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Going down the road it sputters

Tiny
BOBBY JOE
  • MEMBER
  • 1998 GMC SUBURBAN
  • 230,000 MILES
My chevy suburban 1500 4x4 and idols good. But when going down the road it spits and sputters. What do you think is wrong with it? It seems like seems to be starving for gas whether if it's idling or going down the road.
Monday, January 23rd, 2012 AT 2:38 AM

1 Reply

Tiny
PROTECH1980
  • MEMBER
  • 901 POSTS
Do you have a check engine light on? If so diagnose that first. Fuel pressure should also be checked, spark qaulity should be checked, could be bad ignition parts(cap, rotor, wires, plugs, coil) or could be fuel related(pump, filter, injector). Process of elimination is required for diagnoses.
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Monday, January 23rd, 2012 AT 3:00 AM

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