Hhr Engine Problems

I'm sure that my car could duplicate the Cobalt SS time of 8:22 with no problem at all. Engine is sputtering Inspection Service In almost all cases, a sputtering engine is trying to tell you that there is a deeper problem that requires immediate attention. Free shipping in continental U. Start by checking for intake leaks, intake gaskets are a common caused of multi-cylinder misfiring. The failure mileage was 128,000. Table 1 shows the 28 most common engine and engine cooling problems. We've worked hard over 11 years designing a website experience that makes it easy for anyone to idenify whether parts fit their car. A smooth-riding wagonette, the HHR (for Heritage High Roof) is an example of retro design that both looks good and works well in utilitarian terms: the boxy shape makes it roomy inside. You should reset the engine light on an Chevy HHR only after the reason why the engine light came on in the first place has been diagnosed and, if necessary, repaired. Im wondering which O2 sensor(s). 2-liter four-cylinder engine, with a 2. I explain what the most common problem and fix to your 2. Buy your used Chevrolet HHR motors/engines from us and save time and money. Car problem(s) with the 2006 CHEVROLET HHR. There are other cases of this on the net. I'm replacing the timing chain on this HHR. Problems/Service/Repairs - If you have a problem with your HHR, want a tip on repairing or performing a particular service to you HHR here is the place to post!. There is a fuse panel on top, but it is doable. 4 liter engines with 4 and 5 speed transmission. However Cliff Lasater has spent the past three years correcting GM's mistake. Looking for some insight on my neighbors HHR. 2010 Chevy HHR ticking noise from engine. Engines & Components for Chevrolet HHR; Complete Engines for Chevrolet HHR; Belts, Pulleys & Brackets for Chevrolet HHR; Engine Block Parts for Chevrolet HHR; Camshafts, Lifters & Parts for Chevrolet HHR; Crankshafts & Parts for Chevrolet HHR; Cylinder Heads & Parts for Chevrolet HHR; Engine Bearings for Chevrolet HHR; Engine Rebuilding Kits. It sounds like when there was a rocker knocking in my old Caballero. A smooth-riding wagonette, the HHR (for Heritage High Roof) is an example of retro design that both looks good and works well in utilitarian terms: the boxy shape makes it roomy inside. The Chevrolet HHR 2006 service manual contains hundreds of pages in pdf format to help you to solve your problem imediatly. From rear spoilers to exhaust assemblies, HollanderParts. HHR P0300 OBDII Code Symptoms. Common Chevy HHR Transmission Problems. Tap the to learn more about the most common Chevrolet HHR problems. The 2008 Chevrolet HHR SS Turbocharged debut with a 2. Find car prices, photos, and more. When your car's 'Chevrolet HHR P0974 Check Engine' light comes on, it's usually accompanied by a sinking feeling in the pit of your stomach. I thought nothing of it at that time and went about my day. I once saw 150 indicated on my Honda, but a stock HHR does that. Also, see repair breakdown by year, problem area, and repair cost. Bring on all the Jap crap and German overengineered, overweight stuff. Locate car dealers and find your car at Autotrader!. Your Chevrolet HHR is a perfect balance of retro and modern style to create a unique compact wagon with a smooth, quiet ride. There are 70 reviews for the 2006 Chevrolet HHR, click through to see what your fellow consumers are saying Consumer Reviews. The standard engine in the 2009 Chevrolet HHR receives variable valve timing in the 2. Chevy HHR complaints have been filed with the NHTSA by vehicle owners, who say they incurred high costs repairing. The light could mean a costly problem, like a bad catalytic converter, or it could be something minor, like a loose gas cap. The vehicle may produce excess vibration, espescially at lower RPM. Problem – On some vehicles, the gear selector may become inoperable. 2008 HHR Cruise control quit working & check engine light came on. So before replacing your engine parts, try Carbon Cleaning. Every buyer must check Chevrolet HHR car history before getting a car loan or credit. Launched in 2005, the Chevrolet HHR was inspired by 1940s-era Chevy automobile design and was produced through the 2011 model year. 0L four-cylinder is standard on the SS trim. that your vehicle needs to operate correctly. Took it to shop & they reset the ECM which solved the problem for the 1ST time the engine was started. Chevy HHR complaints have been filed with the NHTSA by vehicle owners, who say they incurred high costs repairing. engine noise 4 Answers. The 2008 Chevy HHR offers sport utility seating and cargo carrying capability on a small-car platform. Limited Lifetime Warranty w/ Core Exchange. The HHR is derived from Chevrolet's small Cobalt sedan and plays off of 1950s "chop top" nostalgia. apparently his HHR has an auto dimmer function for the dash lights. When the Chevy HHR debuted in 2006 you could only get them FWD and with a inline-four. We've worked hard over 11 years designing a website experience that makes it easy for anyone to idenify whether parts fit their car. It is worth noting that this engine uses a timing chain instead of the now traditional composite material belt. The HHR also boasts decent EPA estimates in the 22 City/30 Highway range. Chevrolet HHR owners have reported 178 engine and engine cooling related problems since 1996. The most recently reported issues are listed below. Engine is sputtering Inspection Service In almost all cases, a sputtering engine is trying to tell you that there is a deeper problem that requires immediate attention. In this HOT ROD tech article we hop up the 2. Someone there should be able to help you with this! I would try and answer but I have the HHR SS so it's a different engine so I am not sure if it's in the same place. Get your vehicle running with durable Chevrolet HHR Car and Truck Batteries auto batteries from Batteries Plus Bulbs. I have a 2007 Chevy hhr the engine is shaking and making a loud noise. I didn't have anymore problems starting the car the rest of the day. Buy replacement parts for 2007 Chevrolet (Chevy) HHR at Go-Parts. As well as the Pontiac G5 and G6. The worst complaints are check engine light on, power reduced light came on, and when driving over potholes car stalls out. List of 2009 CHEVROLET HHR Factory Technical Service Bulletin - TSB | AutoCodes. Call us now so we can help you!. In its first year of sale, the HHR came powered in its base form by a 143 horsepower 2. the engine reduce power waraning is the key to the other problems. 4L then I could clue you in on what the problem is!. The problem I am going to talk about today is a check engine light and misfire codes. It is possible to get market price of new or used Chevrolet HHR by VIN number. This system basically includes all sensors, solenoids, valves, actuators etc. The 2008 Chevrolet HHR SS Turbocharged debut with a 2. This database includes information received by NHTSA from consumers either directly or as recorded by the Vehicle Safety Hotline. 2008 Chevrolet Hhr. Whether you're going for aesthetic appeal or trying to remedy engine problems, you can compare parts from distributors nationwide in seconds. 4 Liter four cylinder engine delivers a very respectable 172 horsepower with 162 foot pounds of torque. Other issues include failure of the engine to crank, leaking coolant, loose brakes and heating issues. Your Chevrolet HHR is a perfect balance of retro and modern style to create a unique compact wagon with a smooth, quiet ride. The Chevrolet HHR clunking noise when going over bumps problem could be caused by axle bushings, your strut, or your front stabilizer shaft becoming loose and requiring replacement. Chevrolet HHR owners have reported 20 problems related to check engine light on (under the engine and engine cooling category). How to Reset Oil life on 2005-2011 Chevy HHR - The Chevrolet HHR (Heritage High Roof) is a front wheel drive passenger car model of the American car manufacturer General Motors. This database includes information received by NHTSA from consumers either directly or as recorded by the Vehicle Safety Hotline. Extremely low oil levels can critically damage your 2007 Chevrolet HHR LT 2. Charging system not working. See real-world Chevrolet HHR problems as described by other Chevrolet HHR owners. com belt problems: difficulty latching and unlatching buckle. all of a sudden the reduced power on what do i do? my 06 chevy hhr check engine light comes on and it reads engine power reduced why is 2006 HHR LS Engine stops, car goes dead. Why Not to Buy a Chevrolet HHR Car and More, FYI and car review with Scotty Kilmer. Gift Certificates. The Chevrolet HHR 2006 service manual contains hundreds of pages in pdf format to help you to solve your problem imediatly. 4L Ecotec four-cylinder engine is available on the LS and LT trims, while a sporty turbocharged 2. The 2007 Chevy HHR offers sport utility seating and cargo carrying capability on a small-car platform. The failure was recurring. Your Chevrolet HHR is a perfect balance of retro and modern style to create a unique compact wagon with a smooth, quiet ride. 4-liter version available on higher trim levels that rates in 172. If your Check Engine Light ever starts flashing, that means that the problem needs immediate attention and the vehicle should be taken in right away. Find 2010 Chevrolet HHR for Sale. I thought nothing of it at that time and went about my day. There are other cases of this on the net. If this is done, it can help you learn. There is a thread on the forum regarding a "brief rattle noise on startup " on ecotec engines. The engine is unrefined and the transmission. Chevy HHR 2006, Engine Mount Bracket by Genuine®. I thought nothing of it at that time and went about my day. The vehicle itself may begin to run rough. The HHR has a good engine; however, the battery is tricky to get to. 4L Greetings everyone, I'll try to make this as easy a explanation as possible. Calculate 2009 Chevrolet HHR Monthly Payment Calculate 2009 Chevrolet HHR Monthly Lease Payment Which Cars You Can Afford? J. While these engines were based on the GM Family II engine, the architecture was substantially re-engineered for the new Ecotec application produced since 2000. For $23,000 new, out the door, the HHR rules. One drawback of that styling is the small and short windows, which inhibit the view out. 2008 Chevy HHR Engine Light. I see the previous. A smooth-riding wagonette, the HHR (for Heritage High Roof) is an example of retro design that both looks good and works well in utilitarian terms: the boxy shape makes it roomy inside. $1,414 I would have no problems or worries. I once saw 150 indicated on my Honda, but a stock HHR does that. Can you held me please?. Table 1 shows the 28 most common engine and engine cooling problems. The HHR was considered a compact car and it came configured as a 5-door wagon with a 2. Limited Lifetime Warranty w/ Core Exchange. While these engines were based on the GM Family II engine, the architecture was substantially re-engineered for the new Ecotec application produced since 2000. This light informs the operator when there is a problem anywhere in the vehicles Electronic Engine Control System. buckle release. Launched in 2005, the Chevrolet HHR was inspired by 1940s-era Chevy automobile design and was produced through the 2011 model year. Free shipping in continental U. The problem may involve an annoying change (up/down) of engine speed while cruising at a steady pace, a low drop (or even cut-out) at idle or when approaching a stop, a wild high engine speed of several thousand rpm followed by a drop to near zero, etc. The GM Ecotec engine, also known by its codename L850, is a family of all-aluminium inline-four engines, displacing between 1. If you're seeing white smoke coming out of your tailpipe or a bubbling substance in your radiator, a failing cylinder head may be to blame. apparently his HHR has an auto dimmer function for the dash lights. Built with varying-sized inline-four engines, the Chevy HHR was Chevrolet's answer to Chrysler's PT Cruiser. There are multiple symptoms of a bad timing chain, but none of them is as obvious as a rattling that can be heard from the front of the engine, especially while the car is idling. Whether you're going for aesthetic appeal or trying to remedy engine problems, you can compare parts from distributors nationwide in seconds. that your vehicle needs to operate correctly. If you do not have an account but would like to check the status of an order, request a change, or report a problem with an order or shipment, please go to our Order Status & Returns page. I just recently got an oil change on my 2010 Chevy HHR. Usually only effects at idle. The ‘06 HHR went on sale in July of ‘05, and about 10,000 left dealerships every month through the end of 2007 - then, it seems, GM ran out of. We have 15 Chevrolet HHR SS vehicles for sale that are reported accident free, 2 1-Owner cars, and 17 personal use cars. 4L and power raised to 128kW. For questions about the TrueCar Auto Buying Service please call 1-888-878-3227. An engine running out of gas will definitely sputter but if the gas gauge indicates full, the problem lies deeper inside the engine compartment. and the scaner show code P0300,I changed spark plus and erase computer, but after a few miles the code come back again. Mirrors 117. Find car prices, photos, and more. ChiltonDIY online HHR repair manuals cover automotive service and repairs, from diagnostic trouble codes and probable causes, electronic engine controls, and maintenance schedules, to brake and suspension issues, wiring diagrams and engine repairs, tune-up procedures, specifications, clutch and gearbox diagrams, and more. OBD-II (Check Engine Light) Trouble Codes. I once saw 150 indicated on my Honda, but a stock HHR does that. using stop leak. Best Answer: If you could explain your driveability concern a little more than just "started to act up" and provide the complete vehicle information HHR? (LS, LT, SS) and the engine option 2. working on a 2007 chevy HHR 2. Some times it is severe enough to cause damage to the valve seat. Research the latest Chevrolet HHR body styles, read detailed model specifications and features, compare with other models, and locate Chevrolet dealerships near you where you can purchase your next vehicle. Securing a motor not only fastens an engine, but aligns it, meaning that the engine's height is ensured to be equal on all sides. Head gaskets, cylinder heads, and pistons are standard parts that are included with basic Chevrolet HHR motors. Its a timing chain tensioner issue. Certified Dealers are contractually obligated by TrueCar to meet certain customer service requirements and complete the TrueCar Dealer Certification Program. The vehicle was not repaired. When the Chevy HHR debuted in 2006 you could only get them FWD and with a inline-four. Someone there should be able to help you with this! I would try and answer but I have the HHR SS so it's a different engine so I am not sure if it's in the same place. See our lemon odds and nada odds page to see vehicles with no repairs or vehicles with more than three repairs. We've worked hard over 11 years designing a website experience that makes it easy for anyone to idenify whether parts fit their car. Search by make for fuel efficient new and used cars and trucks. Last week I went to start my HHR and it took a good 10 seconds for the car to turn over. Welcome to the Chevy HHR Network. I have a 2007 Chevy hhr the engine is shaking and making a loud noise. Can you held me please?. I have a Chevy HHR 2006 and it has developed a HEAVY knock. Lately ( last 3 weeks) I start the vehicle but my radio while displaying correctly has lost it's station. If the car runs OK, then. The 2011 Chevrolet HHR's performance isn't up to class standards. The engine is unrefined and the transmission. Slipping in forward or reverse gears Problem – The vehicle may slip in-and-out of forward or reverse gears. I explain what the most common problem and fix to your 2. Call (888) 360-1656 for more information. A check engine light can indicate a broad spectrum of problems with your 2007 Chevrolet HHR. Don't hesitate to visit Firestone Complete Auto Care at the first sign of engine problems. 2006 Chevrolet HHR. This is the website for EricTheCarGuy! Here you will find answers to your automotive problems. Chevy HHR Engines. The problem I am going to talk about today is a check engine light and misfire codes. 2011 Chevrolet HHR engine problems with 39 complaints from HHR owners. Check the carfax, find a low miles HHR, view HHR photos and interior/exterior features. 2008: Chevrolet HHR SS Turbocharged. You should reset the engine light on an Chevy HHR only after the reason why the engine light came on in the first place has been diagnosed and, if necessary, repaired. Again, there may be noises emitting from the engine that do not sound quite right. I have a clunk noise in the front end of my HHR. The most recently reported issues are listed below. Bring on all the Jap crap and German overengineered, overweight stuff. The GM Ecotec engine, also known by its codename L850, is a family of all-aluminium inline-four engines, displacing between 1. Description: How does a P0300 code trigger the check engine light? This code will trigger the check engine light as follows: The misfire detection monitor, a software strategy built into the computer, is designed to detect an engine misfire. If the steering wheel is tightening it is because the system is failing. 12-10-2009, 10:46 AM 2007 HHR Engine Issues. Do a compression check on all cylinders. Why Not to Buy a Chevrolet HHR Car and More, FYI and car review with Scotty Kilmer. The worst complaints are check engine light on, power reduced light came on, and when driving over potholes car stalls out. I see the previous. It depends on how serious the misfire is. Car problem(s) with the 2006 CHEVROLET HHR. Every buyer must check Chevrolet HHR car history before getting a car loan or credit. while driving he says his dash lights go from bright to dim on their own. Find the best Chevrolet HHR for sale near you. The number one most common problem is related to the vehicle's engine and engine cooling (72 problems). If you do not have an account but would like to check the status of an order, request a change, or report a problem with an order or shipment, please go to our Order Status & Returns page. the engine reduce power waraning is the key to the other problems. Find the best Chevrolet HHR SS for sale near you. Find all the latest facts, figures and Chevrolet HHR specs based on year, make and. There are other cases of this on the net. When your car begins to leak coolant the first indicator is the engine will start run hot and possibly overheat. Description: Used 2006 Chevrolet HHR LT with Upgraded Engine, Rear Bench Seats, Lots of little things, my electrical problems alone have been a total nightmare, the $2K price tag for the AC. this is normally a problem with the electronic throttle system. Engine is sputtering Inspection Service In almost all cases, a sputtering engine is trying to tell you that there is a deeper problem that requires immediate attention. 4L engine upgrade provides 26 more horsepower for $650. Chevrolet HHR Engine Problems. If you're experiencing engine noise, including engine knocking, tapping or clicking, or engine stalls, bring your car in and one of our Firestone Tire and Auto Service Professionals will determine what's going on under the hood. that your vehicle needs to operate correctly. This is the 4 cylinder. Chevrolet HHR Body Kits are considered one of the most effective ways to modify the look of your vehicle. 4-liter version available on higher trim levels that rates in 172. When the Chevy HHR debuted in 2006 you could only get them FWD and with a inline-four. The tensor in the engine also suffers from damage sometimes, and the cylinders may not fire as they are supposed to, resulting in decreased engine efficiency. All of Chilton's online content for the 2008 Chevrolet HHR is updated monthly, so you'll have the most recent information on hand for any Do-It-Yourself project. 2008 Chevrolet Hhr. Chevrolet HHR owners have reported 178 engine and engine cooling related problems since 1996. 2006 Chevrolet HHR. $1,414 I would have no problems or worries. Chevrolet HHR review. After about a week of being on the light disappered before I could fix the problem. In some cases you need to pull over immediately to prevent damage while in others you merely need to tighten you gas cap next time you stop in order to reset the service engine soon light. Mostly on model years 2005 through 2009. Every used car for sale comes with a free CARFAX Report. There is a thread on the forum regarding a "brief rattle noise on startup " on ecotec engines. There are 70 reviews for the 2006 Chevrolet HHR, click through to see what your fellow consumers are saying Consumer Reviews. while driving he says his dash lights go from bright to dim on their own. With the Stage 1 kit, I'm told my HHR will do 160. Start by checking for intake leaks, intake gaskets are a common caused of multi-cylinder misfiring. Check out some HHR forums. Used Chevrolet HHR for Sale on carmax. A dirty engine as the result of carbon deposits is the new threat to vehicle performance. I have a Chevy HHR 2006 and it has developed a HEAVY knock. Common Chevy HHR Transmission Problems. 308 horsepower with available 3. As well as the Pontiac G5 and G6. The contact owns a 2009 Chevrolet HHR. If the steering wheel is tightening it is because the system is failing. Buy a 2008 Chevrolet HHR Spark Plug at discount prices. In some cases you need to pull over immediately to prevent damage while in others you merely need to tighten you gas cap next time you stop in order to reset the service engine soon light. Well if it were me driving the car I would say that is the problem. turning off the engine. Can you held me please?. The Chevrolet HHR 2006 service manual contains hundreds of pages in pdf format to help you to solve your problem imediatly. OBD-II (Check Engine Light) Trouble Codes. The P0300 Chevy trouble code will trigger the HHR's service engine soon light. The service people drove car and checked the brakes, wheels & tires. One drawback of that styling is the small and short windows, which inhibit the view out. It is a hatchback which makes it very easy to go grocery shopping. Get your vehicle running with durable Chevrolet HHR Car and Truck Batteries auto batteries from Batteries Plus Bulbs. Mostly on model years 2005 through 2009. Includes all motor sizes. There are 70 reviews for the 2006 Chevrolet HHR, click through to see what your fellow consumers are saying Consumer Reviews. The Chevrolet HHR was a 4 door passenger wagon, equipped with 5 seats and significant storage capability. Also, see repair breakdown by year, problem area, and repair cost. The 4 cyl has problems with carbon getting on the valves. The problem I am going to talk about today is a check engine light and misfire codes. Charging system not working. Find Chevrolet HHR for Sale. Some have thought it was oil filter related. 2008 HHR Cruise control quit working & check engine light came on. 4L Greetings everyone, I'll try to make this as easy a explanation as possible. We've got over 1,669 Chevrolet HHR parts to choose from in popular categories like Electronics & Navigation, Tools, Fluids & Garage and Cooling & Heating parts. Every buyer must check Chevrolet HHR car history before getting a car loan or credit. The problem may involve an annoying change (up/down) of engine speed while cruising at a steady pace, a low drop (or even cut-out) at idle or when approaching a stop, a wild high engine speed of several thousand rpm followed by a drop to near zero, etc. Now my car's gas milage is terrible. This is the 4 cylinder. Otherwise, damage can occur to other components depending on what the code from the trouble light indicates. Locate car dealers and find your car at Autotrader!. The A/C is not working because you have a P0128 DTC (diagnostic trouble code) stored in the PCM memory, and will not command the compressor clutch on! The problem is a common one, You need to replace the engine thermostat and clear the codes!. Chevrolet Hhr recalls and complaints can be searched here. On the 2nd time it was started. It depends on how serious the misfire is. Got a 2008 HHR with a unique issue regarding the radio. If you do not have an account but would like to check the status of an order, request a change, or report a problem with an order or shipment, please go to our Order Status & Returns page. Get in-depth info on the 2011 Chevrolet HHR model year including prices, specs, reviews, pictures, safety and reliability ratings. A new engine cylinder head for Chevy HHR from AutoZone effectively fixes these problems without breaking your budget. P0300 CHEVROLET Tech Notes The P0300 code means that a cylinder(s) is misfiring or is randomly misfiring. 2011 Chevrolet HHR engine problems with 39 complaints from HHR owners. using stop leak. Otherwise, damage can occur to other components depending on what the code from the trouble light indicates. 2008 Chevy HHR Engine Light. The TSB summary will display the defective part and the manufacturers involved. and the scaner show code P0300,I changed spark plus and erase computer, but after a few miles the code come back again. Shop millions of cars from over 21,000 dealers and find the perfect car. Call us now so we can help you!. The most recently reported issues are listed below. The 2008 Chevy HHR offers sport utility seating and cargo carrying capability on a small-car platform. Check engine lights go on when there is a problem in the engine or the emissions control system. Ask a new Chevrolet HHR question. There is a thread on the forum regarding a "brief rattle noise on startup " on ecotec engines. We've got over 1,669 Chevrolet HHR parts to choose from in popular categories like Electronics & Navigation, Tools, Fluids & Garage and Cooling & Heating parts. Buy a 2008 Chevrolet HHR Spark Plug at discount prices. It is possible to get market price of new or used Chevrolet HHR by VIN number. 2010 Chevy HHR ticking noise from engine. Research the latest Chevrolet HHR body styles, read detailed model specifications and features, compare with other models, and locate Chevrolet dealerships near you where you can purchase your next vehicle. This information may be used by NHTSA during the investigation process. 0L 4cyl Turbo 5M) Review I have had 5 HHR's since 2006 (love the car), two turbos out of the 5. P0455 code will typically not be accompanied by any noticeable symptoms other than the smell of gas and the service engine soon light. We have been seeing quite a few problems with the GM 2. 2006-2011 Chevy HHR Accessories Store. 2008 Chevrolet Hhr. I'm sure that my car could duplicate the Cobalt SS time of 8:22 with no problem at all. Find local 2009 Chevrolet HHR prices online. apparently his HHR has an auto dimmer function for the dash lights. As well as the Pontiac G5 and G6. all of a sudden the reduced power on what do i do? my 06 chevy hhr check engine light comes on and it reads engine power reduced why is 2006 HHR LS Engine stops, car goes dead. Like any automobile on the road today, the HHR will continue to give great performance and run smoothly when original equipment manufactured (OEM) parts are used when a repair is needed. 2010 Chevy HHR ticking noise from engine. The failure was recurring. 2 ecotec misfiring, random misfire, or P0300, P030X code could be. Call (877) 321-PART today for cheap/discount prices!. Choose top quality brands AC Delco, Autolite, Bosch, Champion, Denso, E3 Spark Plugs, NGK. The weight of passengers, cargo and options or accessories may reduce the amount you can tow. The contact stated that the engine was turned on to allow the vehicle to warm up and after approximately 5 minutes, the vehicle stalled. The number one most common problem is related to the vehicle's engine and engine cooling (72 problems). Check out some HHR forums. Chevrolet HHR review. Just plur your Chevy HHR and Year into the Year Make Model selector above and when you search for a Engine Control Module Auto Parts Warehouse will only show you parts that fit your vehicle. The mpg is the second issue and may be related. I'm sure that my car could duplicate the Cobalt SS time of 8:22 with no problem at all. Table 1 shows the 28 most common engine and engine cooling problems. 2 ecotec misfiring, random misfire, or P0300, P030X code could be. HHR - Chvey HHR O2 Sensor Problems - I currently own a 2007 Chevy HHR LS. Took it to shop & they reset the ECM which solved the problem for the 1ST time the engine was started. The first model had a 2. Other issues include failure of the engine to crank, leaking coolant, loose brakes and heating issues. How to Use This Manual Many people read the owner manual from beginning to end when they first receive their new vehicle. B-12 to the engine oil and if the problem is related to a gummy lash adjuster those products could possibly clear it up. Finding your own engine should be simple and easy. 2011 Chevrolet HHR Overview. Probably even go faster.