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need help with 98 trans am

This is a discussion on need help with 98 trans am within the General Help forums, part of the LSx Technical Help Section category; Ok I am new here so if i posted this wrong.... i apologize..anyhow i am having alot of problems with ...

  1. #1
    Junior Member fastassbird05's Avatar
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    1998 pontiac trans am

    Unhappy need help with 98 trans am

    Ok I am new here so if i posted this wrong.... i apologize..anyhow i am having alot of problems with a 98 trans am i bought 3 years ago....I try to accelerate and the car literally chokes and i hear a popping noice under the headers like popcorn, whenever i try and accelerate....The RPM's wont go past 3 and when i try to force it, the car acts as if it cant breathe and almost turns off unless i let go off the gas. I changed the gas filter and it got a little better, but still it doesn't have the power it had.I have taken my car to different mechanics but no one can figure out whats wrong with it...my fuel pump is still good and i have no clue what it could be...please help
    1998 pontiac trans am autom- 87,000miles, no huge mods everything stock except for slp intake, k&n
    Last edited by fastassbird05; 11-08-2006 at 09:06 AM.

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    Senior Member Zboner's Avatar
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    99 SS

    auto or m6?

  3. #3
    King 0f n00bz shady milkman's Avatar
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    blacker than wesleysnipes
    98' trans am

    exhuast leak, dirty maf, have you checked the fuel rails and the entire fuel system..it sounds like ..well exactly what your saying..its choking its self out when you push it...man yea i'd check all things related to fuel, air intake..um also try the pcm relearn...you never know sorry man i'll rack my brain and try to give you more help..i'd try posting this shit in the internal section too.
    mods- suncoast creations hood with functional lt1 style airbox, ls6 intake, QTP longtube headers, QTP ORY, UMI SFC, Adj. LCA with relo brackets, UMI adj. panhard bar, Koni SA and strano springs,Torq Thrust M 17s 9.5 and 10.5 with nitto 555Rs, tuned by Frost
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    Senior Member bigrondownhiller's Avatar
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    1996 Camaro Z28 vert

    has the car sat for a long time? if it sits the cats could clog and it will run just like you described.

  5. #5
    Senior Member ss~zoso~ss's Avatar
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    SS: NBM, tan top
    1998-SS, 2010 Jetta TDI

    check all of the listed above, and replace plugs and wires

  6. #6
    CAM mmmmmm... Toes's Avatar
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    2000 Z28 M6

    Cracked Plug will cause a simular condition if their is no codes to pull

  7. #7
    Senior Member Too Fast's Avatar
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    2000 WS6 6spd Hooker LT

    Sounds like poor fuel pressure/volume under load. Has anybody checked this? That would be the first thing I would check. I have worked at Goodyear as a driveability tech for 18 years. It is easy ....
    Last edited by Too Fast; 11-14-2006 at 03:02 AM.

  8. #8
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    I have seen a ton of cases like you describe and have always seen them using a reusable air filter that was over oiled and coated the MAF with oil. Re clean the filter, clean the MAF with denatured alcohol, an re oil the filter lightly. Enjoy

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