99 jimmy idles fast

ksalyers · #1 03-10-2004, 11:19 AM

Please help! I have a 99 jimmy sle with 4.3 I can start it up it will idle around 13 rpm in park. When I drive it I don't need to push on the gas, because it will pick up speed and and shift by itself. I guess this is kinda like autopilot in a way.

riptreeper · #2 03-10-2004, 11:20 AM

sounds like you may have a problem with the gas pedal or with the fuel injection system

ksalyers · #3 03-10-2004, 11:50 AM

do you know what all in the injection system could cause this??? I put a new tps sensor on it and it did not help.

riptreeper · #4 03-10-2004, 11:57 AM

no i dont but you should have a mechanic check it out

ksalyers · #5 03-16-2004, 12:10 PM

I got it fixed. The throttle body had a sensor on the back of it that was bad

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