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For 1990-1999 Mitsubishi Eclipse, Eagle Talon, Plymouth Laser, and Galant VR-4 Owners. This is where the DSM platform history is documented and archived. Log in to help us in our mission, and to remove most ads from the browsing experience.

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1990 plymouth laser 4g37 misfire idle diagnostics

  1. 1G Apparent Misfire - Seeking Advice!

    Hello there,I’ve come to this forum seeking some advice with my 1990 Laser, non-turbo. She has the 4G37 1.8l stock engine, and I’ve come across what I think is a bad misfire. I’m somewhat self-taught, have worked in automotive for about six years total with plenty of hands-on experience...
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