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Forums > Car and Truck Make and Model Specific > Crown Victoria, Marauder, Marquis
94mgm4.6 with fast idle
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blackmgm
• toronto, XX, Canada
• Registered on 1/22/2013
• 5 posts
Posted:1/22/2013 18:08
hi there,got a 1994 mgm with 4.6 ltr.90,000 miles on it.on start up it will turn around 2200 rpm,can hit gas and will settle down to around 880.while driving at hwy speed will not back off till i slow the car down to under 40 mph and give it a poke on the pedal then it drops down to around 800.at first it gave me a code for temp sensor out of range so replaced both,replaced maf with new......am told it is now either tps or iac anyone help thx
jdmeaux
• Lafayette, LA, USA
• Registered on 1/5/2009
• 525 posts
1 Vehicle
Posted:1/22/2013 18:52
You can go to www.crownvic.net and search on how to clean an IAC. Try that first. If no luck, replace TPS.

*******************
PROUD MEMBER of www.crownvic.net

It's just a SUPER-DUTY Mustang GT Sedan. 198K miles and still rolling HARD.

1997 Crown Victoria P71 SVT *** ex-US Marshall service (the CAR)
STOCK?? I bet it was modified.

13.26 @ 107.24 MPH 1/4 mi w/ me, tools, & full tank of 93 octane

I added CAI, NICHE 19 X 8.5 " wheels with 245/45ZR 19 rubbers, and completely rebuilt the front end with poly bushings, Kooks headers, 2 1/4inch exhaust, TCI 2200-2400 rpm Stall converter

.PLANS:: engine upgrade, 5.4L 2v stroker, rebuild interior in leather w/ buckets, thinking about turbos

blackmgm
• toronto, XX, Canada
• Registered on 1/22/2013
• 5 posts
Posted:1/23/2013 01:14
thanks man ,will try this weekend rjc
Forums > Car and Truck Make and Model Specific > Crown Victoria, Marauder, Marquis
94mgm4.6 with fast idle
Thread Statistics:     Users to Post: 2   |   Total Posts: 3   |   Total Views: 397
You must be logged in to post in or subscribe to this thread.Pages: 1

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