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A check engine light can indicate a broad spectrum of problems with your 2007 Chevrolet HHR. 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. The video above shows how to locate the on board diagnostics (OBD) plug on your 2007 HHR, how to read the trouble codes and how to reset or clear the check engine light using a scanner on your HHR.
Intermittent Check Engine Light: If the check engine light on your 2007 HHR is intermittent, try to take note of the conditions when this happens. For example, does it happen when you accelerating, driving on the highway or does it appear at low speeds? This will help your mechanic evaluate the issue. Steady Check Engine Light: If your check engine light is on every time you operate your HHR, you need to have it checked as soon as possible, especially if you notice performance problems or unusual noises. Flashing Check Engine Light: If your check engine light is flashing, stop driving your HHR and have it towed to your nearest mechanic - you probably have a very serious problem with your car and you risk ruining your engine by driving it. If you are unsure about what your diagnostic trouble codes mean; have your HHR diagnosed by a professional automotive technician.
Leaking coolant is usually a sign that your water pump needs to be replaced. This video shows you how to quickly plug it2007 Chevrolet HHR LT 2.2L 4 Cyl.
If your battery has green or white cruddy deposits, it is probably not getting enough juice from and will likely wear out sooner2007 Chevrolet HHR LT 2.2L 4 Cyl.
Many cars will burn or leak a little bit of oil. Over time, this adds up and you might need to add some - learn how to here!2007 Chevrolet HHR LT 2.2L 4 Cyl.
Odd electrical problems that come out of nowhere can often signify a blown engine fuse - check and change yours here!2007 Chevrolet HHR LT 2.2L 4 Cyl.
Coolant hoses wear out over time and need to be replaced - check 'em early and often2007 Chevrolet HHR LT 2.2L 4 Cyl.
Avoid tickets and accidents with both working headlights! New bulbs are much brighter too2007 Chevrolet HHR LT 2.2L 4 Cyl.