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Cylinders one and four misfiring

Tiny
KENNY PINNOCK
  • MEMBER
  • 1999 MITSUBISHI RVR
  • 2.4L
  • 4 CYL
  • 4WD
  • AUTOMATIC
  • 300 MILES
Cylinder one and four misfire, check engine light blinks on dashboard. Only two and three firing. Mechanic rule out compression, injectors, coil, spark plug. Also replaced valves and seal. Help anyone please.
Saturday, June 2nd, 2018 AT 4:50 PM

3 Replies

Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 47,526 POSTS
Hello,

It sounds like you lost one of the coil drivers inside the PCM or the distributor is bad but to be sure lets check the wiring to the coil to confirm the failure.

https://www.2carpros.com/articles/how-to-check-wiring

Here are the engine wiring diagrams. Does this car have a distributor?

Check out the diagrams (below). Please let us know what happens.

Cheers, Ken
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Monday, June 4th, 2018 AT 11:41 AM
Tiny
KENNY PINNOCK
  • MEMBER
  • 2 POSTS
Thanks for your reply. Already change the driver module same result?
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Wednesday, June 6th, 2018 AT 2:56 PM
Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 47,526 POSTS
Did you check the wiring? Also, the driver module is inside the PCM did you change it out? If you can read the wiring diagrams I can give you larger ones.
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Thursday, June 7th, 2018 AT 5:18 PM

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