Question about 1998 Pontiac Grand Prix

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98 pontiac grand prix gt dies on acceleration not all the time once a week or so. If I put in nutral it will restart with no problem.

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I will tell you to check the Coil pack. And see if there any dirty with rust or need to be change. If not try any air sensor specially the ABC.. Hope this help..

Posted on Oct 22, 2009

  • Anthony Torres Oct 22, 2009

    I've seen a few bulletins on new design pressure control solenoids for this transmission. Sounds like yours may be a candidate! Do you have an extended warranty? Some owners of the above vehicles with a HydraMatic 4T65-E transaxle may comment on harsh upshifts or harsh garage shifts, soft shifts, shudders on hard acceleration, or shifts erratic. These conditions may appear intermittently or set a DTC P1811 or P0748. During diagnosis, a low or high line pressure (actual versus desired) may be observed.
    Cause:
    The above condition may be due to any one of the following which may affect line pressure output:


    • Sediment inside the pressure control (PC) solenoid valve, causing the PC solenoid valve to mechanically bind.
    • Sediment in the valve body, causing the torque signal regulator valve to stick.
    • Incorrect transaxle oil level.

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