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Prev Professional Automotive Repair Technical Discussions for January 7, 2009
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Open Help Requests for Ford
Help Request Answers
1986 Ford LTD Crown Victoria LX 5.0L Poor Idle Quality, Surge, Poor Fuel Economy VIN: 2FABP43F1G
Working on a 86 Crown Vic. 5.0. Bad surge, low idle to 1800. Replace idle air controler, 02 sensors, map sensor, ignition pickup, ignition module. Has good fuel pressure. Cleaned EGR and everything around throttle plate and MAF. Truely has all of us scratching... Trouble codes: 12 (low idle speed), 41 (system lean), 91 (02 lean)
1989 Ford F-250 Custom 7.5L Starter VIN: 1FTHF25G4K
This truck came in for no crank when hot. We replaced battery positive cable to relay & negitive cable to block. It starts fine cold , when warm it tries but wont turn over.Truck is not overheating & everything looks OK. I remember years ago having starting pr...
1996 Ford Aerostar XLT 4.0L Unknown VIN: 1FMDA41X5T
Help Ford Techs! This Aerostar will peg the oil pressure gauge when started cold after we did an oil change with a FL1A oil filter and 5-30 oil. After 3-5 minutes it drops back down to normal. This is a long time customer that will be dropping the van off for ...
1998 Ford E-350 Econoline 7.3L Possible ABS unit? VIN: 1FDWE30F7W
Hey guys, we have an ambulance that the brakes work fine unless you set and idle with the brake pedal held down. It slowly bleeds down. We have replaced the rear brake shoes, front brake rotors and pads, and master cyl. We have bled the brake system to death a...
1999 Ford F-250 Super Duty XL 7.3L injector sleeves
hello,and thanks in advance for any help.this power stroke came in w/fuel in the coolant bottle. i found many helpful posts in the archives regarding injector sleeves.i was unable to isolate the leak to a particular head using any of the methods i read about,s...
2000 Ford F-150 Lariat 5.4L Excessive Emissions, Poor Idle Quality, Stall VIN: 1FTRX18L2Y
thanks in advance folks. we have had this F150 in a couple of times. customer states that vehicle stalls when cold, at stop signs it idles rough, check engine light on. i did verify these conditions. outside air temp is around 10 degrees. vehicle sat over nigh... Trouble codes: P0171, P0174
2000 Ford Expedition XLT 5.4L transmission VIN: 1FMU18POTY
hello trans guys , i am out of the shop for two months and will only have a scanner next week . no information system is available right now , so YES , i'm looking for the magic bullet for a very good friend , or at least the proper direction to go the o.d....
2000 Ford Ranger XL 4.0L Excessive Emissions, Hesitation, Surge VIN: 1FTYR14X9Y
This vehicle has a hesitation and terrible bucking at quarter throttle only.When unplugging the cam sensor the problem goes away.I always have a code P0340 PO172 AND P0175.I replaced the cam sensor and adjusted it properly.I scoped checked the cam sensor and i... Trouble codes: P0340, P00, 172 (bank 1 rich), P0175
2000 Ford Focus LX 2.0L Battery Light VIN: 1FAFP33P4Y
I have No Hair Left. I have problem with lights flickering and battery light comes on. Tested Alt on car. When I start up car alt charges 13.3-14.6 Good Amps. Let run A little bit and all of a sudden alt starts charging 12V to 15.9 all over the place. Lights f...
2001 Ford Taurus SE 2-Valve 3.0L Poor Idle Quality, Cuts out, Misfire VIN: 1FAFP55U81
Please bear with me on this one. Car came in for surging at idle. Test drove and felt nothing wrong. Check for codes, found none. While checking data I decided to turn on the heater. All of a sudden the engine started surging. I turned heater off, engine stop ...
2002 Ford Focus SE 2.0L filling up VIN: 1FAFP34P52
the car came in with a hard to fill gas tank the pump would stop all the time i found that the filler neck flap was jammed up replace the filler neck the car was good for about 2 weeks just came back today i have looked at the tank system cant see anything wro...
2004 Ford Focus ZX3 2.3L MIL Lamp on VIN: 3FAFP31Z84
This Focus is lean and setting P0171 Lean Exhaust. Engine runs OK, has smooth idle. At idle MAF is 3 grams sec (.78v), +11% LT fuel trim. At 3,000 RPM no load MAF is 8 grams sec (1.4v), +26% LT fuel trim. Did a smoke test and found no vacuum leaks. Fuel pressu... Trouble codes: P0171 (Lean Exhaust)
2005 Ford Explorer XLT 4.0L blower speed VIN: 1FMZU73K65
This Explorer does not change blower speed from 2 to 3. It does have low and high speed and it appears to have the 2nd speed but the 3rd speed does not change. This is the 2nd Ford that has given us this problem. This vehicle does not have an EATC system. We t...
2006 Ford Freestyle Limited 3.0L Heated Seats VIN: 1FMZK06166
Dear ford techs, I have this Ford Freestyle in our shop. Was brought in for an oil change, then when customer dropped off, asked if we could check the heated seat not working on the drivers side. I have started running the test chart, but can't go further toda...
2007 Ford Taurus SEL 3.0L Starter VIN: 1FAFP56UX7
Hi fellows, This car intermittently doesn't crank but I cannot duplicate. The battery test good and starter always sounds good when I am checking. The customer states it doesn't make a sound when not cranking. I don't have a scan tool to check for theft codes ...

Fixes & Summaries for Ford
Fix/Summary Answers
1994 Ford Ranger STX 4.0L Transfer Case VIN: 1FTCR15X6R
Thank you guys for the input . Although I did not get this vehicle fixed due to customer funds issue , I do believe that a motor assy. would have fixed it . The part I suspect as bad is the position sensor . Trying to follow the chart as to which position the ...
1999 Ford F-250 Super Duty Lariat 7.3L High Exhaust Temp VIN: 1FTNX21F7X
thanks to every body that helped found the exhausted back pressure control valve rod fell off repaired with new clip problem solved Trouble codes: P0605 (Internal PCM error), P0476 (Exhaust Pressure Control Valve Performance), P1249 (Turbo Waste Gate Performance).
2000 Ford Contour SE 2.5L No Start, MIL Lamp on VIN: 1FAFP66LXY
thanks for the help guys. i got some good responses on this one. because of the cam sensor code, i replaced the cam sensor just to be safe, although this may have been a false code caused by long cranking times. it was cheap and easy. i did a complete tune-up,... Trouble codes: P0340.
2004 Ford F-150 FX4 5.4L Starting VIN: 1FTPX14574
Ended up being the fuel pump driver module that was causing all of the problem. Not sure exactly what was going on but it would not allow my scan tool to communicate with pcm nor would the truck crank over. It's fixed now with the module replacement. Thanks fo...
1993 Lincoln Town Car 4.6L Misfire VIN: 1LNLM81W2P
Thanks to all for the suggestions. Went back to the basics & started to find some VERY unusal test results, i.e. compression readings. I originally had 120 across the board. During the second test, readings began to change. Cylinder 3 went from 80 to 180 to 0 ... Trouble codes: 332 (Insufficient flow egr koer), 10, 50, 60 (cylinder 1 56 balance test).
2006 Mercury Grand Marquis LS 4.6L control head VIN: 2MEFM75V46
a new heater control head fixed it. Thanks every one for your help!
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