p0301 p0430 HELP!

Discussion in 'Engine & Performance' started by Big'un, Dec 30, 2011.

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  1. Dec 30, 2011 at 9:11 PM #1
    Big'un

    Big'un BillyBadAss

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    Ok so my truck is throwin 301 and 430 .... I've replaced my plug twice, my cop , and injectors. It was just running ruff when I first cranked it and within 2 mins it smoothed out and ran good. Well today it never smoothed out. So when I got home I cut it off and cranked it back up and it was runnin smooth , then cut it off and cranked again and it was runnin like crap again! Some people say it's low on compression and some say blowed head gasket and sum say low fuel pressure.... Hell I'm tired of fuggin with it!
    :okay2:
     
  2. Dec 30, 2011 at 9:12 PM #2
    ol'red 98

    ol'red 98 Full Access Member

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    i would go with it being you need to coils
     
  3. Dec 30, 2011 at 9:13 PM #3
    Big'un

    Big'un BillyBadAss

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    Already done that
     
  4. Dec 30, 2011 at 9:15 PM #4
    ol'red 98

    ol'red 98 Full Access Member

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    0301 means misfire and 0430 mean Catalyst efficiency low
     
  5. Dec 30, 2011 at 9:16 PM #5
    ol'red 98

    ol'red 98 Full Access Member

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    i had the same thing happen to me when my coils went
     
  6. Dec 30, 2011 at 9:17 PM #6
    Big'un

    Big'un BillyBadAss

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    Ik wat they mean..... I done replaced everything as said in my OP
     
  7. Dec 30, 2011 at 9:20 PM #7
    ol'red 98

    ol'red 98 Full Access Member

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    did they get wet recently
     
  8. Dec 30, 2011 at 9:21 PM #8
    Big'un

    Big'un BillyBadAss

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    Nope
     
  9. Dec 30, 2011 at 9:24 PM #9
    ol'red 98

    ol'red 98 Full Access Member

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    I dont know then i would start with the coils you can get all 8 on ebay for like 80 buck last I checked when I did mine.
     
  10. Dec 30, 2011 at 9:26 PM #10
    Big'un

    Big'un BillyBadAss

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    Cyl 1 misfire! It has a brand dam new coil . It sparks I done checked it!
     
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