1997 GMC Sierra SLE

Asked by Oct 26, 2017 at 10:24 PM about the 1997 GMC Sierra 1500

Question type: Maintenance & Repair

The fuel pump has been changed now this
morning(weeks after) it was starting hard cranking
for a while before firing , third time driving it it tool
longer while cranking to fire and I had to rev it to
get going , now it won't fire for me , oil was dry so I
added 5w30 oil 2 conventional one high mileage
and 2 16 oz 10 w 30 conventional oil in total rpms
have been messed up (you have to feather the
pedal with the break at 1000 rpms to idle) any way
to get this thing fired up started for me? Been at
this since about 3pm now 7:22 pm just ready to get
it going again

1 Answer

1,295

Try cleaning the Mass Air Flow sensor and report back

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