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Engine \  idle problems

idle problems

Engine Isuzu Tech
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tycox avatar
tycox   +1y
it just started earlier today. it doesnt want to idle for shit it lops down to just about to shut off then goes back up. i tried vacuum lines but no progress. i have the weber 38 on a 1990 pup 2.3. im thinking it is the intake gasket but i am new to isuzus so if anyone can help it will be appreciated
eatinpavement avatar
eatinpavement   +1y
the intake gasket is a very common problem on these trucks
89zues avatar
89zues   +1y
will a collapsed vacume line have the same result
tycox avatar
tycox   +1y
i sprayed around the intake and it didnt do anything though. i have spent days on it and got nowhere. but i am going to changed the gasket and the fuel pump this weekend.
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