Thread: 97 L36 Acceleration Problems

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  1. #1 97 L36 Acceleration Problems 
    SE Level Member gpaddictiongtp9798's Avatar
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    Hey everyone my fiance has a 97 l36 and i drove it the other day. but when accelerating the car its really slow that catches up after a while. when i looked in the engine bay the the throttle body grommet that connects to the air box was completly melted. i replaced it and didnt have any problems for the time being. but when she drove it the next day she was having the same problems. I have yet to check the fuel system to see if maybe she has low fuel pressure or maybe back pressure test the exhaust system before the cat to make sure its building up enough pressure. does anyone else have any ideas on what else it could be. let me know thanks.
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  2. #2 Re: 97 L36 Acceleration Problems 
    GXP Level Member JoRoW99's Avatar
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    Well if the cat is bad, it will most likely set a Check engine light. so its prly not that.
    '01 GT - Top swapped. ported SC/Heads/TB, SD headers, open cone, HPTuners, 3.4 MPS, 60#'s, E85.______________________SMGPFC #99_______________________
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  3. #3 Re: 97 L36 Acceleration Problems 
    The Blue One blueguy's Avatar
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    Any SES's?
    Sold WBody's: '03 Blue GTP/'98 Green GTP/'98 Silver GT/'05 GXP
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  4. #4 Re: 97 L36 Acceleration Problems 
    SE Level Member gpaddictiongtp9798's Avatar
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    we have no check engine lights and the cat has a small leak in it and i dont beleive any SES's
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  5. #5 Re: 97 L36 Acceleration Problems 
    GT Level Member macey43's Avatar
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    It could be the cat even without an ses. I just had a clogged cat and i didnt get an ses. Remove the o2 sensor that is on the rear manifold before the cat and run the car. If it runs better then the cat would be your problem as the new hole will allow the backed up exhaust to escape
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  6. #6 Re: 97 L36 Acceleration Problems 
    GrandPrix Junkie CTKGP09's Avatar
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    clean the throttle body if that tube was melted like you said
    '04 Chevy Silverado LT 4x4 - intake, headers, full exhaust, zo6 cam, 799 heads, tune, leveled, 33's
    '00 Grand Prix GTP DAYTONA 500 - L36 block, S1X, intercooled, GenV, N*, headers, full exhaust, coilovers, 5 speed swap, stage 3+ clutch
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