Member
My Check Engine Light keeps coming on when I WOT? I've replaced the I.A.C. Motor with a OEM Motor Craft one. The light went out but keeps coming on again. When I hook up the scanner it always says the same thing. I.A.C. Motor RPM too high? Just wondering if anyone has had the same problem?
S/C 20" MINI TUBBED WHEEL GUY!
After you replaced the iac did u disconnect the battery for a few minutes to clear the trouble code from the ecm?
04 MERCURY MARAUDER build date:02/11/04ITS ALIVE !!!!!!!!
STAY TUNED!!!!!!!!!!
**WHIPPLE 4.0L CRUSHER!**0000 (FOR NOW) RWHP
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Senior Member
What is your actual rpm at idle in D and N?
11.931 @ 116.33 (MT ET Streets)
12.073 @ 118.43 (Nitto 555)
I love the smell of Nitromethane and rubber in the morning!
Drag racers prayer:
As I lay rubber down the street, I pray for traction I can keep, but if I spin and begin to slide, please dear God protect my ride." -Amen
Member
Yes, I cleared it with a scanner, I also have unpluged the battery over night.Originally Posted by MOTOWN MARAUDER
Senior Member
Whats the actual mileage on your car? Just wondering if your intake may be dirty and the ports for the IAC are clogged or have build up to the point where it may act similar to a bad IAC.
04 SB MM RIP 4/24/09
Number 553 of 3213 04s, 208 of 993 Silvers 04s
03 SB MM (the new girl)
Born 5/15/2003, Adopted 7/17/09
Number 7458 of 7838 03s, 225 of 417 Silver 03s
Mods: K&N CAI, 180° stat, SW headers, custom 2.5" h-pipe exhaust from headers to tips w/Dynomax VT mufflers, Part of the Art Carr Stage 2 tranny kit, rebuilt with Alto Black bands and clutches, deep transmission pan, big ass trans cooler, PI 3.5k rpm Triple disk TC, Dynotech 4" driveshaft, Metco Drive shaft loop and rear CA's, Addco front and rear sway bars, just a bit of powder coating, stock size performance brake upgrades, QA1 shocks in the rear with KYBs in the front, and replaced every stock suspension bushing. Tuner's Inc tuned 298 rwhp/306 rwtq.
Member
Ok in N its at 900 RPM, and in drive its in between 600 and 700 RPM.
Senior Member
I doubt it's your IAC then. That 900 will drop as it relearns also.
11.931 @ 116.33 (MT ET Streets)
12.073 @ 118.43 (Nitto 555)
I love the smell of Nitromethane and rubber in the morning!
Drag racers prayer:
As I lay rubber down the street, I pray for traction I can keep, but if I spin and begin to slide, please dear God protect my ride." -Amen
Member
Well when I first start the car the RPM is about 1100 then it takes about 15 sec. To drop to 900.
Member
I think maybe the TPS is bad?
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