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Prev Professional Automotive Repair Technical Discussions for April 22, 2010
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1988 Ford Mustang GT 5.0L Failed Smog VIN: 1FABP45E7J
This car failed smog due to high Nox. Two years previous it passed with Nox numbers 295ppm@15mph and 320 ppm @ 25 mph. Not finding any fault with the engine or EGR we replaced all four converters. Nox Numbers are now 871 ppm @15 mph and 1235 ppm @25mph. Owner ...
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1993 Ford F-350 XL 7.3L convertor VIN: 1FDKF38M5P
truck came in with convertor lining ground up in the pan.burnt 3rd and low clutch.overhauled and new convertor.trans goes in to lockup and doesnt unlock with throttle movement.will pull rpms down till about 30 mph,then it unlocks and downshifts to 2nd.brake li...
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1997 Ford F-250 5.4L Front brakes VIN: 1FTFF27L9V
Gonna make this short and sweet. This state fleet truck came in with complaint of brakes dragging when taking off. Frt pads and calipers looked good. Rotors spin easily on rack. Rears had severe heat damage due to stuck PB cables. Replaced listed parts and dis...
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1998 Ford Explorer XLT 4.0L Poor Idle Quality, Misfire, MIL Lamp on VIN: 1FMZU34E5W
Here we are with this Explorer, was in other shop with the same codes, they replaced the coil and performed a full tune up, nothing changed. I did a leak down test to make sure the head gasket is ok since i see in the scanner misfire at cylinder #4 the most th... Trouble codes: P0300 (Random missfire), P0304 (Misfire 4)
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1998 Ford Expedition Eddie Bauer 5.4L Poor Idle Quality VIN: 1FMRU17L8W
This vehicle is driving me crazy. It idles very poorly but going down the road it runs fine. Compression in all cylinders is good. There are no codes and mode 6 shows no misfires. BARO reading is 26.03 inHg. MAF at idle is 7.40 g/s. Intake vacuum reading at id...
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1999 Ford Expedition XLT 4.6L Misfire VIN: 1FMRU1865X
This vehicle came in with an intermittent “misfire" which could NOT be duplicated. Mode 6 indicated #1 & #4 random misfires. Since the customer had recently purchased the vehicle, spark plugs & wires were recommended and replaced. The customer came back a few ...
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2000 Ford Windstar LX 3.8L compressor clutch VIN: 2FMZA5148Y
No AC Compressor operation. PCM not grounding AC clutch relay. Have checked operation to cluster, seems good no message from cluster to PCM is our suspision. Does anyone know how to definitivly test the cluster without a Ford scan tool? Modis picked up a coupl...
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2001 Ford Crown Victoria 4.6L Clock VIN: 2FAFP74W41
The dealer says the problem is in the radio itself, but they have never seen this before and almost admit they are guessing. There are 2 multi-pin connectors on the back, only one is plugged in. cannot say for sure if the other ever had a connector in it or no...
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2005 Ford F-350 Super Duty XL 6.0L MIL Lamp on, low power VIN: 1FDWF36PX5
Hello this truck lost power and the check engine lamp came on while towing a large load down a steep hill. It runs good on all of our test drives, boost looks normal. We cannot find any info for this code in any of our systems, it seems to skip this code. The ... Trouble codes: P0234, P0528
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2005 Ford F-250 Super Duty XLT 5.4L Hesitation, Misfire, MIL Lamp on VIN: 1FTSX21525
Please HELP!! I got the short straw on this one. This truck has been here every month for the last 3. The driver states it starts to misfire, then a cloud of back smoke,and a lack of power won't get over 30 mph. All of our guys have now messed with it. I perso... Trouble codes: P0191, P0452
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2006 Mercury Grand Marquis LS 4.6L ATC Controller VIN: 2MEHM75W76
This vehicle is in for it's third automatic temperature controller. Has anyone encountered frequent failure of the controller on Ford/Lincoln/Mercury vehicles?
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Fixes & Summaries for Ford
Fix/Summary Answers
1990 Ford F-350 Custom 7.3L direct clutch VIN: 2FTHF36N3K
Finally got it, when the client brought the transmission the computer was defect and the transmission was toasted, so i couldnt try correctly the trans. Well it seems the previous rebuilder didnt do is job correctly and the mitchell information is wrong for my...
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1992 Ford F-250 XLT Lariat 7.3L Hesitation, Surge, Cuts out VIN: 1FTHX26MXN
Well, we solved the problem in a matter of minutes and made a customer for life! thanks to all of you who supplied me with ideas! the Tach. sensor was contaminated with metallic debris and a simple cleaning and engine flush made me a new customer...thanks ag...
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1996 Ford F-350 XL 7.3L Poor Idle Quality, Surge, Misfire, heavy black smoke VIN: 1FTJW36F8T
thanks for all the replies it took some time to get a used idm there was no voltage to the right side to fire injectors once injector were firing 2 of them were not squirting oil from the oil deflectors removed them and found bad orings replaced and truck runs...
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1998 Ford Ranger Splash 4.0L speedometer VIN: 1FTZR11X0W
mornin fellow techs,what a snowball this one turned out to be.i redid the rear diff[all but ring and pinion],and she still flashed the tcil after 5mi.,but no more vss code snd no more abs problem.turns out there is a tsb for a bad tcc solenoid on the 5r55e tr...
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1999 Ford Ranger XL 4.0L Cuts out, Misfire VIN: 1FTYR14X3X
Thank you to all who replied. The client refused any further repairs. It seems that the response that made the most sense was the fuel tank pressure sensor. All of the issues came up after replacement of cannister vent solenoid. If the pressure sensor is the p...
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1999 Ford Ranger XLT 3.0L Poor Idle Quality, Misfire, MIL Lamp on VIN: 1FTZR15V7X
WELL THE CODE FOR 1 CYL MISSFIRE WAS ACTUALLY #5 MISSING.WE NOTICES #2 HAS SLIGHT MISS ALSO. TURNED OUT THE INTAKE GASKET WAS SPLIT AT 2 AND 5 CYL. CAUSING ALL THE PROBLEM. Trouble codes: 301 (1 cyl missfire), 1000 (obd2 test incomplete).
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1999 Ford Contour SVT 2.5L MIL Lamp on VIN: 1FAFP68G2X
Hello everyone and thanks for the help. The fix for this car was a replacement IMRC controller. This thing was over 300 bucks at the dealer and this cash for clunkers special was hardly worth a new air filter. I went to the junkyards near the border and fou...
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2000 Ford Explorer XLT 4.0L column VIN: 1FMZU63E7Y
hi guys dorcas here,first i would like to say thinks to all.i checked the brake sw with scantool ,switch works, id checked brake lights with ign.on.lights work fine,i replace shift interlock sol.that it,test drive vehicle its fine.thinks guys.
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2000 Ford Excursion XLT 5.4L Air suspension VIN: 1FMEU15L9Y
Hello everyone and thanks for the help. This vehicle had a bad relay and a corroded relay connector. The compressor, when engaged sounded like a piece of junk. The rear airbags were cracking up badly and on top of it the control unit(above and behind the ra...
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2001 Ford Taurus LX 3.0L Misfire VIN: 1FAFP55221
This car is gone, repaired, history. What we believed was going on from the start was we got the wrong injector from O'Reilly's, that lead to us wondering what the heck? We know we have spark and we knew we had injector pulse so why is it still misfiring? ... Trouble codes: P0303 (Missfire cylinder 3).
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2001 Ford Excursion XLT 6.8L scan test found codes b1352,b1681b1483,p0500,u2015 VIN: 1FMNU41S71
found wire to gear shifter on the colum rubbed through but not up by the shifter but down by the colum repaired the wire.
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2005 Ford F-250 Super Duty XLT 6.0L low power
We did a reflash and replaced cooling fan because speed sensor in cooling fan was inop last week. Last report it was working great! Thanks for all of your replies. Trouble codes: P0069 (map), P0299 (boost performance), P0403 (egr valve), P0405 (egr), P0528 (cooling fan speed sensor).
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2007 Ford Expedition EL Eddie Bauer 5.4L ABS Module VIN: 1FMFK18527
Unfortunately we have not fixed this vehicle. Lots of good information. Most address not only the speed sensors but also the tone rings which can crack. Dave from Ohio had good information. Removing the sensors and cleaning the mounting points and then paintin...
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1950 Lincoln Lincoln 5.5L Cooling Systems VIN: ABC1234567
This vehicle is not yet fixed and I expect it be a winter before done. Many people suggested to recheck the timing. It was told this was a problem in the 1950s. The engine is original miles of 48,000 and never been apart suggests possibly lots of sludge in the...
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2001 Mercury Sable GS 3.0L dumping fuel VIN: 1MEFM53UX1
EVERYONES SUGGESTIONS WERE GOOD BECAUSE ALL SENERIOS COULD HAVE CAUSED THE PROBLEM WE WAS HAVING. THE REPLY THAT HIT IT ON THE HEAD WAS MICHAEL FROM KENTUCKY. COOLANT WAS SEEPING AND CAUSING PLUGS TO FOUL. THE FUNNY THING ABOUT IT THE VEHICLE NEVER OVER HEAT...
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2003 Mercury Sable LS 3.0L Stall VIN: 1MEFM55S13
all replies were good,after scanning and scoping fuel pump amp wave,pids on scantool,mode six,identifix call and too much time i took your advice and returned the car to owner,it never acted up at all and i told owner that i wouldn't replace parts on a hunch,t...
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