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Prev Professional Automotive Repair Technical Discussions for January 22, 2004
International Automotive Technicians' Network (iATN) - Members Only
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(Also Available: All, Asian, Chrysler, European, Ford, GM.)
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Open Help Requests for Ford
Help Request Answers
1977 Ford F-250 7.5L Poor Idle Quality, Misfire VIN: X25JK00288
This old turkey was brought for us to "dial in" the carb/choke settings and set the timing. The timing and choke are now set properly, and it starts right up and idles good on the high idle step. After it warms up and the choke opens fully, it misses at idle. ...
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1995 Ford Contour GL 2.5L Poor Idle Quality, Surge, HUNTING FOR IDLE VIN: 1FALP66L15
hi; hope someone can help me here got this one this morning came in for surging at idle and sometimes cruise speed no codes found koeo or koer with data on screen of my otc genysys found iac and maf had the same exact pattern while graphing. when i turn the a/...
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1997 Ford Explorer Sport 4.0L Hesitation VIN: 1FMCU24X5V
thanks in advance for the help! this vehicle has an intermittent performance problem. sometimes under accel when the rpm reaches 2500 it will not accept any fuel or additional load (feels like the vehicle has a governor). if i back off the accel & lightly acce...
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1997 Ford E-350 Econoline 5.4L Hesitation, Surge VIN: 1FBJS31L5V
help. as best as i can describe it, this van has a stumble at cruising speeds, 40 mph and higher. this has been an underlying problem on it's last three visits. we've replaced spark plugs, throttle sensor, egr vac solenoid, and dpfe pressure on seperate occass...
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1998 Ford Expedition XLT 5.4L Misfire
truck came in with bad misfire. Code for # 4 misfire. That is the right rear on Expedition and almost impossible to get to. When I looked at the coil I could see that the connector was melted badly. Called Ford dealer to get repair pigtail connector & new coil... Trouble codes: 304 (misfire 4 cylinder)
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2000 Ford Expedition Eddie Bauer 5.4L Turn & brake VIN: 1FMRU17L1Y
Vehicle was brought in with right rear inop turn & brake light after towing trailer. All other lights are unaffected. I have good ground at rear bulb, but no power. I am aware of the right & left tow fuses - & are good, but no power going to them. Is this norm...
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Fixes & Summaries for Ford
Fix/Summary Answers
1986 Ford F-150 XL 5.8L Poor Idle Quality, Hesitation, Surge, Cuts out, Stall, Misfire, Poor Fuel Economy VIN: 2FTEF14H6G
Hello all thanks to Jeff,Ipianio,Robert,Jim,Bob,Dave,Dan.I have been delayed by 3 reman distributors w/too much vac advance and intermitent nature of problem.I am not convinced problem is fixed but has been running good since 2nd dist. was installed.Thanks to ...
8
1987 Ford F-150 Custom 4.9L Poor Idle Quality, Hesitation, Surge, Cuts out, Stall, Misfire, Poor Fuel Economy VIN: 1FTVF15Y5H
first new regulator. pressure at 50-60 so I assume this is the correct pressure half the replies said 35-45 other half said 50-60 next installed new egr valve truck ran a little better next fuel injection clean truck runs great .thanks for all the replies all ...
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1994 Ford Explorer Eddie Bauer 4.0L Hesitation VIN: 1FMDU32X0R
Thanks to all who responded so quickly to our post. We tried several of your recommendations, and the final repair made to fix the problem was to install an air bleed to slow down vacuum to the EGR valve.
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1997 Ford F-150 Lariat 4.6L Transfer case/Electrical operation VIN: 1FTDX18W2V
Guys thanks for all the info. The man who has the problem developed some severe health problems and has not been able to return the vehicle for us to persue. As sonn as it becomes available to us to recheck Ill post what we found. Again thanks for the help!
6
1997 Ford F-250 XL 7.3L No Start, Poor Idle Quality VIN: 1FTHX25F0V
Hello, This vehicle stumped me until I was inspired by all responses; I ran injector buzz & fuel pressure check, all of which passed. Checked fuel for second time; found fuel to be contaminated with gasoline. Thank you all for your fast action responses, thi... Trouble codes: 344 (camshaft position sensor circuit fault).
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1999 Ford Ranger XL 3.0L abs module VIN: 1FTZR15V3X
vehicle has yet to return, but got some good leads- thanks to Jerry- his hint was to check the trigger wheel inside the differential- metal from wear can occupy the gaps & give poor signals- can clean & blow out with cover off- thanks to Terry & DHM- they agre...
4
1999 Ford Escort SE 2.0L MIL Lamp on VIN: 1FAFP13P9X
Thanks everyone for the help. You all hit it right on the head. It was the pcv valve. I watched the lt. & st. trim values before & after replacing pcv valve & the equalled right out after replacment. Also, car has not returned & is fixed. Again Thank You all v... Trouble codes: P1506 (Idle Air Control Overspeed Error).
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2000 Ford Windstar 3.8L odometor VIN: 2FTZA544YB
Thanks to the five responses that I recieved.After doing a little more fooling around we discoved that if we disconnect the FEM.(front electronic module) and then reconnect,the dash lights and the odometer works for a short amount of time with no problems,then...
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1994 Lincoln Mark VIII 4.6L steering control
Hello everyone thanks to all of you that answered my request-a special thanks to Ernie in Texas. Your suggestion that the caster may be changing on turns was the key to finding the problem. Although we inspected the front-end for loose or worn parts, the ball ...
10
1997 Lincoln Town Car Signature 4.6L unknown VIN: 1LNLM82W8V
My thanks to all three people, that answered my plea for help. Ray [...] was right, he suggested check of the P/S belt, problem was the belt tensioner , that did not keep proper tension , when cold. Other answers suggested replacement of P/S pump, or thought...
3
1999 Lincoln Navigator 5.4L 4 x 4 operation VIN: 5LMPU28A2X
Well, seems second transfer case with new speed sensors fixed the problem. First transfer case locked up the front clutch, but it stayed engaged w/power removed. Root cause was the front sensor would dropout & GEM saw it as rear slip & engaged clutch on dry pa...
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1998 Mercury Mystique LS 2.5L od light flashes VIN: 1MEFM66L8W
1 replace senser 2 check the harness 3 scope the circuit and here is the fix Idid scope the circuit but i did it again this time i used the min max feature on the scope and there was the problem there was 10 volt spikes on the vss circuit finally isolated it d...
3
1999 Mercury Villager Estate 3.3L Poor Idle Quality, Surge, Stall, MIL Lamp on VIN: 4M2XV11T0X
Sorry for the long wait on this one, customer took it on a road trip immediately after picking up the vehicle, and it took a while for him to get back to me... on the up side, it has nearly 1k miles on it and cust. states 'it runs better than it has in at leas... Trouble codes: P0300, P0325, P0100.
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