Question about Pontiac Cars & Trucks
Hello Mary Roussell,
IF the HIGH IDLE is a new condition (post gasket)
You need to look at all ends of the throttle cable
and make sure the CABLE SHEATH in FULLY
SEATED at the ends... Most likely the end that was
slack where you were working (but ALSO check
inside the firewall (top of the accelerator peddle).
HOWEVER... if the word "STILL"...
As in "STILL... idling to high"... was left out
You are looking at the NOTORIOUS GM
cold IDLE valve** issue... It is famous for making
FI cars with automatic trannys to STALL
Check TECHNICAL SERVICE BULLETINS (39 TSBs)
at BBB Industries website (FREE, registration required).
((contains CRITICAL throttle specifications as well)).
** cold IDLE valve mimics the CHOKE function.
Free wiring diagrams & TSBs
BBB Industries Premium Alternators Starters Power Steering Products
Carnac the Magnificent
Posted on Apr 16, 2017
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Posted on Jan 02, 2017
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