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Prev Professional Automotive Repair Technical Discussions for January 27, 2005
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Open Help Requests for Ford
Help Request Answers
1971 Ford Mustang 351CID engine exhaust temp
Hello all, need some help on this one. We rebuilt the engine in this car, cust wanted to build up the engine as he is restoring the car. Got it all together and running, but cyls # 3,4,5 are heating up the header tubes red hot (500 degrees F) at 2500 rpm. The ...
1991 Ford Bronco Custom 5.8L Excessive Emissions, Poor Idle Quality, Misfire, Poor Fuel Economy, MIL Lamp on VIN: 1FMEU15HZM
Guys, This was towed in the other day for a no start and we cleaned the plugs and it started. Tried to read codes and the scan tool would work with the key off but as soon as you turn the key on the scanner would fade out. I've traced the problem to the sig rt... Trouble codes: 113 (Act open), 118 (ect open), 123 (tp above max voltage), 126 (map out of range), 337 (evp max voltage), 634 (mlp sensor out of range //// 637 tot open)
1993 Ford Explorer Eddie Bauer 4.0L Poor Idle Quality, Surge, Cuts out, Stall, noise VIN: 1FMDU34X7P
Vehicle comes in about every four thousand miles with one of the vacuum lines off of the tree on the drivers side of the intake. have found no tsb's or anyone with similar problem. The vacuum line that goes to the fuel pressure regulator and the ac control, th...
1993 Ford Bronco Custom 5.8L High Nox VIN: 1FMEU15H9P
Ford bronco failed Nox. Checked EGR working fine. Is catalytic converter pretty common to fail on this car? Any help, tips, advice would be appreciated. Thank you.
1994 Ford Explorer Eddie Bauer 4.0L Poor Idle Quality, Surge VIN: 1FMDU34X6R
I hope you will all forgive the long post: this truck came in with a poor idle quality. koeo, koer, and cont codes all clear. when running through the tests could see the voltage in the dpfe sensor moving. I also went through the grounds, they looked good. whe...
1994 Ford Ranger STX 4.0L cruise control VIN: 1FTCR14X9R
Cruise control does not work. I performed tests per MOD. There is no test for the amplifier, just a process of elimination. I replaced amp with dealer part - still no cruise. I performed the servo test per MOD and the servo worked. Using a dvom on ac scale I c...
1996 Ford Windstar GL 3.8L trip moniter reset VIN: 2FMDA5149T
hello ford techs-i have this windstar that we replaced a oxygen sensor one thousand miles ago-the check engine lite has not come back on but after we cleared the computer it seems to not want to reset all trip moniters-this car keeps failing smog for mil trip ...
1998 Ford Taurus SE 3.0L rr wheel speed sensor VIN: 1FAFP52U5W
Hello Group,we have this taurus that keeps setting code for rr wheel speed sensor.replaced sensor and ohmed out harness from the controller,checks out good.problem is intermittant, comes and goes.when abs light is on...scanner shows 0 wheel speed at the right ...
1999 Ford Mustang GT 4.6L Poor Idle Quality, Hesitation, Cuts out, Misfire VIN: 1FAFP42XUX
I strongly suspect that the crank sensor is failing on this unit, I dont have access to a scope unfortunately. I duplicated the concern once this morning, fuel pressure stayed at 35PSi during the stall. Almost like the key was turned off. When you start it up ...
1999 Ford F-350 Super Duty Lariat 6.8L Engine VIN: 1FTSW31S2X
Hello everyone. We need your help with a 99' F-350 with a 6.8L that has a knock. This knock starts as a tick and gets worse as the engine reaches operating temperature. It seems to go away at steady RPM's above 1500 rpm and doesn't knock at all under a load (i...
2000 Ford F-350 Super Duty Lariat 7.3L 4 wheel drive VIN: 1FTSW31F7Y
asking for help on this ford four wheel drive. the 4 wheel drive will not enguage when the switch is turned to 4-high or 4-low. indicator light goes on for bulb check, but does not turn on when switching to four wheel.
2000 Ford Focus LX 2.0L 1-2 Shift
Good evening to all, We took this vehicle in because a local trans shop told the customer that there was nothing wrong with the transmission and that it might have something to do with an engine sensor. Customers original complaint was that the trans was slipp...
2000 Ford F-450 Super Duty Lariat 7.3L No Start, Poor Idle Quality, No power VIN: 3FDXF46F2Y
Any Ford Diesel techs please help, I'm out of ideas. This F450 cranks Ok but starts hard or fails to start when cold. If key is left on for another 20 seconds after wait to start light goes out it runs a little better, but still not good. After it does finally... Trouble codes: P0420 (Exhaust Back Pressure Control Problem)
2002 Ford F-150 King Ranch 4.6L Misfire VIN: 1FTRX17W62
This one is driving us nuts. We received this truck last week with the MIL on and engine running slightly rough at idle. We scanned the pcm to find two codes. PO306 cylinder #6 misfire & PO316 Misfire occurred in the first 1000 engine revolutions. At first we ... Trouble codes: P0306, P0316
2002 Ford Focus Street 2.0L No Start VIN: 1FAHP383X2
problem with car when very cold below -20 deg c- engine will start fine on fast idle & run for approx 20 sec then die & will not restart- checked outside in cold found no injectors firing- pushed inside to diag- started & ran fine- left outside over night same...
1988 Lincoln Continental Signature 3.8L dash cluster VIN: 1LNBM9843J
vehicle came in for auto temp control only blows high speed/when trying to pull codes from automatic temp controls the digital cluster lit up, all segments lit up like when you first turn key on /and the temp control head went blank/checked fuses all ok,checke...
2001 Mercury Sable LS Premium 3.0L Excessive Emissions, MIL Lamp on VIN: 1MEFM55S51
Customer brought to dealer for illuminated mil and brake light switch recall in June 04. No record of codes from dealer invoices. Replaced downstream o2, light came back on, replaced fuel pump and pcm, light came back on, replaced converters and intake gaskets... Trouble codes: P0172 (bank 1 rich), P0175 (bank 2 rich)

Fixes & Summaries for Ford
Fix/Summary Answers
1992 Ford F-150 Custom 5.0L Excessive Emissions, No Start, Poor Idle Quality, Cuts out, Misfire, Poor Fuel Economy VIN: 1FTDF15NIN
Well, even though the pressure didn't drop much, it was 3 injectors. 3, 4 & 8. Thanks to all that responded.
1993 Ford Ranger STX 2.3L HVAC No Heat or very little VIN: 1FTCR10A0P
Hmmm... I thought I'd already posted the close on this one. Anyway. It turns out the junior tech had taken a few things for granted, All I did to get good heat was back flush the heater core. All is well heater outlet temp is 145. Thanks for your help!
1993 Ford E-250 Econoline 4.9L No Start VIN: 1FTFE24Y3P
got 2 replys from 1 guy and with his help nailed the problem found noise suppressor wire grounded at block moved wire van started right up headache gone thank you all dave
1996 Ford Taurus GL 3.0L Steering VIN: GH344YUEW4
Wayne from Florida Date: 12/29/2004 06:15:50 If you think it's power steering try taking the belt off and driving it. Reply 3 of 21 From: H. [...] from New York Date: 12/29/2004 08:31:50 Either bearing hub or CV joint Randy from Florida Date: 12/29/...
1998 Ford Windstar 3.0L Misfire VIN: 2FMDA51U9W
Success! Sorry about getting back so late. I've had many responses to this tricky situation. Many included cleaning plugged egr ports in the manifold. As well, others have suggested using a cam sensor alignment tool when replacing the cam sensor. Well, turns o... Trouble codes: P0302, P0306.
2000 Ford Windstar LX 3.8L Misfire VIN: 2FMZA5144Y
Thanks to everyone who replied. We traced this problem down to the EGR ports inside the intake. They were plugged (4 completely, 1 mostly). We cleaned them out, performed the OBD II drive cycle and all is well! :) We use ALLDATA online and there is NOT a servi...
2000 Ford Escort ZX2 2.0L 2nd gear and OD VIN: 3FAKP1137Y
I am glad to say the Zx2 is fixed. With 9 replies that were all helpful it is back on the road. After finding out you have to get an entire valve body assembly to get the solenoids which was very costly I didn't want to take a chance on it since all the soleno...
2001 Ford Expedition XLT 4.6L Stall VIN: 1FMRU15W31
Thanks for all your help folks. The customer is not interested in pursuing this problem further so I don't have any fix data. I did however recieve some usefull information. For one there is apparently an updated fuel sending unit due to sulfur build-up in som...
2002 Ford F-350 Super Duty Lariat 7.3L No Start, Poor Idle Quality VIN: 1FTSW31F22
many great replies, thanks to everyone-most common theme was leaking injector o-rings, or bad injectors-removed valve covers, found injector hold down bolt to #1 injector broken and injector backed out-replace injector and hold down bolt, truck now runs well a...
2002 Ford Taurus LX 3.0L Poor Idle Quality, Surge, Stall, MIL Lamp on VIN: 1FAFP55242
Thanks for all the input. Found the problem to be a nick in the upper intake manifold gasket along with #1 plug wire intermittently arcing to gnd. Found this by clearing the KAM after changing the fuel fouled oil, and watching the STFT and Flex Fuel Sensor... Trouble codes: P0172 (bank 1 rich), P0175 (bank 2 rich).
2003 Ford Windstar LX 3.8L Cuts out VIN: 2FMZA55403
Thanks for all the help,the vehicle was brought to the dealer as the customer was hoping for a quick fix.They spent several days checking it and have finally changed the ignition coil which it seems has solved the problem.It seems the coil would induce voltage... Trouble codes: P0320.
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