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egr valve

  1. Idles fine, jerks under load

    DTC's, Problems & Troubleshooting
    93' Pontiac 3800 series 1, just started doing this today. Starts fine, Idles Fine, but give it some resistance (put in in gear, foot on break), and there is no power, seems like its running on a single cylinder. If you shift out of gear, it will stall (unless you keep the rpm up). If you...