poor idle at start up


Green__machine

15+ Year Member

Joined
Mar 22, 2009
Messages
34
Points
3,101
City
nanaimo,b.c.
Vehicle Year
1992
Transmission
Manual
its a 4l v6 std, and as it says, the truck starts fine everytime but it has a low idle at start up, so low it almost dies and if i give it gas it will die but after i warm it up in about 3-5 min it runs perfectly fine and it seems like nothings wrong with it. i have already checked as much shit as i thought it might be idle control/air intake /fuel/spark. its like it dosent have a cold start anymore. any opinions out there?
 
Is it throwing a code? The temp sensor will cause this problem and sometimes a clogged fuel filter will as well.. Also check the cold start sensor if so equipped. A vacuum leak can do it too...
 
thanks man ill try to give those a go but its weird, it was fine when i shut it off one night then the the next morning it started it
 

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