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1989 Olds Cutlass 3.1

Tiny
JBJBREED38
  • MEMBER
  • 1998 OLDSMOBILE CUTLASS
  • FWD
  • AUTOMATIC
  • 61,000 MILES
Check engine light on, code check says #5 miss fireing, changed plugs, wire, and coil. Still #5 missing. Plug 5 had black gooy stuff on it-Oil?What next
Saturday, April 9th, 2011 AT 4:00 PM

2 Replies

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Check compression and injector for no.5 cylinder
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Saturday, April 9th, 2011 AT 4:06 PM
Tiny
PROTECH1980
  • MEMBER
  • 901 POSTS
Check compression on suspect cylinder, check for injector pulse at injector, if pulse OK, may have bad injector, swap out injector with another cylinder, see if misfire changes to the other cylinder you swaped it to, then you could suspect bad injector.
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Saturday, April 9th, 2011 AT 4:08 PM

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