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1997 Pontiac Sunfire

Tiny
AMWHITE
  • MEMBER
  • 1997 PONTIAC SUNFIRE
Engine Mechanical problem
1997 Pontiac Sunfire 4 cyl Two Wheel Drive Automatic

car running slugish, motor shakes, won't drive over 30 mph. Had compresion test done on motor, came back good, new sparke plugs, plug wires, fuel filter, when hooked up to dignostic test it reads misfire
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Tuesday, October 5th, 2010 AT 12:46 PM

3 Replies

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Start by checking the exhaust system for restriction
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Tuesday, October 5th, 2010 AT 3:11 PM
Tiny
AMWHITE
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Exhaust has been checked for restriction already.
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Tuesday, October 5th, 2010 AT 8:00 PM
Tiny
RASMATAZ
  • MECHANIC
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Test the throttle position sensor and manifold absolute pressure sensors-to include a fuel pressure check
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Tuesday, October 5th, 2010 AT 8:24 PM

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