Cars & Vehicles Auto Parts & Maintenance & Repairs

Troubleshooting Engine Problems: Hesitation

Symptom:Engine hesitating. When you step on the gas, the engine seems to bog down or takes a second to respond. You may notice a general lack of power. You may notice the problem when the engine is hot or cold or when you are low on fuel.
Possible causes:

  1. Dirty air filter.
    The Fix:Replace the air filter.
  2. The spark plugs may be dirty or worn.
    The Fix:Replace spark plugs.
  3. The ignition wires may be bad.
    The Fix:Inspect and replace ignition wires.


  1. Ignition system problems.
    The Fix: Check distributor cap or rotor[/link">. Ignition module may be bad.
  2. You may have water in the gasoline.
    The Fix:Drain the gas tank and flush with fresh gas and refill. (Generally not a DIY job)
  3. If you have a carburetor (all 3 of you), you may have a bad accelerator pump or power circuit.
    The Fix: Replace accelerator pump or replace carburetor.
  4. The fuel filter may be clogged.
    The Fix:Replace the fuel filter.
  5. Your catalytic converter may be clogged.
    The Fix: Replace catalytic converter.

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