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Since the check engine light is on that means that the computer is seeing a problem. I typically start by scanning the computer for codes. This will give me a starting point. From what you are saying it sounds like...
You will need to have the battery and charging system checked for a low voltage of 9 volts or below to the engine control module. The engine code is for low voltage to the module. After the battery low voltage...
If you feel like the vehicle is flooded, try smelling the tailpipe for gas fumes after trying to start the vehicle. You can also try putting the vehicle in "clear flood mode", or "clear out mode" by holding the gas...
A common issue on the Sierra is a failure of the blower motor resistor (https://www.yourmechanic.com/services/cooling-fan-resistor-replacement). This should be checked and replaced if faulty. The ABS Light being on indicates a fault in the ABS system, wheel speed sensors (https://www.yourmechanic.com/services/wheel-speed-sensor-replacement) and...
As you may know, the compression ratio of your engine determines the octane rating of the gas you must use in the car. Higher octane fuel prevents the air-fuel mixture from igniting before the spark plug does it. Firing the...
Hello. Code P0672 is the code for a low circuit on glow plug #2. If you are also having an issue with the cylinder 8 glow plug, then both of these issues, together, could be a potential cause for hard...
Hi there, thanks for writing in. In most cases the screeching sound that is made upon start up is an indicator of a loose belt; either serpentine or drive belt. The belt maintains tension when the tensioner pulley (https://www.yourmechanic.com/article/symptoms-of-a-bad-or-failing-drive-belt-tensioner) is...
Hi there. Check to see if the fuel that was in the system was old and sitting for a while. If so, I recommend putting in a fuel water evaporator chemical that can be purchased at a local parts store....
Hello. It is not normal for the check engine light to come on after being serviced. Either something was not installed correctly or one of the parts is wrong. It may also be something completely different. I usually start by...
When you want a midsize sedan, you’re looking for something that will offer you the best fuel economy for the size as well as additional safety features that will keep your family safe while you’re driving across town or around...
If If you love to travel, comfort is very important in a vehicle. You want a nice, quiet ride, comfortable seating, and enough room. We have evaluated several used vehicles, and narrowed our favorite road trip vehicles down to the...