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Prev Professional Automotive Repair Technical Discussions for September 13, 2010
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Open Help Requests for Ford
Help Request Answers
1993 Ford Taurus SHO 3.0L No Start, extended cranking VIN: 1FACP54Y7P
Thank you to everyone for the help. This car was towed in for a no start/cranking problem - had good spark, but upon checking fuel presure it didn't have enough - about 10psi. Replaced the fuel pump and filter and car started. After it sat for a while and cool...
1995 Ford F-150 XLT 5.0L Unknown VIN: 1FTEX15N45
Cust brought truck in smoking very bad asking for rebuilt motor and trans.had trans rebuilt and bought rebuilt long block . Has low power on take off really bad when pulling a trailer. Replace cat and o2 sensor from oil fouling from old engine.all computer che...
2004 Ford Explorer XLT 4.0L MIL Lamp on VIN: 1FMDU75KX4
Got a weird one in the shop this morning. 2004 Ford Explorer came in with a Check Engine Light on steady. First we had quite a time getting a scan tool to even read the system. I ended up using a cheapo scan tool that I sometimes use to do a quickie check in t... Trouble codes: P1188 (TIP Sensor Performance), P1189 (TIP Sensor Low)
2006 Ford Ranger Sport 4.0L MIL Lamp on, failsafe mode VIN: 1FTYR15E46
Towed vehicle in because customer parked vehicle in parking lot for about an hour; no prior symptoms. When he came back to truck and started it, it went into failsafe; engine light came on and O/D light flashed. Barely moved on acceleration. When vehicle came ... Trouble codes: P0446, P0740, P0743, P0750, P0135, P0155
2005 Lincoln Navigator 5.4L monitor VIN: 5LMFU27565
Hello all. An '05 Navigator recently came into the shop with a "low tire" warning message on the display. A tpms sensor was found to be bad & replaced. It came back the next day with the same message. We re-trained the tpms sensors, & the display read "learn c...
1995 Mercury Grand Marquis GS 4.6L Lifters VIN: 2MELM74W0S
I hope someone out there has ran into this before, We have a 95, grand Marquis that is a no start. The customer stated that the car had sat for two years, and recently wanted to sell it so he tried to get it running again. Initially he said the car ran fine fo...

Fixes & Summaries for Ford
Fix/Summary Answers
2002 Ford Taurus LX 3.0L MIL Lamp on VIN: 1FAFP52U82
Thanx to all who responded. Steve from Ontario, Benjamin from California, & Tom from Georgia agreed & they were all right. It's tough to order a $600. PCM, but it fixed the problem. There was some drama, though. We had to have the dealer install the PCM due to... Trouble codes: P1504 (Idle Air Control Circuit Fault), P1477 (High Speed Fan Power Fault).
2003 Ford Expedition XLT 5.4L Alternator VIN: 1FMPU16L73
The vehicle is fixed. Thanks to Mohammad for the information. The system is a "Load Response Curve". This is done to prevent the engine from stalling when a heavy electrical load is applied. I finished it today, check for current drains, none found, road tes...
2004 Ford Explorer XLT 4.0L Misfire VIN: 1FMZU73K54
First i would like to thank all of you for so many prompt and intellegent responses. Turns out after a few days of time is the vehicles codes where history and it was causing the computer to shut off the injectors at higher rpms to prevent engine failure. We... Trouble codes: P0302, P0306.
2004 Ford F-250 Super Duty XLT 6.0L 4x4 system VIN: 1FTNW21P94
thanks to everyone for your ideas. as it turns out, the boo swicth had an intmt. short, new swicth veryfied problem would not occur again. god bless ford 6.0's
2005 Ford Ranger XL 3.0L Misfire, MIL Lamp on VIN: 1FTYR44U95
Thanks again to everyone. Most pointed towards valve issue on # 6 cylinder. Vehicle had such low milaege I remove valve cover and checked for valve issue and all valve hights where good also did running compression was good. so we did a good carbon soak & moto... Trouble codes: P0300 (P0306- Miss 6 cylinderf), P0306 (Miss 6 cylinderf).
2005 Ford Explorer Sport Trac XLT 4.0L fuel guage VIN: 1F38U77385
guys,i am sorry but i cant say i fixed this one.i diagnosed it with your superb help and information to be a bad cluster.i ordered parts,but the customer needed to use the truck till i got them.well guess what i never saw the guy again!yep,i got stood up!i tri...
2004 Lincoln LS 3.9L No comm with scanner VIN: 1LNHM87A74
Thanks to everyone for taking the time to reply. I wish I had a definitive answer but when the customer brought the car back in last week (because the mil lamp went on again). I started from scratch and hooked the modis up. Without hesitation the modis commu...
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