i have a 2003 chevy suburban 5.3 liter..bogged it down got the converters hot.. since then been runnin rough..found i had blowed head gasket..fixed that and numerous other electrical components..

Asked by shanerhodes13 Mar 04, 2014 at 08:15 PM about the 2003 Chevrolet Tahoe LS RWD

Question type: Maintenance & Repair

problem now is diagnostic shows m.a.f. problem..replaced that twice..replaced plug wires twice..and its still fouling out my plugs..no power..and bogs out when u give it gas??

30,515

yetilikesbeer answered 10 years ago

The last MAF code for a GM question I seen on here was plugged cats. The low air flow vs. engine load sets the MAF code. It's worth checking.

Mark helpful

50,755

John answered 10 years ago

I was thinking the cats were bad. If you "got them hot" it may of messed them up creating a major restriction in the exhaust flow. It's almost like the old tail of someone sticking a potato in the exhaust pipe.

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i have a 2003 chevy suburban 5.3 liter..bogged it down got the converters hot.. since then been runnin rough..found i had blowed head gasket..fixed that and numerous other electrical components.. 2 Answers

problem now is diagnostic shows m.a.f. problem..replaced that twice..replaced plug wires twice..and its still fouling out my plugs..no power..and bogs out when u give it gas??

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i have a 2003 chevy suburban 5.3 liter..bogged it down got the converters hot.. since then been runnin rough..found i had blowed head gasket..fixed that and numerous other electrical components..

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i have a 2003 chevy suburban 5.3 liter..bogged it down got the converters hot.. since then been runnin rough..found i had blowed head gasket..fixed that and numerous other electrical components..

2 Answers

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