Questions & Answers for: Chevrolet Astro throttle body

...Throttle body vacum lines seem to be connected. Checked IAC for ohms 50.1 Could not get the pintle to move inward by hand. Not sure if it should move easy manualy. Any info would help. Thanks I had ...

throttle body,replaced the inline fule filter I,m not sure where to look next its a 4.3 l engine with about 170,000 miles. Thanks for any help Question, did you replace the throttle body, or clean the

...throttle body injection (Z vin code). It starts right up and idles perfectly but when it comes up to temp it will die at idle and will not start until it cools down. It then starts right up and ...

throttle body blade on the 4.3 a few years back for the throttle body to stick in the close position. Yours being 9 years old makes me think that there not going to do anything for it but give you the

...throttle body, but will not feed it. Van will start if bottle fed You might check the fuel pressure regulator to make sure it is allowing fuel to reach the two throttle body injectors and not just ...

...throttle body injectors 1990 Chevrolet Astro, starts hard, runs rough, and has a buzzing sound from the throttle body injectors. I unplug the injectors and the buzzing stops. While its running it ...

...THROTTLE BODY BUT WE DO NOT SEE FUEL COMING OUT OF THE THROTTLE BODY JETS WE TOOK THE THROTTLE BODY OFF OF ANOTHER RUNNING VAN ALL I CAN THINK THAT MIGHT BE WRONG IS THE ELECTRICAL TO THE THROTTLE ...

code 121 throttle control sensor switch( a ) circuit malf. where is this switch? thanks it is located on the throttle body.check your wiring to the sensor.5 volts and ground.had wiring problems.

...throttle body to control idle speed. When the A/C is turned on, the ECM sees the request and moves the IAC pintle to allow for a slightly higher idle due to the load of the A/C compressor. There is a ...

...throttle body. Take a can of carb cleaner(make sure you don't have plug wires breaking down) spray under throttle body if it changes the way the engine runs you found it. Egr and pcv are other less ...