Thread: i bought 99 gtp and have trouble with it

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  1. #1 i bought 99 gtp and have trouble with it 
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    my car keeps getting a code and i just had my tranny rebuilt and the code is po756 and also po230 it fills like the clutch is slipping ive been driving it around like that. wat do i have to do to solve this problem?
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  2. #2 Re: i bought 99 gtp and have trouble with it 
    I AM PEWPIN! rynoman03's Avatar
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    Take it back to the shop you had your Transmission rebuilt at. Tell them of your problems.

    P0756 is a transmission code.

    P0230 is a fuel pump relay code. http://www.hotrodlane.cc/New%20LS%20...TC%20P0230.htm

    The powertrain control module (PCM) provides ignition positive voltage to the coil side of the fuel pump relay. When the ignition switch is first turned ON, the PCM energizes the fuel pump relay, which applies power to the fuel pump. The PCM enables the fuel pump relay as long as the engine is cranking or running, and crankshaft reference pulses are received. If no crankshaft reference pulses are received, the PCM de-energizes the fuel pump relay after 2 seconds. The PCM monitors the voltage on the fuel pump relay control circuit. If the PCM detects an incorrect voltage on the fuel pump relay control circuit, DTC P0230 sets.

    Anytime you have a P0xxx code pop google it. 99% of the time you will find what that code means. It's probably starving for fuel. Try replacing the fuel pump relay.
    1999 GTPHP Tuned, Ported SC/TB, 42#'s, SSAC's, ZZP Modded 1.9's/LS6 Springs/Manley's, TransGo Shift Kit, Poly Uppers, KYB GR2's/Springtech's. - 231k and traded it in. - Gone
    2000 GTP: XP, P&P'd Heads, N*\Lq4 MAF, GenV, 42#'s, PRJ Rails\FPR, Racetronix, TEP w/ 3.29 Gears, 300m, 7/8" chain, SSAC's. - Collecting dust in my garage.
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  3. #3 Re: i bought 99 gtp and have trouble with it 
    The Blue One blueguy's Avatar
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    Welcome to the site...and yeah, I'd take it back.
    Sold WBody's: '03 Blue GTP/'98 Green GTP/'98 Silver GT/'05 GXP
    '99 Chevrolet Silverado Classic Z71 4x4 - K&N Intake/Gibson Exhaust #TRUCKTHINGS
    '12 Buick Regal Turbo - ZZP CAI/20% Tint/HID's
    '89 Ford Mustang LX Notchback - LM7 5.3, 4L80, 9", HX40
    '04 Chevrolet Corvette MRM A4/LS1 - TSP LT's, 3"O/R X, AFE S2 CAI
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