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International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for May 19, 2011
International Automotive Technicians' Network (iATN) - Members Only
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Open Help Requests for Ford
Help Request Answers
1987 Ford Ranger XLT 2.9L high idle VIN: 1FTCR14T2H
On first start in a.m. is normal . After engine is run and up to operating tempature on restart idle goes excessively high. If ignition switch is cycled off real quick engine will idle normally. Any help with this problem would be greatly appreciated.
1992 Ford Ranger Custom 4.0L Poor Idle Quality, Misfire, MIL Lamp on VIN: 1FTCR1OU4N
Customer complains check engine comes on dim and will brighten up on acceleration. Customes is right, it does this weird thing. We checked and cleaned all the grounds we could find, replaced MAF sensor. Still runs the same, when light is acting up engine runs ...
1993 Ford Ranger XLT 4.0L Excessive Emissions, Poor Fuel Economy, MIL Lamp on VIN: 1FTCR14X3P
Hey techs, I've got another headache here. Another shop tuned this one up, replaced maf & replaced o2 sensors to try and fix this one. It's running RICH. It runs better w/ maf unplugged...that's how they got it here. We back probbed the pcm & got 3.2v on the m...
1998 Ford Expedition Eddie Bauer 5.4L Misfire VIN: 1FMPU18L6W
truck came running rough at idle and missing when driving,missing bad when it shifted into overdrive at low speeds.I found the pcv vacume manifold elbows were bad and replaced which fixed the rough idle,but still had the miss under load.I tried mode 6 test 51 ... Trouble codes: P0304
2001 Ford Escape XLT 3.0L battery light VIN: 1FMYU04121
Hi, I have this 2001 esxcape. The customer states that randomly the battery light illuminates on the dash. I have verified this concern, and the vehicle is actually charging when this happens, at about 13.8V. Another shop told her that she needed a cooling fan...
2002 Ford E-350 Econoline Club Wagon XL 7.3L No Start, Poor Idle Quality, Hesitation, Surge, Cuts out, Stall, Misfire VIN: 1FTSS34F12
Hi, I need help on this 7.3 Diesel. I appreciate anything you can do for me, I am not a diesel shop and only work on them doing basic service so my diagnostic skills are weak and I have relied on iATN for all of the tests I have done to this point. This van wi...
2004 Ford Freestar 3.9L Poor Idle Quality VIN: 2FMZA57234
This van had a dead miss about 2 weeks ago. Scanned and found cly #3 missfire code. I recommended a tune up being that it had never been done with over 176,000 kms. So today it comes in with new plugs and wires and running better, but not 100%. This engine dos...
2007 Ford Focus SE 2.0L Hesitation, Surge, Stall VIN: 1FAFP34N47
customer came in for spark knock ,miss fire and lean code . after testing and driving found the maf was low replaced. car was fine 3 weeks ago. car came back today with a spark knock so bad it seems like the motor will come apart. the baro herz are 158, vac 22...
2007 Ford Ranger XLT 4.0L MIL Lamp on VIN: 1FTYR44E47
Hope someone can give me some ideas--this ranger keeps setting lean codes the short term fuel trim starts to climb as soon as the engine runs long trim will climb to 20 just sitting and idling-this is after kam has been reset--smoke tested no leaks found pinch... Trouble codes: P0171 (Bank 1 lean), P0174 (Bank 2 lean)
2005 Lincoln LS Sport 3.9L Misfire, MIL Lamp on VIN: 1LNHM87A14
Hello all! This vehicle came to me with a misfire, above stored codes and has been at another shop for repair. They were unable to repair it. The misfire occurs always and will set above codes at idle, has a hard misfire on cylinder #6 at idle. What confuses ... Trouble codes: P0353, P0356, P0357, P0358
2003 Mercury Mountaineer 4.6L Stall VIN: 4M2DU86W73
problem only happens when no throttle applied at all. doesnt matter if ac is on,no load, or foot on brake in gear, occurs in all. have scoped injectors and cop's while idling all ok. crank sensor new, waveform looks ok. problem not in iac motor. noticed vehicl...

Fixes & Summaries for Ford
Fix/Summary Answers
1991 Ford Bronco XL 5.0L Excessive Emissions, Poor Idle Quality, Hesitation, Cuts out, Stall, Misfire, Poor Fuel Economy VIN: 1FMEV15N2M
We checked everything that was suggested to no avail.We got another truck and swapped parts from it-also to no avail.We found a ro from local ford dealer that was dated prior to engine replacement for a miss in engine.They found #5 cyl. misfire due to low comp...
1998 Ford Ranger XL 2.5L trempeture gage VIN: 1FTYTR10C7
thanks everyone ho help me whith your tips ,it was usefull ,vehiculo it is not repair a 100% bat it is bether , the temp gage is not droping down to cdold , gous up to center an the drop to litlee above quarter..customer did not want to continue ,it was left t...
2001 Ford Crown Victoria Police Interceptor 4.6L No Start VIN: 2FAFP71W31
Thanks for all the help. Started with Douglas from Ontarios rec: He said to check PCM pin 55 Yellow/Black. +12 all times not present. Then PCM pin 71 red/ KO +12 not present. Found A better wire diagram. Found a bypassed wire to eec relay. Had power out of ...
2002 Ford Explorer Limited 4.6L No Start, Misfire VIN: 1FMDU75W82
After extensive wiring checks, the crankshaft sensor connector was the problem. Fan blades broke and cut wire inside conduit. On top of all this, the cats came apart and stopped up #3 cat restricting exhaust. Thanks for all replies guys.
2006 Ford Freestar SE 3.9L Hesitation, Misfire, MIL Lamp on VIN: 2FMDA51616
I cannot fix what is not broken.This engine has run perfectly since day one.I released the vehicle back to the customer and so far 5 days later it still running perfectly.I will repost when problem resurfaces.All responses were noted and will be checked upon a... Trouble codes: P0171 (Lean bank 1), P0174 (lean bank 2), P0511 (IAC error), P2195 (O2 signal biased stuck lean bank 1), P2197 (O2 signal biased stuck lean bank 2).
2003 Lincoln Town Car 4.6L abs VIN: 1LNHM81W93
Hello, Thanks for the input. It turned out to be a bad ABS module. Installed a new on and test drove numerous times, problem appears to be fixed.
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