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12-10-2011, 11:26 PM #1
93 s10 no high idle when its cold outside
93 s10 2.8 5 spd. now that its cold outside my truck does not want to high idle and keeps stalling out. but after i get going it bucks and hesitates for about a block or so than runs fine. any ideas?
01-24-2012, 05:43 PM #2
If you don't have a high idle when you start it, I'd take a look at the IAC pintle and the passages in the TBI. Unscrew the IAC (idle air control) and clean the pintle with carb and choke cleaner. Also, spray some down into the hole while you have it out and see what happens. You also might want to scan the computer and see if the IAT sensor and the Coolant Sensor are reading correctly. They should read the same on a cold engine before startup.
Good Luck and God Bless
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