Low idle
Low idle
Senior User
Joined: Mar 2008
Posts: 360
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What is too low? Mine idles at about 700. But if its dieing on you then the PCM needs to be reset. You can not manually adjust your idle speed. Have you tried disconnecting your battery for about 30 mniutes? If not disconnect battery, turn on headlights for 10 minutes, leave battery alone for 30 minutes. After you reconnect battery your PCM should be back to stock level. It will take a few days for your PCM to relearn your driving habits but it should work
New User
Joined: Oct 2008
Posts: 1
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vac hose
Just got my F150 S Crew Lariat with 5.4l out of shop for same problem.
they replaced throttle position sensor, o2 sensor, all the common stuff, with no results. then they repaired a vac hose off the back of the intake and voilla. works good now.
hope this helps.
2004 F150 Super Crew Stock so far
they replaced throttle position sensor, o2 sensor, all the common stuff, with no results. then they repaired a vac hose off the back of the intake and voilla. works good now.
hope this helps.
2004 F150 Super Crew Stock so far
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Pastmaster
1980 - 1986 Bullnose F100, F150 & Larger F-Series Trucks
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Jun 7, 2001 11:44 AM
