Engine running kind of rough

Asked by GuruB53QY Dec 12, 2018 at 06:45 PM about the 1997 GMC Sierra 1500 K1500 SL 4WD Extended Cab LB

Question type: Maintenance & Repair

I replaced the intake gasket and ever since
then it's been idling rough. The machine
says the timing is zeroed out so not too
sure what it is? Replaced the fuel filter and
all plugs and wires and distributor cap

1 Answer
9,730

Mike answered 5 years ago

Get hooked into a scanner, check the 02 sensor it sounds as if you may not have gotten the intake to seal, you can use either or carb cleaner to spray the intake and watch the sensor change when you find it, also check for hoses you may have cracked during the repair. I hope this helps.

Mark helpful

Your Answer:

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