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Help!!

This is a discussion on Help!! within the General Help forums, part of the LSx Technical Help Section category; I have a 2002 z no mods really.. When I punch it off the start it misses and sputters. And ...

  1. #1
    Member Coydawg6's Avatar
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    2002 Z28 Camaro

    Help!!

    I have a 2002 z no mods really.. When I punch it off the start it misses and sputters. And acts like it has know power when I punch it while driving and will die sometimes.. I'm lost and not really sure what's wrong if you need anymore info ask and I'll give you all I can i just know it's getting warm and I need my car lol

  2. #2
    ʢ ൧ ൨ ൩ ൪ ൫ ൬ ൭ ൮Ր Ց Ւ Փ Smittro's Avatar
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    SES light? Codes? Last time the MAF was cleaned?
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    '02 WS.6 / '07 Suburban

    Have you done any work on the car lately?

    Like Smittro said, good idea to clean the MAF with some CRC Spray MAF cleaner that you can get at just about any parts store. Also, take a look at the inside of your throttle body while you have the MAF off as it may also need cleaned and inspect your PCV hose connection on the passenger side of the throttle body.

  4. #4
    Electrical Engineer KMdef9's Avatar
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    Custom Swirly Black
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    Have you checked your fuel pressure at the fuel rails?

  5. #5
    Member Coydawg6's Avatar
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    Yes ses light is on.. I have not cleaned the maf in a year and the codes that come up are maf, front O2, and to lean bank 1 and 2.. And yes it has plenty of fuel pressure lol I did check that

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    What was your pressure at the rail? Did you check it under load or just at idle?

  7. #7
    Member Coydawg6's Avatar
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    I don't remember cause that was the first thing I checked lol but I do remember that it was normal

  8. #8
    ʢ ൧ ൨ ൩ ൪ ൫ ൬ ൭ ൮Ր Ց Ւ Փ Smittro's Avatar
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    Quote Originally Posted by Coydawg6 View Post
    Yes ses light is on.. I have not cleaned the maf in a year and the codes that come up are maf, front O2, and to lean bank 1 and 2.. And yes it has plenty of fuel pressure lol I did check that
    Hm good pressure, lean bank 1-2..

    You have 2 front 02's

    Clean your MAF, then clear the codes and see what happens.. imo

  9. #9
    Member Coydawg6's Avatar
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    I ment to say front sensors... I'm on my iPhone for the first time.. And also let's mention that it has a 170,000 miles on it haha

  10. #10
    ʢ ൧ ൨ ൩ ൪ ൫ ൬ ൭ ൮Ր Ց Ւ Փ Smittro's Avatar
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    Quote Originally Posted by Coydawg6 View Post
    I ment to say front sensors... I'm on my iPhone for the first time.. And also let's mention that it has a 170,000 miles on it haha
    ahha. If you're still on factory 02's it's possible they need replaced..

  11. #11
    Member Coydawg6's Avatar
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    They have been replaced within 25000 miles

  12. #12
    ʢ ൧ ൨ ൩ ൪ ൫ ൬ ൭ ൮Ր Ց Ւ Փ Smittro's Avatar
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    Thumbs up

    Quote Originally Posted by Coydawg6 View Post
    They have been replaced within 25000 miles
    I think we just narrowed it down then..

  13. #13
    Member dav-02ws6-m6's Avatar
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    2002 trans am ws6

    how long has it been sense you change your spark plugs?

  14. #14
    Member Coydawg6's Avatar
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    It's been about 15,000

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    black on black
    2000 ws6

    Hey can anyone tell me if getting the SLP mass air flow 85mm is worth it over the stock?? All i have done is exhaust and SLP intake and chip Just worndering if i should of got it to ? THANKS

  16. #16
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    Quote Originally Posted by scottqcs View Post
    Hey can anyone tell me if getting the SLP mass air flow 85mm is worth it over the stock?? All i have done is exhaust and SLP intake and chip Just worndering if i should of got it to ? THANKS

    Nooooooooooooooooo! Stick with the stock unit.

  17. #17
    Veteran 0rion's Avatar
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    have you checked for vacuum leaks? Start with the pcv hose where it bends to go into the intake. That hose likes to crack on the backside of the bend. How ( and what rpm) does the car idle? What was the number of the MAF code?

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