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What is p1221 for 2002 gmc envoy?
DTC P1221 code is: Excessive Difference Between Throttle Position Sensors which means there is something wrong with the electronic throttle positioning sensor system, probably needs replaced
Where is the map sensor for 2002 gmc envoy located?
It doesn't have a map (manifold absolute pressure) sensor. It has a maf (mass air flow) sensor and it is located in the air intake snorkel between the air filter box and the throttle body.
Where is the map sensor located in 2005 gmc envoy?
where is the map sensor located on a 2005 gmc envoy
What is ETC system in envoy?
The ETC system in the GMC Envoy is the Electronic Throttle Control. The ETC acts as a throttle pressure gauge when the gas pedal is pushed. It takes the place of the throttle cable. This part is located right next to the carburetor.
Where is the map sensor on a gmc envoy?
Mas air flow sensor
How do you change a fuel level sensor on a gmc envoy?
fuel level sensor
How do you change a mass air flow sensor in a 2004 gmc envoy?
To change the mass air flow (MAF) sensor on a 2004 GMC Envoy, first ensure the engine is off and disconnect the negative battery cable. Locate the MAF sensor, which is typically found between the air filter and the throttle body, and unplug the electrical connector. Remove the screws or clamps securing the sensor, then carefully pull it out and replace it with the new sensor. Reconnect the electrical connector, secure everything back in place, and reconnect the battery.
Where is the pedal position sensor on a 2005 envoy?
The pedal position sensor on a 2005 GMC Envoy is typically located on the accelerator pedal assembly, which is situated on the driver's side, near the floor. It is mounted directly on or near the throttle pedal and is connected to the vehicle's engine control module (ECM) to monitor the position of the accelerator pedal. To access it, you may need to remove some trim or covers from the footwell area.
Where is the temperature sensor located on a 2002 GMC Envoy?
The ambient temperature sensor is located behind the front grill.
What is a throttle body on a 2004 envoy?
Envoy throttle body is like the carburetor on earlier cars except it does not supply fuel to the engine. Fuel is delivered by the fuel injectors at each cylinder. It's only function is to supply a regulated amount of air to the engine with a motor driven flapper valve. It is mounted to the plastic intake manifold on the drivers side of the engine. It is only 1 part of the fuel control system. The TB also supplies feed back to the (PCM) powertrain control module (the computer). It has the (TPS) throttle position sensor built into the unit also. When your press on the gas pedal there is no mechanical connections to the throttle body like some earlier vehicles with carburetors. The (APP) accelerator pedal position sensor is connected the gas pedal and lets the PCM and throttle body know how much gas and air to supply to the engine. When my throttle body died it threw a code P1515.
Where is the oxygen sensor 2003 gmc envoy?
My car when slow stop engine
Where is the coolant temp sensor for a 2004 gmc envoy?
It is on the drivers side of the block.
