car starts but you have to pump the pedal to keep it running, cold or hot on 1990 Chevrolet Lumina APV

it has [ TBI ] and happens every time. 3.1 V6

by in Brookville, OH on September 03, 2010
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2 answers 1 comment
ANSWER by , September 03, 2010
Sounds like a bad IAC (Idle Air Control) motor. It is on the side of the TBI housing.
COMMENT by , September 03, 2010
Will give this a try and let u know if it works Thanks for info 09/15/10 . installed new IAC. Still have same problem.
ANSWER by , September 11, 2010
I have had same problem with my 90 apv cargo van. Intermittent, dont happen every time, especially when I take it to dealer for service.