why do I loose power on accelleration?
Jan 1, 2011 at 7:39 PM
1999 buick regal
1999 BUICK REGAL
JRSONS1
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How long since a tune-up? Any trouble codes? Use a gage and check fuel pressure.
Jan 1, 2011 at 7:41 PM
just bought vehicle. no service engine light on.
Jan 1, 2011 at 7:47 PM
Check the engine compression if okay-Possibilities long list but worth to try: Check and test
Oxygen sensor.
Catalytic converter.
Fuel injectors dirty/sticking.
Mass airflow sensor/Airflow meter.
Throttle position sensor.
Crankshaft position sensor
Knock sensor
Manifold absolute pressure sensor.
EGR Valve
Fuel pressure regulator leaking or defective fuel pump.
False air leakage.
Fuel contamination.
Foul/defective spark plugs.
Open spark plug wires.
Ignition coil/Coil packs defective.
Incorrect ignition timing.
Cap and rotor.
Note:If it doesn't apply disregard it and keep testing
Oxygen sensor.
Catalytic converter.
Fuel injectors dirty/sticking.
Mass airflow sensor/Airflow meter.
Throttle position sensor.
Crankshaft position sensor
Knock sensor
Manifold absolute pressure sensor.
EGR Valve
Fuel pressure regulator leaking or defective fuel pump.
False air leakage.
Fuel contamination.
Foul/defective spark plugs.
Open spark plug wires.
Ignition coil/Coil packs defective.
Incorrect ignition timing.
Cap and rotor.
Note:If it doesn't apply disregard it and keep testing
Jan 1, 2011 at 8:34 PM
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