IDLE IS AT 1300 WHEN START UP WHEN DRIVING I CAN...

1995 Chevrolet Silverado

Tiny

Anonymous

February, 1, 2013 AT 1:35 AM

Idle is at 1300 when start up, when driving I can put truck in neutral and it will hold an idle of about 1800, have replaced the IAC valve and the TPS could something be sending a false signel to the IAC to keep it reving so high, also had code 35 which I have cleared.

1 Answer

Tiny

ASEMaster6371

February, 1, 2013 AT 1:40 AM

Clearing codes does nothing as the problem is still there.

Check for the base gasket leaking vacuum. Common issue.

Did you clean all passages in the iac motor?

Roy

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