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natecvbcoates
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• lusby, MD, USA |
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• Registered on 8/16/2010 |
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• 2 posts |
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 Posted:3/28/2011 07:34 |
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i have a 2001 police pkg and it idles rough when sitting still but once i take off going down the road it rides fine any suggestions anybody |
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wizzard1222
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• Ballwin, MO, USA |
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• Registered on 1/27/2011 |
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• 139 posts |
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Posted:3/28/2011 13:20 |
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Not being the sharpest tool in the shop....I have found that the 1st best start is.....Pulling the OBD2 codes....free @most parts retailers like AZ, OReillys, PepBoys or Advanced....etc..... 
Since the 1990s when everyone (GM-FoMoCo...etc) went to engine sensor w/PCMs --ECM\\s...& federal law on OBD2 (1994 ?)....  It's a guessing game how these sensors will interaction w/the PCM-ECMs (vehicle computer)....just read the possible code definitions.... 
The old days of a brief description...that could be addressed by talented 'shade-tree mechanics' on carbs, distributor caps, dewell settings, plug-n-wires....etc.... There GONE...unless you own one of these 'later models'..... |
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jdmeaux
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• Lafayette, LA, USA |
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• Registered on 1/5/2009 |
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• 525 posts |
• 1 Vehicle
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Posted:3/28/2011 17:56 |
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Get the OBD codes pulled and read....if you don't have a meter to read them (they only cost about $50 for a simple reader), AutoZone, O'Reilly's, Advanced Auto all do this for free. You have to find out what the computer is trying to figure out so you can figure it out. And search for the code and explanation online...GOOGLE it...some codes are vague in their explanations.
I had a code for a "lean O2 Sensor #2"..AZ told me it was the oxygen sensor on the drivers side (the last sensor after the cats).. I googled the results and found out that most people said it was the MAP sensor that was dirty. I sprayed it with contact cleaner (non residue) and the code has never come back.
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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
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