September 30: LEMON manuals is back up on a temporary server! Slowness is possible
Lack Of Power
- Check ignition system.
- Check for bad ECM or ignition grounds.
- Check ignition timing.
- Check for contaminated fuel.
- Check fuel pressure.
- Check for restricted fuel filter.
- Check EGR system.
- Check for restricted air filter.
- Check for faulty Throttle Position Sensor (TPS).
- Check for faulty MAP sensor.
- Check O2 sensor for silicone contamination from fuel or improper RTV sealant.
- Check for faulty coolant temperature sensor.
- Use Scan tester to ensure vehicle speed sensor reading matches actual vehicle speed.
- Check A/C system operation.
- Check charging system voltage.
- Check power steering operation.
- Check for faulty automatic transmission/transaxle operation.
- Check valve timing.
- Check for improper or worn camshaft.
- Check engine compression.
- Check for restricted exhaust system.