95 ROUGH runner - Ford Powerstroke Diesel Forum
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Old 02-18-2007, 12:31 PM
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95 ROUGH runner

Today I started up my 95PSD and it started just fine.After about 20 seconds it started Idling VERY rough and won't take much throttle.Also the CHECK ENGINE light came on.I replaced the fuel filter and cleaned the KN air filter,NO CHANGE.It starts right up but hardly idles and will only rev to about 2,000 rpms and it takes awhile to get there ANY HELP would be GREAT !!!!
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Old 02-18-2007, 12:32 PM
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Can you pull the codes from the CPU?
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Old 02-18-2007, 12:46 PM
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No I can't.Just a driveway mech here..
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Old 02-18-2007, 12:51 PM
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Try checking the connectors under the valve covers.
Do you have a guage to check the fuel pressure?
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Old 02-18-2007, 12:53 PM
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No pressure gauge.Does it sound like it may be a fuel problem ???
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Old 02-18-2007, 01:00 PM
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Man, it could be several things. My guess is electrical, but it would help if you knew the fuel pressure. Try checking the oil level in the HPOP. Remove the plug and see if oil is about 1" from bottom of the hole. It could also be the valve cover harness, but codes could help narrow it down. Could also be a bad injector. Is it blowing any smoke?
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Old 02-18-2007, 01:03 PM
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Whats a HPOP ???.No it not blowing any smoke.
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Old 02-18-2007, 01:07 PM
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It is the high pressure oil pump that is used to accuate the injectors. It is the aluminum housing above the water pump and directly in front of the Fuel filter.
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Old 02-18-2007, 01:12 PM
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What if it's low on oil will it effect the firing of the injectors ??
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Old 02-18-2007, 01:18 PM
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Yes it will, but i'm not sure of the symptoms. I've never had a problem with mine, but it's one thing that should be checked.
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