1992 Ford E-Series Van

Tiny
MIMILLER
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  • 1992 FORD E-SERIES VAN
Engine Performance problem
1992 Ford E-Series Van V8 Two Wheel Drive Automatic

460 When weather is warm engine hesitates, loses power and stalls. Starts only after 1/2 hour or more cool off. Runs fine when cool.
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Sunday, March 21st, 2010 AT 7:31 PM

8 Replies

Tiny
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Next time it stalls immediately do below to find out what's missing: Fuel or Spark

Get a helper disconnect a sparkplug wire or 2 and ground it to the engine at least 3/16 away from ground -have helper crank engine over-do you have a snapping blue spark? If so-you have a fuel related problem, check the fuel pressure to rule out the fuel filter/fuel pump/pressure regulator and listen to the injector/s are they pulsing or hook up a noid light. No snapping blue spark continue to troubleshoot the ignition system-power input to the coil/coil packs, coil's resistances, distributor pick-up coil, ignition control module, cam and crank sensors and computer Note: If it doesn't apply disregard it.
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Monday, March 22nd, 2010 AT 12:16 AM
Tiny
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Thankyou for the reply. I have also had a lot of pinging under even a moderate load, might be related? Low fuel pressure? Removed and checked the ignition module, could not get it to fail even when warm and trying over 10 times.
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Thursday, March 25th, 2010 AT 3:28 PM
Tiny
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Test the EGR valve and also the knock sensor a problem with this 2 will cause the engine to detonate/ping to inlcude engine overheating
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Thursday, March 25th, 2010 AT 4:01 PM
Tiny
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Thanks again for the help, I am still wandering around in the dark. Coolant never over heats, guage is below half. I don't think this vehicle has a knock sensor. Think the EGR valve is still suspect? How do I check it?

How about timing chain? Maybe O2 sensor?
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Thursday, March 25th, 2010 AT 4:10 PM
Tiny
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Step 1 Do a fuel pressure check if its within specs if okay do S2

Step 2 Get a vacuum pump to check the EGR valve or use its on intake manifold vacuum to open the EGR pintle-it shpuld drop 150rpm if its functioning
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Thursday, March 25th, 2010 AT 4:30 PM
Tiny
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Is it possible the fuel pressure might only drop when it is hot? What does printle-it mean?
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Thursday, March 25th, 2010 AT 4:39 PM
Tiny
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Also I notice the heater flaps seem to change when under a moderate load, a load less than I would expect them to change.
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Thursday, March 25th, 2010 AT 4:44 PM
Tiny
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I keep looking and listening for vacum leaks but have not found any?
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Thursday, March 25th, 2010 AT 4:46 PM

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