jacked up idle
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New User
Joined: Jan 2008
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From: Alaska
jacked up idle
<hr style="color: rgb(102, 102, 102);" size="1"> Morning....91 F150 6 cyl. fuel injected. When I start the truck I get major high erractic idle. Doesn't matter if the truck is warmed up or not. Showing no codes. Replaced IPS...plugs...wires...rotor/cap. No change. Noticed the plugs showed the engine running lean. No vac leaks that I can find. Any ideas would be greatly appreciated...peace
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New User
Joined: Jan 2008
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From: Alaska
more parts
Hi: replaced IAC, TPS and get no change in the idle. Truck runs better with the tune up but still has high erratic idle speeds...sign me...still jacked up...thanks for your help
Senior User
Joined: May 2004
Posts: 194
Likes: 1
From: Waterford Michigan
Your swap parts list tells me that there is a vacuume leake some where. If it is a high eratic idle in the rang of 1800 to 2500 RPM check the break booster gromet and that end of the vac line.
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cumberlandboy
1999 - 2003 7.3L Power Stroke Diesel
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Aug 18, 2007 06:17 AM
