FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
Courtesy of Operation CHARM: Car repair manuals for everyone.

Engine Hesitates or Accelerates Poorly

ENGINE HESITATES OR ACCELERATES POORLY

Check in the order shown


1. Check clutch or brakes
- Clutch slippage.
- Brakes dragging.
2. Check for vacuum leaks
- Oil filler cap.
- Oil dipstick.
- Vacuum hose connections.
- Positive Crankcase Ventilation hose.
- Exhaust Gas Recirculation system.
3. Check Air Filter
- Clean or replace as needed.
4. Check for Diagnostic Trouble Codes
- Repair condition as required.
5. Perform spark test
- High tension cables.
- Ignition Coil.
- Ignition Power Transistor.
- Spark Plug.
6. Check ignition timing
- Reset timing correctly.
7. Check fuel pressure
- Fuel line leakage or deformation.
- Fuse.
- Fuel Pump.
- Fuel filter.
- Fuel Pressure Regulator.
8. Check Injectors
- Repair as needed.
9. Check Spark Plugs
- Condition.
- Gap.
- Compression (if needed).
10. Check Multiport Fuel Injection electronic circuit
- Wiring connections.
- Power to Engine Control Module.
- Engine Coolant Temperature Sensor.
- Intake Air Temperature Sensor.
- Injection signal circuit.
- Throttle Position Sensor.
- Volume Airflow Meter.