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1999 cadillac catera p0302 code

Hi, Iam working on this Cadillac catera 6 cylinder 3.0 .Has p0302 error code. Checked compression,its 200 psi,I switch spark plug to cyl 4,switch fuel injector to cyl 1,and still the code p0302. My cuestion is: Do you think the problem is the coil pack?.Or what do you think is next.Please help.Thanks.

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  • JESUS RUIZ Dec 10, 2012

    These coils are together,they come marked,driver side 2,4,6,its only one pack of 3 and no wires.I dont know if can switch driver side on to the other side.Autozone or ebay ask for side 2,4,6 or 1,3,4.I have to check tomorrow afther work.THanks.

  • montehammons Dec 10, 2012

    oh, ok, I see I am defeated by new tech that I havent had the pissure to acommodate...good luyck, jose!

  • montehammons Dec 10, 2012

    oh, sorry jesus, and good luck for sure. hope you figure it out.

  • montehammons Dec 10, 2012

    so, one possibly bad coil means you have to replace that bank of coils?

  • JESUS RUIZ Dec 11, 2012

    Yes, are to spencives but I found one on for 12 bucks,I called this moorning ,they have it $25 dls incluide shipping.Its not to bad to try it.I think its the next step to do.Thankyou very much.If works I'll let you know.Thanks.

  • JESUS RUIZ Dec 20, 2012

    Hi,I get the coilpack today and repased,Thanks to everybody,Cadilac Catera runs very good.For $25 bucks only.

  • montehammons Dec 20, 2012

    Glad to hear that. $25 is great! Nice work, Jesus.



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Try switching coils and see if problem follows coil. Same with plug wires, try switching wires.

Posted on Dec 10, 2012


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