Where is the throttle body located on a 2005 Chevy Trailblazer?
Where is the throttle body located on a 2005 Chevy Trailblazer?
This is located on the front corner of the resonator near the battery. Just pull it off. Step 3: Remove the screws form the airbox. The one in the front corner is kinda tricky but a long screwdriver and a flashlight will make it easy.
Is the Chevy Trailblazer’s electronic throttle body OK?
If your 2002-2005 4.2L Chevy TrailBlazer or GMC Envoy’s electronic throttle body passed TEST 1 and TEST 2, then you can conclude that the electronic throttle body is OK and not defective. CASE 2: The multimeter DID NOT register continuity. This lets you know that the TAC motor is defective. You’ll need to replace the throttle actuator assembly.
How to test the electronic throttle body on a GMC Envoy?
This tutorial will explain how to test the electronic throttle body on the 2002-2007 4.2L Chevrolet TrailBlazer and GMC Envoy. You’ll be able to find out if TPS 1 or TPS 2 is defective or not. We’ll also test the throttle actuator motor.
What are the results of the electronic throttle body test?
Let’s examine your test results: CASE 1: The multimeter registered continuity between terminal E and F. This is the correct test result. If your 2002-2005 4.2L Chevy TrailBlazer or GMC Envoy’s electronic throttle body passed TEST 1 and TEST 2, then you can conclude that the electronic throttle body is OK and not defective.
What is Terminal B on a Chevy Trailblazer?
Terminal B is the one that receives 5 Volts DC from your Chevy TrailBlazer or GMC Envoy’s fuel injection computer. Terminal D is the terminal that sends the TPS 2 signal to the fuel injection computer.
How to do throttle body re-Learn Chevy Malibu?
1) Start the engine and let it idle in park for 3 minutes. During that period the idle may be higher idle than normal. 2) After 3 minutes, turn the engine off and leave it off for 60- seconds. 3) Start the engine again and let it idle in park for 3 minutes one more time. During these run periods you may see a check engine light.
Is there a way to reset the throttle body?
This method is almost foolproof as long as all ECU control parameters are within their normal ranges. Resetting The Throttle Body Calibration (this step is conditional) A Rough Idle or a SES can sometimes be caused by a change in the throttle body position sensor calibration.
How does a GM throttle body relearn procedure?
A motor and gear reduction set inside the throttle body opens and closes the throttle plate to accomplish your request. Over time, carbon buildup can accumulate around the throttle plate, changing it’s “home” position. If the buildup occurs gradually, the PCM “learns” the new home position.
How to change the accelerator pedal release position?
Accelerator Pedal Release Position Learning Procedure. Make sure that the accelerator pedal is fully released. Turn ignition switch “ON” and wait at least 2 seconds. Turn ignition switch “OFF” wait at least 10 seconds. Turn ignition switch “ON” and wait at least 2 seconds. Turn ignition switch “OFF” wait at least 10 seconds.
