1990 Chevy Suburban HESITATION

1990 CHEVROLET SUBURBAN
169,000 MILES • V8 • 4WD • AUTOMATIC
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MISTAJONES90
  • MEMBER
  • 1 POST
After replacing numerous parts from the plugs,wires,cap,rotor,MAP sensor, egr, IAC valve,Throttle body gasket,pcv valve,fuel pump & filter I'm getting hesitation upon acceleration. Can u tell me what it can possibly be the timing is at 0 and all vacuum lines are good.
Jan 20, 2010 at 8:27 AM
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JACOBANDNICKOLAS
  • ✓Experienced Mechanic
  • 110,248 POSTS
It could be many things. Are there any codes in the computer? Also. make sure the crank sensor is clean.

Let me know what you find.

Joe
Jan 22, 2010 at 3:36 AM
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