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International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for January 6, 2006
International Automotive Technicians' Network (iATN) - Members Only
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Open Help Requests for Ford
Help Request Answers
1992 Ford Explorer Eddie Bauer 4.0L tachometer VIN: 1FMDU34X6N
hello all i have this explorer that the tach reads 3000rpm @ idle. the engine is at proper idle though. i have alldata but no breakout box or scope. is it possible to repair this without either? scanner shows normal rpm, timing is not fixed (varies w rpm) susp...
1994 Ford Explorer Eddie Bauer 4.0L No Start VIN: 1FMDU34X8R
Checked fuel pressure - no fuel pressure. It has spark and an injection pulse for the first crank. Once you crank it over the injection pulse and the fuel pump quits. Checked EEC relay, and fuel pump relay and tested good. Replaced cam sensor still problem exi...
1994 Ford Thunderbird LX 4.6L Excessive Emissions VIN: 1FALP62W0R
This vehicle came in for an I/M 240 emissions failure. check engine light was on. code scan revealed P0171/P0174 (LEAN air/fuel ratio bank 1&2) and P0402 (Excessive egr flow) MAF Baro was 126 Hz. our normal range in chicago is 156 to 159 Hz. We replaced MAF, E... Trouble codes: P0171 (lean air/fuel bank1), P0174 (lean air/fuel bank2), P0402 (excessive egr flow)
1995 Ford Aerostar XLT 4.0L Misfire VIN: 1FMDA41X8S
hi everyone pat from brians here i have a areostar giving me fits we got a rough idle and miss under load compression good on all cyl new plugs good wires good fuel press i started pulling wires of the coil pack one at a time trying to get a feel for a cyl to ...
1997 Ford Explorer XL 4.0L MIL Lamp on, erroneous data VIN: 1FMDU34X8V
Has anyone run into this problem other than me? the vehicle came in with the mil on and no drivability complaint. the codes were po171 and po174, bank 1 and 2 lean, the snapshot showed reasonably centered fuel trim(long and short term)and the baro on manfact... Trouble codes: P0171, P0174
1999 Ford F-250 Super Duty Lariat 7.3L Poor Idle Quality, Surge VIN: 1FTNX21F8X
I'm hoping someone out there can help. I checked for previous fixes to this problem with no luck. We are not a diesel shop but the boss doesn't seem to get it. He made promises and now I'm stuck. When this truck is cold at start up it starts good. As you head ... Trouble codes: P0275, P0476
1999 Ford F-150 Lariat 5.4L accessories VIN: 2FTRX17L1X
Vehicle came in with a groaning noise from front of engine. Noise is not present with the serpentine belt removed. Both the idler and tesioner pulleys had bearing noise evident and were replaced. Alternator was also substituted with a known good unit. Spinning...
1999 Ford F-450 Super Duty Lariat 7.3L No Start VIN: 1FDXF47F3X
Got this 7.3 that customer says it will not start hot sometimes, not all the time. I could not get the problem to happen, but got these codes in memory (p1209, p1211, p1212)also p1211 running code one time, did not return. I tried wiggling harnesses & connecto... Trouble codes: P1211, P1212, P1209

Fixes & Summaries for Ford
Fix/Summary Answers
1972 Ford Mustang 351CID engine harness VIN: 2F05Q20648
Thanks very much to all who answered my post. Sorry it took so long to respond. The information given was good enough to have the starting,charging and ignition systems back on track but could not get a diagram specific for the A/T neutral-safety switch becaus...
1994 Ford F-350 XL 7.5L Poor Idle Quality, Poor Fuel Economy VIN: 2FTHF36G7R
Well Fella's it's fixed. eight of twelve mentioned the fuel pressure regulator. I missed it completely. I ordered one just in case and when Bud came in today I pressure tested the old regulator and it was just sucking gas up the tube. Buds truck is back on the...
1998 Ford F-250 Lariat 5.4L Mechanical VIN: 2FTPX28L6W
Thank you for all the timely replies. The fix for this one was basic engine theory 101, and sometimes you just have to be man enough to own up to mistakes. I set the right side cam up 180 degrees out and no surprise the engine would not run, I mistook the cam ...
2001 Ford Crown Victoria 4.6L right front abs sensor VIN: 2FAFP73W81
thanks to all for your wonderful ideas! after careful inspection of this vehicle, i found corrosion on one of the wires going into the ebcm. called ford and they said no pig-tail was available. the customer is trying to sell the vehicle and does not want to se...
2001 Ford Windstar 3.8L MIL Lamp on VIN: 2FMDA5142B
Thanks for the information, the DPFE sensor was stuck at 4.85 volts with engine running @ idle, or snap throttle never changed. Checked VREF and ground at DPFE sensor ok, When sensor was unplugged voltage went to 4.98 volts. Replaced sensor checked operation o... Trouble codes: P0401.
2002 Ford Focus ZTS 2.0L Steering angle sensor VIN: 1FAFP38392
We got some good replies back and fortunately the system seems to have reset itself. We got back in contact with the customer to get an update and the customer told us the light had gone out. Thank you for all of the responses and valuable information. Sean Bl...
2002 Ford Explorer XLT 4.0L Poor Idle Quality VIN: 1FMZU73K12
We have taken some advise from the replies - we removed the injectors and had them ultra-sonically cleaned and then also cleaned the mass air flow - reassembled and test drove - runs much better and customer believes engine is running much smoother - Thanks ...
1989 Lincoln Town Car Signature 5.0L Hesitation, Surge, Stall, Misfire VIN: 1LNBM82F6K
Thanks all you iATN tech. The problem was the TFI, that started to act up after getting warm. When looking at all the replys, it seems to be a popular problem with the 5.0L. Thanks you all again for another great fix, by the iATN techs.
1995 Mercury Grand Marquis LS 4.6L Poor Fuel Economy, MIL Lamp on VIN: 2MELM75W2S
Well, the ones who said to pull the t-body housing and clean the passage are the big winners. Id thank you all personally but about 25 of the thirty replies said to pull the t-body. Once we got into tthe t-body the horseshoe shaped passage was plugged solid. W... Trouble codes: P0401 (egr insufficient flow).
1995 Mercury Mystique LS Young America 2.5L No Start VIN: 1MELM66L1S
hello I want to thank everyone at atn who helped with this problme. there is a recall for the complete wiring harness replace for the vech. it is good for 10 years or 160,000KM. The wiring's insulation becomes brittle and falls off the wires causing shorts of ...
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