My 92 gmc jimmy sle 4.3 liter engine keeps dying after driving 7 miles or when engine eats up good.

Asked by Baretta Aug 22, 2015 at 08:14 PM about the 1992 GMC Jimmy 4 Dr SLE SUV

Question type: Maintenance & Repair

I had a shop change fuel filter, fuel pump,
and a fuel tree or rail I suppose. It still dies
after a while , before it dies, I give it gas and
it loose power.

1 Answer
65,940

firebird338 answered 9 years ago

Check for a clogged catalytic converter. Do this test at night let vehicle idle for 5-10 minutes then look at the converter if if start s to turn red converter is clogged.

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