1999 Chevy S-10 Bucking and surging

1999 CHEVROLET S-10
117,000 MILES • 6 CYL • 4WD • AUTOMATIC
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JOHN FERGUSON
  • MEMBER
  • 1 POST
I have a 1999 S-10 blazer that bucks and surges above 40 mph. I have replaced the fuel pump, fuel filter, plugs, distributor cap and rotor. Where should I go next?
Jul 7, 2008 at 1:39 PM
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RASMATAZ
  • ✓Experienced Mechanic
  • 75,988 POSTS
Check the fuel pressure and test the throttle position/MAF/MAP sensors
Jul 7, 2008 at 2:39 PM
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