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2000 Chevy Prizm 2000 Prizm misfire

Tiny
ERICW1
  • MEMBER
  • 2000 CHEVROLET PRIZM
Engine Performance problem
2000 Chevy Prizm 4 cyl Front Wheel Drive Automatic

got a number 4 cyl misfire code, replaced plugs, swap coil with 3 and problem followed coil. Replaced coil, problem still there, what look for next?It has very rough idle(if it idles)doggy, number 4 plug gas fouled. Smokes when starts, any help be great
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Wednesday, December 9th, 2009 AT 8:28 AM

1 Reply

Tiny
MMPRINCE4000
  • MECHANIC
  • 8,548 POSTS
Start by performing a compression test on all cylinders. Engines need spark, fuel and compression to fire. If compression is low, could be a stuck valve or possible headgasket.
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Sunday, January 17th, 2010 AT 8:03 AM

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