Thread: 2005 Grand Prix 3.8L suddenly doesn't want to run then shoots a P0300

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  1. #1 Re: 2005 Grand Prix 3.8L suddenly doesn't want to run then shoots a P0300 
    Grindal
    Grindal is offline
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    Default 07-02-2013
    I was looking @ part numbers, looks like those are the same. The ICM looks the same on both. I will try the O2 sensor tonight when I get off work. The plugs aren't that old in it either. I put Bosch +4 platinum plugs in it about 30k miles ago and they've been great so far.
    Last edited by Grindal; 07-02-2013 at 08:20 PM. Reason: left out info
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