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Old 02-22-2011, 06:33 PM
dryin dryin is offline
florida cracker
Join Date: Nov 2010
Posts: 543
Default question

my truck when you first start it the idle fluxuates from about way low rpms to about 2500 rpms . but when you put it in gear it stops. could this be my MAF? or got any ideas?
2007 F150 FX4
5.4 trition
train horns
fabtech bumper with 3 kc

1995 ext. cab ranger
4x4 automatic
4in pipe bumber in rear
cop push bumper on the front
roll bars
30x9.50r15 wild country a/ts
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Old 02-22-2011, 09:32 PM
sgtsandman sgtsandman is offline
Tank Diver
Join Date: Mar 2010
Posts: 3,078
Default Re: question

It sounds like you IAC valve is gummed up. Cleaning it with throttle body cleaner helps some times.
Sgtsandman's Work in Progress
2011 Ranger XLT, 4X4, 4 door Super Cab. 4.0L, 5 Speed M50D-R1HD, 3.73:1, 8.8" open differential, Jason Pace cap
1999 Honda CR-V EX, RT4WD, 2.0L, 5 Speed MT, 4.56:1, open differential
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Old 02-22-2011, 10:06 PM
Rangeron35s Rangeron35s is offline
Ford Ranger Owner
Join Date: Jan 2011
Posts: 68
Default Re: question

My 01' Ranger did that and I replaced my EGR valve and my truck was fine after that. I got the part for $45 new and took me 15 min to install.
Murdered out 09' Ranger SLT Supercab 4x4 4.0 V6: 10" of lift...And blah blah blah.
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Old 03-02-2011, 10:30 AM
pcityranger pcityranger is offline
Ford Ranger Driver
Join Date: Feb 2011
Posts: 1,206
Default Re: question

IAC (Idle Air Control), use carb cleaner or throttle body, same thing. Use a cue tip and swab out the inside and it should run good as new.
2004 4.0 4x4 5spd xlt with 175k 4.10 axles, extended cab, cranked t-bars (not maxed), painted black interior, 32x11.5x15 bfg a/t and procomp steel rims
60/40 mod with a shorty console
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