Question about 2004 GMC Envoy
Auto window switch on drivers side will not work all others on vehicle ok
Posted by Anonymous on
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Posted on Jan 02, 2017
SOURCE: the auto headlights on my
Relay #46 in the underhood fuse panel is probably bad. You can verify this by swapping it with relay #45. Also, sometimes the relay contacts become corroded, check these when you have the relay out.
Posted on Feb 03, 2011
SOURCE: 2000 gmc jimmy -4x4 stuck
4wd switch is a push button select, they are known to go bad on occasion. Take switch out of dash is not fun, would suggest taking it to a dealer.
Window motors can be replaced without extensive tools or knowledge. It takes more time to get the door panel off than replace the motor.
Yes, bad wheel bearings will cause aligment problems. They can be replaced at home, you will need to remove the wheel, brake assembly, brake mounting bracket, then the wheel bearing (hub) itself. Does require an 18mm wrench and socket (not common in your tool kit) and a 31mm (Ibelieve) socket for the nut on the end of the drive axle. Impact wrench recommended to remove that nut.
Reverse for assembly. Then have your wheels aligned. Best to replace both sides, (they are a different part # for driver and passenger side) They usually only last 60K to 100K miles.
As for your code, surf to this site for details:
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Posted on Jun 11, 2011
SOURCE: My 2004 GMC Envoy has
Hello there,. Below is the detailed information which you asked for. Manifold Absolute Pressure/Barometric Pressure Circuit Range/Performance
Problem Coolant Thermostat (Coolant Temperature Below Thermostat Regulating
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P0106 - MAP/Barometric Pressure Circuit Range/Performance ProblemOBD-II Trouble Code Technical Description
What does that mean? The Powertrain Control Module (PCM) uses the Manifold Absolute Pressure Sensor (MAP) to monitor engine load. (NOTE: Some vehicles have a Barometric Pressure (BARO) sensor that is integral to the Mass Air Flow (MAF) sensor and do not have a MAP sensor. Other vehicles have a MAF/BARO and a redundant MAP sensor where the MAP sensor functions as a backup input in case of MAF failure.) The PCM supplies a 5 Volt reference signal to the MAP sensor. Usually the PCM also supplies a ground circuit to the MAP sensor as well. As the manifold pressure changes with load, the MAP sensor input informs the PCM. At idle the voltage should be 1 to 1.5 Volts and approximately 4.5 Volts at Wide Open Throttle (WOT). The PCM looks for any change in manifold pressure to be preceded by a change in engine load in the form of changes in throttle angle, engine speed, or Exhaust Gas Recirculation (EGR) flow. If the PCM doesn't see any of these factors change while detecting a rapid change in MAP value, it will set a P0106.
Causes A P0106 could be caused by:
If the MAP reading doesn't change perform the following:
P0128 OBD-II Trouble Code Technical Description
What does that mean? This means that the engine's PCM detected that the engine has not reached the required temperature level within a specified amount of time after starting the engine. The intent of the P0128 code is to indicate a faulty thermostat. Similar codes: P0125
In determining the engine did not reach a "normal" temperature, it takes into account the length of time the vehicle has been running, the intake air temperature (IAT) sensor reading, the engine coolant temperature (ECT) sensor reading, and the speed of the vehicle.
Causes A code P0128 may mean that one or more of the following has happened:
Manifold Absolute Pressure/Barometric Pressure Circuit Range/Performance
Coolant Thermostat (Coolant Temperature Below Thermostat Regulating
Posted on Sep 24, 2011
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