1991 Ford E-Series Van fuel

Tiny
LAVANDEM
  • MEMBER
  • 1991 FORD E-SERIES VAN
  • V8
  • 2WD
  • AUTOMATIC
  • 16,000 MILES
I have changed fuel pump, fuel filter, checked lines and when weather gets warm and I drive the van it will start to vapor lock, surge and sometimes quit. The temperature gauge does not show the van warm and I cannot figure out what else it could be. It has the 460 7.5 motor in it.
Sunday, May 30th, 2010 AT 3:54 PM

1 Reply

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Inspect and test all the following listed below

Oxygen sensor.
Catalytic converter.
Fuel injectors dirty/sticking.
Mass airflow sensor/Airflow meter.
Throttle position 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.
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Sunday, May 30th, 2010 AT 3:59 PM

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