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1995 Geo Prizm Misfire

Tiny
MAKERS
  • MEMBER
  • 1995 GEO PRIZM
  • 4 CYL
  • FWD
  • AUTOMATIC
  • 185,000 MILES
I just completed routine maintenance on my mother's 1995 Geo Prizm (oil, filter, air filter, etc.). I backed it out of the garage and it ran fine. I decided to spray the engine off. After starting it, it had a misfire. I figured I got water in the distributor cap. I took it off and it was indeed wet along with the spark plugs. I dried them all off but the misfire is still there. It is so bad now that after it warms up a little it will stall out and leave you stranded. What did I do?
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Wednesday, September 17th, 2008 AT 12:24 AM

1 Reply

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
You probably fried something in the distributor- Water acts as a conductor in electrical theory.

Do below and tell me what's missing fuel or spark

Disconnect a sparkplug wire or 2 and ground it to the engine -have helper crank engine over-do you have a snapping blue spark? If so-you have a fuel problem, check the fuel pressure to rule out the fuel pump/pressure regulator and listen to the injector/s are they pulsing or hook up a noid light. No snapping blue spark continue to troubleshoot the ignition system-power input to the coil/coil, distributor pick-up coil, ignition control module, cam and crank sensors-
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Wednesday, September 17th, 2008 AT 12:31 AM

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