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Ford Truck Club Forum > FORD F-250 | F-350 SERIES | SUPER DUTY > 1992-1997 Ford F250 | F350

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Old February 3rd, 2016, 04:06 PM
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94wind351 94wind351 is offline

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Cool Trouble with a high millage 5.8

I have had my 1994 250 5.8 for 12 years and have never had any trouble with it that I couldn't figure out on my own. It has recently decided not to run real well. It will run great and with no notice start to crawl and eventually stall. I have replaced the plugs, wires, cap, rotor, distributor, ignition control module, ignition coil and fuel filter it runs better now and I haven't had it stall in awhile however I haven't driven very far distance do to a newly found trust issue with my truck it still spudders out a little bit at idle and low RPM any ideas? could the timing be off just enough to cause the rough idle? seems I can turn the distributor enough to either have a good idle in park or neutral or In drive and reverse can't seem to find the medium. Please help. I'm not sure if I'm posting in the right location or not, new to site and excited to give and receive information with y'all.
Old January 22nd, 2017, 01:37 PM
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rAzkid rAzkid is offline

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I know this is an old thread but this might help someone else. Disconnect the battery, put a socket with breaker bar on the crankshaft damper center bolt and remove the distributor cap. Rock the breaker bar back and forth while watching the distributor rotor. If the timing chain isn't stretched then the rotor should move as soon as the breaker bar moves. With a high mileage engine the timing chain is probably stretched quite a bit and you will notice the breaker bar will move without the rotor moving. You didn't say how many miles are on the engine but a timing chain may be needed in order to correct the valve and ignition timing.
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Old January 23rd, 2017, 06:49 AM
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^^^ good idea

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