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Recent content by bornofash

  1. B

    Please help! P0155, P0300, P0301, P0306

    California emissions. The O2 sensor I replaced is a Bosch and it was bank 2 sensor 1. The plugs are Champion although I'd have to pull them for the specific type since they're the new ones put in by the shop. I have Sunday off and plan to toy around a bit more with further testing. Thanks!
  2. B

    Please help! P0155, P0300, P0301, P0306

    Codes are for O2 sensor malfunction, random cylinder misfire and cylinder 1&6 misfire. It does run well until the plugs get gummed up. Gonna try out compression test to see if that tells me a bit more.
  3. B

    Please help! P0155, P0300, P0301, P0306

    Hi there! Trying to diagnose my cylinder misfire issues that have been ongoing. I feel like I've tried almost everything and I now have a shop telling me I need a new motor which may be the easiest but also most expensive solution. My 2000 Jeep Cherokee 4.0L inline (168k+ miles, automatic) has...
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