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1987 Ford E-Series Van loss of power

Tiny
TJOBRIEN
  • MEMBER
  • 1987 FORD E-SERIES VAN
1987 Ford E-Series Van V8 Two Wheel Drive Automatic

My van has no power at highway speeds. In town it does fine, but once it gets above 40 or 50mph it just doesnt have any more power. And, if I'm going up any kind of grade, about 50-55mph is all I can get out of it. What could be the problem?
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Friday, July 16th, 2010 AT 8:02 PM

1 Reply

Tiny
RASMATAZ
  • MECHANIC
  • 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.
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Friday, July 16th, 2010 AT 8:06 PM

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