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Prev Professional Automotive Repair Technical Discussions for August 26, 2009
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Open Help Requests for Ford
Help Request Answers
1988 Ford F-250 Custom 7.5L No Start VIN: 1FTHX26ZXJ
This truck will start only if you advance timing 6-10deg. The previously mentioned parts were installed by another shop. When the truck doesnt start we have spark and injector pulse. Timing chain seems tight. I'm wondering if for some reason the computer is me...
1994 Ford F-150 XLT 5.0L Powers out VIN: 1FTEX15N9R
I have a '94 F150 that powers out when the oxygen goes into closed loop. When the problem occurs the O2 sensor reads 1.15v, the fuel pressure is ok,MAF is in spec. I have tried other O2 sensors with no change, as well as a computer with no change. I have check...
1996 Ford F-150 XL 5.0L dpfe hoses blow off VIN: 1FTEF15N6T
Truck was towed in and would not start. We replaced the coil, coil wire and dist. cap & rotor to get truck to start. We also noticed both DPFE hoses were disconnected from DPFE sensor reconnected hoses and on test drive truck had no power (restricted exhaust) ... Trouble codes: P0401 (insuficient egr flow)
1998 Ford Windstar GL 3.8L Unknown VIN: 2FMZA5146W
Help Ford Techs!! This Windstar has a squeak from the engine that sounds like it is related to something rotating and seems to be coming from the belt area and goes away as the engine warms up. We have removed crank pully and inspected all rotating componants-...
2002 Ford Focus SE 2.0L air bag VIN: 1FAHP34P92
I bought this focus and it has a lamp flash code 33 the car has had some rear body damage and a very small light hit in the front but it does not look like any of the air bags have deployed every thing is hooked up and cant find any info on the code 33 any hel...
2003 Ford Taurus SE 3.0L MIL Lamp on VIN: 1FAFP55S03
This car keeps setting p0172,p0175 codes over the past 18 months.we have replaced the maf,fuel pump and most recently the fuel rail pressure sensor(all ford oe dealer parts) in attempt to repair.The problem only appears to occur at an extended idle-the fuel tr... Trouble codes: P0172 (fuel trim rich), P0175 (fuel trim rich)
2003 Ford Explorer XLS 4.0L rear of vehicle VIN: 1FMZU73K63
We verified concern, customer wanted us to check and see if the brakes were done correctly-we inspected and found the rear brake pads on the wrong sides, and the new rotors both front and rear slightly warped-we did a full service machining, honing and washing...
2005 Ford F-150 Lariat 5.4L No Start VIN: 1FTPW14555
Hi, This truck was towed in no start, no fuel pressure, we installed new oem fuel pump and fuel pump module (controller) that sits above spare. still no pressure, we hear pump running very soft with key on cycle. This car has good injector pulse, If I jump pow...
2008 Ford E-450 Super Duty 5.4L brake swith out of range VIN: 1FDXE45PO8
Really dont know what to check, check engine light comes on and the code is P1703 which says that the brake switch is out of range. Brake lights work and our Ford dealer says that they never sold a switch so I was going to guess and throw one in. Any help woul...
1998 Lincoln Navigator 5.4L hydraulics VIN: 5LMRU27L3W
this truck has been to 4 other shops. When we got it, both front wheels were locked up. Releasing pressure from the calipers frees the wheels. The wheels will lock again after first pedal stroke. Opening the line at the master cylinder will not release pressur...
2004 Lincoln Aviator 4.6L No Start VIN: 5LMEU88H54
04 aviator came in on wrecker ffor no start no crank batt checks good . no energising voltage to starter. check for codes. has 11 codes .u1262 c1805 b2900 u1073 u1123 u1059 u1041 u1950 b1318 c1897 u1026 .the codes i can find annything on suggest commnunication... Trouble codes: U1262 (c1805-), C1805 (b2900-), B2900 (u1073-), U1073 (u1123-), U1123 (u1059-), U1059 (testing and results)
2004 Lincoln Navigator 5.4L Unknown VIN: 5LMFU28RX4
We are trying to track down the origin of a vibration (ie bearing whine??) that can be heard and felt through both the steering wheel and front floorboards. Sounds like a wheel bearing and we tried the LF with an OEM unit. Also removed and replaced front drive...
1997 Mercury Villager (Van) GS 3.0L No Start, Poor Idle Quality, Cuts out, Stall, Poor Fuel Economy, MIL Lamp on, trans VIN: 4M27V1112W
Vehicle is the same as a Nissan Quest. The vehicle came in with a high tps voltage constant. After searching forever, I finally found a loose ground on the intake from someone trying to install spark plugs. I was wrong problem is not fixed, now after the engin... Trouble codes: P0120, P1705

Fixes & Summaries for Ford
Fix/Summary Answers
1996 Ford Taurus GL 3.0L compressor VIN: 1FALP52UOT
customer has decided not to repair unit at this time..we narrowed problem down to the p.c.m. by installing one from a identical car his son owns and system worked...thanks for all the replies they were very helpfull in diagnosing.
1996 Ford F-250 Special 7.3L Hesitation, Stall VIN: 1FTHF25F4T
I would like to thank Carl, Ken, Tony and Charles for their help. The stratagy for the PCM only checks the mil lamp at key on for only a second. This was confusing as others stay on. thanks again for the great help. sincerely Don
1996 Ford F-150 Special 4.9L MIL Lamp on VIN: 1FTEF15Y5T
The customer that owns this 96 ford has not returned so I can finish diagoseing the problem I think Ive pin pointed the problem. It probably will turn out to be a fuel pump. Because I did not have a chance to check fuel pressure while driving. I only checked i... Trouble codes: P0174, P0171.
1997 Ford Taurus SHO 3.4L Misfire
We checked all eight injectors and this is the only one that shuts down at all. Each injector is controlled by a seperate driver at the ECM. The owner is deciding wether to buy another ECM or to send this one out to be rebuilt. If he makes up his mind and w... Trouble codes: P0304 (Cylinder 4 misfire).
2002 Ford F-250 Super Duty XL 7.3L No Start, VIN: 1FTSX31FX2
first thanks for all the replies. most were very helpfull...after drilling customer about what actually happend.he admitted that he had chip turned all the way up and had engine at red line when it died.after pulling engine to double check low oil pres. pump a...
2003 Ford Expedition XLT 5.4L interior lights ,chime VIN: 1FMFU15L73
Cleaned lock assembly at door post with EPC then lightly lubed with PB blaster,called customer and asked how it was going and said has had no issue.Looks like it took care of problem thanks for all the help.Rick
2005 Ford F-150 FX4 5.4L Misfire VIN: 1FTPW14585
First of all thanks for all the help replies, the finall fix was multiple coil failures. It took 3 coils to totally corredct the prioblem. the last one we changed was #7 which showed a missfire only once out of a dozen times that we checked it. The missfire co... Trouble codes: P0304 (missfire 4 cylinder).
1994 Lincoln Town Car Executive 4.6L Hesitation, Cuts out, Stall VIN: 1LNLM81WXR
After all the tip we got. we unpluged the mass air and the problem did not go away. so we checked everthing else and nothing was fixing the problem. and the we got about 14 out of 17 repies that said check mas air . so we just replaced it and fixed the problem...
1994 Lincoln Town Car Signature 4.6L Hesitation, Surge, Cuts out VIN: 1LNLM82W8R
Fixed it. Got very excellent responses from Tom, Fred, Ian, Steve [twice], Joe, Brian, Guy, and Leslie. I was as sure as I could be that it was starving for fuel but Steve mentioned a TSB about intake manifold problems I thought I would look at. I wasn't able ... Trouble codes: 181 (System lean bank 1), 168 (Inj. pulse width higher than expected), 169 (System lean bank 2).
1997 Mercury Grand Marquis GS 4.6L cat monitor VIN: 2MELM74W3V
It ended up being bad injectors on bank one. They were not leaking or sticking. The injectors were cleaned with a motorvac but still did not work correctly. There were slight misfires on bank one that you could see in the o2 sensor waveforms. Four new Ford ... Trouble codes: P0420 (cat efficency bank one).
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