1995 Volvo 940 car loosing power

1995 VOLVO 940
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TOM J
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  • 1 POST
Engine Performance problem
1995 Volvo 940 Two Wheel Drive Automatic 205000 miles

my car lost power for 15 to 20 seconds while going 55 mph. did it 3 times. each time tach goes flat then car comes back on. didnt have to touch anything it just came alive again. confused.
Jul 15, 2010 at 8:06 PM
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RASMATAZ
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  • 75,992 POSTS
Possibilities: Inspect and test all the following listed below:

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.
Jul 16, 2010 at 12:46 AM