1988 ford 5.8 efi egr - Ford Forums - Mustang Forum, Ford Trucks, Ford Focus and Ford Cars
 
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post #1 of 2 (permalink) Old 02-15-06, 03:17 PM Thread Starter
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1988 ford 5.8 efi egr

okay ford tech's i need help? just coded t/s codes (using otc genysis) and have a code 31 & 44. truck runs awesome with egr disconnected? ref sig. 5.4v on epv, tab /tag routing correct and in tact vac at idle is 1.0 hdg. egr vac holds with pump and evp res check is good. so what next? truck chugs and runs rough / barely idles with egr hooked up, light is off... help from you ford gurus please... koer,koeo tests pass
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post #2 of 2 (permalink) Old 02-15-06, 03:41 PM
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Re: 1988 ford 5.8 efi egr

Sounds to me like your EGR system is blocking up really badly... but could also be a vacuum gremlin. I've had a long day and I'm not much help right now otherwise. Sorry. I'll think about it over a beer after work and let you know if I think up anything.
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