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  1. General Discussion
    So I’ve been dealing with misfire issues for a while and I’ve replaced many things, eventually I found my compression too be low due too stuck piston rings but I managed too get them free with marvel mystery oil and now my engine has good compression again. But I still have random misfires and...
  2. General Discussion
    I’ve been having misfire issues for a while now. I thought it was because of a vacuum leak so I replaced all the cracked hoses but the misfire continued. One of the hoses I replaced is pretty kinked but still has air flow, I attached a photo of it (the one that bends downwards in photo) does...
  3. Basic Help & Repair
    Hey I have a 2001 Lexus is300 that is now throwing a misfire code after I did some work on it. the car was leaking pretty bad out of the valve covers so I changed those and figured I’d do the plugs well I’m at it. I put NGK iridium ix plugs in and also replaced the wires with Ngk wires. The car...
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