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Common Problems, Issues, Recalls, and Reliability

  • Engine Cranks and Doesn't Start

    An electrically shorted air flow sensor can cause a crank-no start condition. Diagnosis may show that ignition spark is normal, and there are no trouble codes stored.

  • Squealing In Timing Cover Area When Cold

    The timing belt tensioner pulley may make a squealing noise from the timing cover area on cold startup. An updated tensioner with a thicker mounting bracket to eliminate vibration may be needed to solve the problem.

  • Idles Rough, Misfires, and Possible Check Engine Light

    A loose or corroded ground terminal on the driver's side of the cylinder head can cause a rough idle , misfires , and there may be trouble codes . Restore the ground to the cylinder head.

  • Crank but No Start Condition

    If the engine cranks but does not start, and diagnosis shows no fuel pressure, the fuel pump relay is frequently the problem. If the fuel pump relay is defective, the fuel pump will not energize and therefore, not generate fuel pressure so the engine can run.

  • Misfires Under Load

    Misfires under load (acceleration) can be caused by leaky spark plug boots. When a spark plug boot leaks, it allows the spark to arc, or jump, to the cylinder head . New spark plug wires will be needed.

  • Check Engine Light Due to Restricted EGR System

    The passages for the Exhaust Gas Recirculation (EGR) system can become restricted or clogged causing the Check Engine Light to illuminate. The EGR valve will need to be inspected and the passages cleaned.

  • Wire inside head light switch may break and cause head lights to be inoperative

    A wire inside the head light switch can fatigue and break over time causing the head lights to be inoperative. There is an updated head light switch to fix the problem.

1994 Questions and Answers

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1994 Maintenance and Repair