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1987 - 1996 F150 & Larger F-Series Trucks
still confused

1987 - 1996 F150 & Larger F-Series Trucks 1987 - 1996 Ford F-150, F-250, F-350 and larger pickups - including the 1997 heavy-duty F250/F350+ trucks

still confused

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Old

Sep 14, 2009 | 08:03 PM

#1

big64

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Joined: Mar 2009

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still confused

i have checked everything i can think of.the only code showing is egr but it has been blocked off for a long time so i dont think that is the problem.when i start the truck i idles down like it is supposed to ,then when step on the gas it idles high.then i turn off the truck and restart it it idles fine.it is a 88f250 w/a 302.thanks.

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Old

Sep 14, 2009 | 08:33 PM

#2

Conanski

FTE Legend

Joined: Jun 2006

Posts: 31,930

Likes: 1,499

From: Ottawa, Ontario

Check the TPS with a multimeter to make sure it's withing spec and there are no dead spots in it's sweep. Also thoroughly clean the IAC if it hasn't been done already.

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Old

Sep 14, 2009 | 08:52 PM

#3

big64

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thanks for the help, i will try this week

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