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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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p0304

  1. 420A Help with 2G 1999 Eclipse RS (420a) p0304, p0303, p0302 codes rough idle

    Hello I have a stock 1999 Mitsubishi Eclipse RS with the 420a engine. It currently has 195,500 miles. I’m currently dealing with a rough idle and check engine lights p0304, p0303, and p0302. None have came on at the same exact same time since I’ll try and fix something and I reset the codes but...

  2. 420A Stock Fuel Injector O-ring replacement Eclipse 99 RS 420a

    Hello, I have a stock 1999 Mitsubishi Eclipse RS. About to hit 200k miles. I recently got flashing p0304 code. My spark plugs look good, spark plugs wires look good and both aren’t old less than 1 year. So my next step is to test my injectors to see if they’re the issue. But I was recommended to...
    • Raider_831
    • Thread
    • fuel injector o-ring kit fuel injectors o-ring kit p0304
    • Replies: 4
    • Forum: Newbie Forum
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