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Prev Professional Automotive Repair Technical Discussions for March 5, 2008
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1992 Ford F-250 Custom 5.8L Poor Idle Quality, Hesitation, Surge, Stall, Misfire, Poor Fuel Economy, MIL Lamp on VIN: 1FTHX25H1N
Truck came into the shop about a month ago for tune and exhaust leak. tuned and installed manifold gaskets. Came back a week ago with check engine light and stall and long start complaint. long start was due to bad distributer andignition module. check eng lig...
1993 Ford F-150 XL 4.9L Excessive Emissions VIN: 1FTDF15Y3P
i check everythings seen to be woring great. had any one see this problem before? this problem drives me nuts. any advice, thank you
1995 Ford F-350 Special 7.3L throttle VIN: 2FDKF38F6S
hello i have a problem with this diesal hoping one of you can help me out when you are driving down the road and let off the gas pedal sometimes when you push back on it there will be nothing will just coast like your not even pushing on the pedal..i ...
1996 Ford Explorer Eddie Bauer 4.0L shift motor VIN: 1FMDU34X4T
THANK YOU Well for starters this explorer when first started or just in key on possition t-case trys to cycle some times it works ok others it will kick out of reverse and grind inside of gem looks ok no water marks or burnt spots wiring looks ok replaced t-ca...
1997 Ford F-150 4.2L Poor Idle Quality, MIL Lamp on VIN: 21VKC29450
cust. complaint check eng. lite on. dtc stored in these order p1537 (IMRC stuck open B1), p0135 (o2 bank1s1 heater), p0141 (o2 bank1s2 heater), p0155 (o2 bank2s1 heater), p0161 (o2 bank2s2 heater). cust had all 4 sensors replaced with dealer parts. i chk. pwr ... Trouble codes: P0155, P0161, P1537, P0135, P0141
1998 Ford F-150 XL 4.2L MIL Lamp on VIN: 2FTZX1727W
Hi iATN, thank you in advance for taking the time to help. I have a '98 F-150 4.2L V6 with a memory code P1538 IMRC Bank 2 Stuck Open. I have inspected the linkages, everything is connected. I have test for vacuum at both IMRC valves. 22" at start up is presen... Trouble codes: P1538 (IMRC Bank 2 Stuck Open)
1998 Ford Ranger Splash 4.0L MIL Lamp on, P0171 & P0174 VIN: 1FTYR14X2W
After replacement of MAF & bank 2 O2 sensor, MIL returns same codes after 2nd drive cycle. PCV valve, dip stick, vacuum hoses, EGR valve all seem to be okay. No exhaust leaks. No knowledge of vapor management system, no test procedures available. Customer stat... Trouble codes: P0171 (Air fuel ratio too lean bank 1), P0174 (Air fuel ratio too lean bank 2)
1999 Ford Taurus SE 3.0L MIL Lamp on VIN: 1FAFP53SXX
This car keeps blowing fuse 28 intermitently. I have inspected the wiring to the sensors and vent control solenid w/ no sign of a problem. All the 02 sensor heater ckts ohmed out between 6-7 ohms the vent solenoid ohmed out at 65 ohms everything looks good any... Trouble codes: P1451, P0135, P0155, P0161
1999 Ford Ranger XL 2.5L valve train VIN: 1FTYR10C1X
This truck has me knocking my head off. came in due to a MIL on. found had P0301 misfire cylinder#1. scoped ignition and found normal good spark and normal firing voltages and times, nothing abnormal. engine running ok at idle very smooth and drives ok. but wh...
2000 Ford F-350 Super Duty Lariat 7.3L No Start, Stall VIN: 1FTWW33F2Y
Weel guys here I am again, looking for help I'm working in a 7.3 ford diesel & found contamineted diesel (coolant in the fuel filter bowl) I'm not a diesel Technician but decide to give a try to fix this truck and just trying to figure out where is the most co...
2001 Ford E-350 Econoline 6.8L No Start VIN: 1FTSE34SX1
driver called in said it died in flight drove about 100 feet off the road died again towed into our shop. good spark good fuel pressure no injector pulse will run on ether. Tried a known good crank sensor and cam sensor and a known good pcm to no avail.Put all... Trouble codes: P0230
2001 Ford Explorer Sport 4.0L vacuum system VIN: 1FMYU7041U
This vehicle is in the defrost default. I have two vacuum lines 1 black 1 grey coming form under heater/ac box both going to the vaccum reservoir. I found a red vacuum line coming from left side of plenum going around right side which is not connected. The vac...
2001 Ford F-150 XL 5.4L convertor VIN: 2FS4983110
TRANS WIZZARD NEEDED no lock up,new soliniods and convertor. tcc control circuits verified good. computer is comanding tcc to apply and solinoid activates. must be internal trans fault but were to look first. is vaulve body common fault. no other problems with...
2002 Ford Taurus LX 3.0L Misfire, low compression VIN: 1G2WP12K2X
this car came in my shop with a miss. i ran a scan on it and came up with cylinder 2 missfire. i checked wires and coil but everything was ok so i pulled out the plugs and found the porcelin on the electrode on the plug was broke so i put new plugs in. this di...
2002 Ford F-150 XL 5.4L programing VIN: 1FTRWO73O2
ooo great and resourcefull minds of iatn. Now that i have you're attention lol. I have installed this 2002 lightning motor and trans into a 1995 ford f 150 flare side for a customer/friend the problem i am having is that the pcm provided from the auto wreckers...
2003 Ford F-150 Lariat 4.6L air bag VIN: 2FTRX18W13
BOth air bags were deployed---body shop changed them. Has a seat belt code both sides--retractors funny thing is both seat belts go back like they should. What i read in the fix archives the belts should stay out if the retactors have been deployed--- please ...
2003 Ford F-250 Super Duty Lariat 6.8L Stall, VIN: 1FTNX21SX3
hey guys here is one for ya. came from another shop. customer states that vehicle will just quit like key was turned off, still has all lights and power, sometimes will restart right away and sometimes only after setting for approx. 5-10 minutes. no codes. may...
2003 Ford F-250 Super Duty Lariat 5.4L Unknown VIN: 1FTNX21L23
when you lock in the front hubs and leave it in 2wd and make sharp turns left and right it make a clucking noise like the front axle joints are binding changed the above parts and front end fluid and transfer case fluid. wondering if maybe in t case but not su...
2003 Ford Ranger XL 2.3L No Start VIN: 1FTYR10D43
first of all, i want to say thanks in advance for the your time, hope somebody had this problem before. this ranger came in towed with a cranks wont start problem, we could never duplicate customer complaint at work. we replace IAC valve because idle won't go ...
2004 Ford Crown Victoria 4.6L No Start, MIL Lamp on VIN: 2FAFP71W34
I got this police car in and freeze frame indicated starving for fuel and 100% load in CL. Noid injectors no fire, noid coil they are firing, fuel pressure 40 koeo. I dont quiet understand this new system seems simple but confussed. I no my pcm tell PFDM to ... Trouble codes: 1233 (fpdm)
2006 Ford F-150 XLT 5.4L No Start, Poor Idle Quality, Hesitation, Surge, Cuts out, Stall, Misfire, MIL Lamp on VIN: 1FTPW14546
Hey guys. I need some help with this truck. Customer came in with this truck barely running. Bogging, stalling, no power, missing, running like crap. Customer tells us that he had no oil in the engine the other day so he added about three quarts of oil. I mana... Trouble codes: P0300 (Random Misfire), P0304 (Cylinder 4 Misfire), P0316 (Misfire Detected on Startup), P1336 (Crank/Cam Range/Performance)

Fixes & Summaries for Ford
Fix/Summary Answers
1990 Ford F-150 Custom 5.8L Poor Idle Quality VIN: 1FTEX14H8L
This truck had 2 seperate problems. I sold both the IAC and the TPS to the customer, and replaced the IAC first. Voila, the low idle was gone, but the TPS code still set. Replacing the TPS brought the WOT voltage up to 4.6 volts, more where you expect to see i... Trouble codes: 23 (TP/FIPL Sensor out of range), 26 (MAF/TOT Higher or lower than expected), 67 (PNP or Clutch switch circuit failure).
1994 Ford Explorer XL 4.0L intake gasket VIN: 1FMDV34X9R
Well first thank you all for the responses. I did the leak down test and check for over heating. Drained the oil and left plug off. With pressure on cooling system would continue to get a drip out of oil drain plug. Pulled intake and checked gasket and for war...
1994 Ford E-350 Econoline 7.5L Poor Idle Quality, Cuts out, Misfire VIN: 1FDKE30G3R
My humblest thanks and my gratitude to all that assisted in finding the cause of this hair puller. There were alot of good suggestions. The root cause of the problem was a failed ECM. Replaced the ECM with a rebuilt unit, the glitches disapeared, clean wavefor...
1995 Ford Taurus GL 3.0L erratic trans shifting VIN: 1FALP57U8S
Customer has not returned the vehicle to me as of yet but said he would have his wife drive it on local low speed trips in order to see if any thing changes. I dont think PCM replacement was a mistake because the previous codes did not return before I gave veh...
1997 Ford F-350 XL 7.3L No Start VIN: 1FTJW36F7V
Thanks to everyone who responded. The majority of people said that it was most likely the IDM. After completing resistance tests and determining that there were no wiring problems the customer elected to buy a used IDM. I installed it yesterday and the truck r... Trouble codes: 0478 (Exhaust pressure control valve high), 0470 (Exhaust backpressure sensor circuit malfunction).
1999 Ford F-250 Super Duty Lariat 5.4L Hesitation, Cuts out, Stall VIN: 1FTNF20L2X
Thank you everybody for all the help, it finally set a code for ignition coil. After messing around trying to find which one or ones finally replaced all coils & problem solved.
1999 Ford E-150 Econoline 4.2L MIL Lamp on, fails emissions
First I want to say thanks for the replies!!! I never learn! I pulled intake and found 2 clogged ports put it back together hooked up scan tool to look a dpfe voltage with egr activated no change engine stalled so i knew ports were clean! Voltage @ dpfe senso... Trouble codes: P0401.
1999 Ford Escort ZX2 Hot Coupe 2.0L Poor Idle Quality, Cuts out, MIL Lamp on VIN: 3FAKP1134X
well finally got this one figured out, after barowing an IDS scan tool was able to watch cam signal and crank signal and found them to be un syncrozined. after a little more testing concluded that either the flex-plate is craked and/or excessive crankshaft end... Trouble codes: P0340.
2003 Ford F-350 Super Duty XL 6.8L 4wd VIN: 1FDWF37S83
Thanks guys for your help. We are still having problem with coming out of 4wd. We checked the vac. sol. vac. lines hubs ,everything and still can't find a hard fault. Even took to dealer but they couldn't get it to act up, because it doesn't happen all the tim...
2003 Ford Focus LX 2.0L engine VIN: 1FAFP33P43
Most already knew the answer: right, or top, engine mount. This one collapsed and the center was inverted. Transmission mount was broken as well. Some suggested debris under the lower, or torque stabilizer, mount. Some suggested misfires. I will know next t...
1998 Lincoln Town Car Signature 4.6L No Start, Cuts out VIN: 1LNFM82W4W
This car had me stumped with the electrical craziness. I loosened the fuse block under hood and was checking wire connections, and I noticed something wasnt right with the injector fuse, so i twisted the fuse ends to make a tighter fit, so far no problems.
1999 Mercury Sable GS 3.0L poor start VIN: 1MEFM50S3X
thank you all for the help i think it was corroded battery terminals.
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