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1992 Ford Aerostar fuel pump

Tiny
BRAZZ5099
  • MEMBER
  • 1992 FORD AEROSTAR
  • 6 CYL
  • FWD
  • AUTOMATIC
  • 100,000 MILES
Van hard to start-took the vehicle to the shop to install a new fuel pump drove for 1/2 day went home and the van will not start- what could be the problem
Tuesday, May 6th, 2008 AT 11:29 AM

2 Replies

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Could be a fuel or spark problem do below to determine which.

Get a carb cleaner and spray into the carb or the throttle body on an EFI. Did it start and die? If not disconnect a sparkplug wire or 2 and ground it to the engine -have helper crank engine over-do you have a snapping blue spark? If so-you have a fuel problem, check the fuel pressure to rule out the fuel pump/pressure regulator and listen to the injector/s are they pulsing or hook up a noid light.

Fuel pump and Injector/s checks out-start checking the ignition system-power to coil, coil/s itself, distributor pick-up, control module, Cam and Crankshaft sensors.

If both fuel and spark is present-check the valve and ignition timing, this will lead you to problems with compression and valves opening and closing at the wrong time
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Tuesday, May 6th, 2008 AT 11:35 AM
Tiny
R.MATTHEWS
  • MEMBER
  • 2 POSTS
I had that same problem, I installed A new Fuel pump and that WAS_NOT the problem the problem was it was not firing, there is a metal ring inside the distributor, or the hub where all the spark plug wires are located. That ring was disfigured(chewed up) which caused the engine not to fire.
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Friday, July 18th, 2008 AT 10:09 AM

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