2002 GMC Envoy "sensors" Questions

where is the throttle position sensor on my 2004 4.2 S&T Series Blazer, Bravada, Envoy, Jimmy, Rainier, Trailblazer, XtremeThrottle Position Sensor (TPS)REMOVAL & INSTALLATION PrintRemoval ...

Trouble locating cooling sensor on 2003 gmc envoy 4.2L EngineTo Remove: Disconnect the negative battery cable from the battery. Drain the coolant from the engine. Disconnect the engine coolant ...

speedometer is reading incorrectly. need to replace the speed sensor on the transmission or some where else. Yes, I would start at the speed sensor on the transmission called the VSS (Vehicle Speed ...

...Now a code indicates possible o2 sensor. What are the possible symptoms of a failing o2 sencor ? O2 sensors indicate unburned oxygen in the exhaust sysytem. Bad O2 sensors causes fuel mixture to run ...

...to the PCM changes accordingly. To check the MAP sensor operation, though, the PCM watches other sensors to verify that the MAP sensor is working properly. For example, the PCM compares the TPS ...

how many 02 sensors does a 2003 GMC Envoy have check engine light is on we have replaced 2 02 sensors like it first told us A "V" configuration engine, (8 or 6), uses two upper oxygen sensors and ...

P0130 P0134 P0130 is the o2 sensor circuit bank1 sensor 1. P0134 is o2 sensor circuit no activety bank1 sensor 1.In other words the o2 sensor on the drivers side before the catalytic converter is bad ...

My 2004 GMC Envoy has two trouble code readings of 106 & 128. But the light will come on for a while then it will stay off for a while. The auto parts compny that should me the readings said it ...

...ambient temp sensor. Thought it was located behind the front bumper but there are 2 identical sensors there and they do not match the replacement sensor I got at GMC dealer. What am I missing? ...

maf and ait sensor on a 05 suburban have 2 codes 102 maf low frequency and ait sensor hight frequency need helpasap? mass air flow sensor may have fuzz on it from the air cleaner,check it out its in ...