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Cyliner missfire

Tiny
NIXTER1318
  • MEMBER
  • 2000 KIA SPORTAGE
  • 4 CYL
  • 4WD
  • AUTOMATIC
  • 140,000 MILES
Kia sportage, cylinder 4 misfire, replaced plugs, wires, injectors, coils, no change. I did a compression test, got cylinder 1-3 at about 75 psi, and cylinder 4 at 0. Not losing any water, no oil loss. Possible exhaust valve stuck? Any easy way to fix?
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Saturday, January 22nd, 2011 AT 12:50 AM

2 Replies

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Do a cylinder leakage test to confirm where its actually leaking at-also did you do a wet test?
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Saturday, January 22nd, 2011 AT 1:20 AM
Tiny
NIXTER1318
  • MEMBER
  • 2 POSTS
No, I thought about doing the wet test after Id returned the compression test set (I got it as a loaner). I am going to get the tester again when its somewhat a decent day out. I did notice a hissing sound while I did the compression test. I'm not a mechanic, but is that normal?
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Saturday, January 22nd, 2011 AT 2:11 AM

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