Question about 2003 GMC Envoy
TAKE AND DISCONNECT BOTH BATTERY CABLES FROM THE BATTERY AND PUT THEM TOGETHER FOR TEN MINUTES HOLD THEM TOGETHER OR USE A JUMPER WIRE
Posted on Oct 13, 2010
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Posted on Jan 02, 2017
That code represents a lower than expected reading for temperature (coolant). First thing to do is check your coolant level, as if it is low, then the sensor can not read correctly. Second, you may have a thermostat that is stuck open, allowing the coolant to cool off too much. The sensor should be mounted on top of the engine, near the thermostat housing.
Posted on May 18, 2008
The service engine light you refer to is telling you you have a problem with the computerrized engine control of the car.When the light comes the computer stores a numerical code that can be retrieved with a scan tool or code reader.If you are not experienced with diagnostics you need to take the car to a mechanic,because sometimes a code can fool you and you can change a good part.An example of this would be reading a code that the oxygen sensor is reading a lean condition setting the light on. but the real issue is a bad fuel pump not supplying enough fuel to the engine. On the code alone you would be inclined to change the sensor when it was not the problem.
Posted on Nov 26, 2008
SOURCE: reset the check engine light
try swiching it off and check that it comes on when you swith the ignition on.Start the car ,and if it stays on it could mean that there is something wrong with one of the engine sensors,so check all the connections.
Posted on Mar 24, 2009
Its not silly.180f degrees is not hot enough, The engine needs to run at 195f, plus the heater isnt going to work very good either. If you want the light out, replace the thermostat. I would advise you to find a repair shop to do it for you. Its not easy.
Posted on Nov 23, 2009
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