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International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for January 7, 2006
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Open Help Requests for Ford
Help Request Answers
1991 Ford F-150 Custom 5.0L MIL Lamp on VIN: 2FTDF15N8M
Code 33. Please no PFE responses. This is an EEGR system. Went thru AD flow chart. I can see a good signal out of pintel with DSO. .54v at rest, 4.51v with vacuum applied direct(KOEO). Watching vacuum and signal voltage at EVP sensor during KOER test shows app...
2002 Ford F-250 Super Duty XL 7.3L Surge, Cuts out, MIL Lamp on, revs up and down VIN: IFTNW21F92
This truck came to us after being at at another shop. They put two new throttle pedals and a computer (purchased from the ford dealer ). The problem is still there. The problem is intermittened some times when you go to take off the engine will rev up and take... Trouble codes: P0122 (tps), P0123 (tps), P0221 (throttle switch b circuit.)
1997 Mercury Mystique GS 2.0L Cylinder Head VIN: 1MELM6530V
Hi Guys, This one is a puzzle. It came in with a blown head gasket. It ran fine but steamed out the tail pipe. After my tech removed the head he discovered a small area where coolant seeped into a cylinder. We sent the head off to be checked out as we always...

Fixes & Summaries for Ford
Fix/Summary Answers
1999 Ford F-250 Super Duty Lariat 5.4L Hard start VIN: 1FTNX21L4X
well this one is fixed. i should have stated in my post that i did clean the MAF and did an at rest fuel pressure test to see if it would bleed down for the whole day and it would not, also removed the injector rail from the vehicle to physically see if any of...
1992 Mercury Grand Marquis GS 4.6L Mechanical VIN: 2MELM75W5P
thanx to all the techs who took the time to reply to my post. sorry it took so long to close but my customer couldn't decide if she wanted to fix this vehicle or not. this past week we decided to replace her trans with a used unit and of course that solved the...
1999 Mercury Mystique GS 2.0L Hesitation, MIL Lamp on VIN: 1MEFM6536X
Thanks for all the help, we retimed by moving cam variable gear all the way retarded, and it immediately ran sweet and no codes! Still dont know if code 340 was there before belt broke as customeer stated the check engine light had been on a while. Mixed repli... Trouble codes: 340 (cmp sensor circuit).
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