1996 gmc 1500 has no power under load won.t go over 30mpg

Asked by delgd Jun 10, 2015 at 05:28 PM

Question type: General

1 Answer
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firebird338 answered 8 years ago

Check catalytic converter it may be clogged. Do this test at night let vehicle warm up then take a look at your exhausted system if converter is clogged it will turn cherry red.

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