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1992 Oldsmobile misfiring

Tiny
GOKORNGO341
  • MEMBER
  • 1992 OLDSMOBILE 88
  • 6 CYL
  • FWD
  • AUTOMATIC
  • 277,000 MILES
My olds has has bad misfire at idle and also I have a loss of power. I have no vacuum leaks and compression is also good. I changed the plugs back in may and put a new coil pack on and no luck. Code 41 is coming up and I replaced sensor but the light wont go off. The light was on before this stared happening and im lost on what to do.
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Tuesday, November 23rd, 2010 AT 6:47 AM

1 Reply

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Misfiring can be cause by the following:

1. Defective spark plug.
2. Inadequate spark/coil, defective spark plug wire.
3. Lack of compression
4. Vacuum leak
5. Fautly fuel injectors.
6. Insufficient fuel pressure.
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Tuesday, November 23rd, 2010 AT 6:55 AM

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