2001 Trooper sputters and chokes on cold start.

180

Asked by jmowrey Jun 25, 2015 at 08:26 AM about the 2001 Isuzu Trooper

Question type: General

It starts up instantly, but then sputters and chokes. If I don't give it some gas right away, it
dies. Once I get it going, it's fine. It then runs perfectly and starts perfectly throughout the
day. This is happening every morning for the last six days, on cold start only.

2 Answers
7,615

Stanford answered 8 years ago

Possible causes: Weak/failing fuel pump, clogged fuel filter, bad injector. Check those.

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1,495

N8dogg answered 8 years ago

Be sure to check the mass air flow sensor. If the fuel components all check out ok then that would be the next likely problem.

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