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International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for April 25, 2009
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Open Help Requests for All Makes and Models
Help Request Answers
1998 Buick LeSabre Custom 3.8L Stall VIN: 1G4HP52KXW
Customer complains of intermittent stall. Starts again, but sometimes it starts hard.Scan tool shows a couple things I'm concerned with.LTFT sometimes at -20 or more. MAP sensor voltage .6V on scan tool yet a backprobe to the pcm connector shows 1.7V. ALLDATA ...
1993 Chevrolet C3500 Cheyenne 7.4L Hesitation, MIL Lamp on VIN: 1GCHC39N2P
This is the first time Ive seen this truck. Customers concern is occasional loss of power while accelerating at highway speed, Like to pass. Sometimes he will tip into the throttle to pass, the trans shifts down and no power to pass. Here is the weird part. tr...
1994 Chevrolet joy 2.2L No Start VIN: YV1LSW59AB
This is a mexican vehicle, as best as I can find, an Opel corsa, vauxhall corsa and or Chevy joy. I am an american tech, trying to do a good job. There is no power to the fuel pump, if I power the fuel pump, it runs, the fuel pump, but still does not start, ar...
2001 Chevrolet Blazer LS 4.3L sun sensor VIN: 1GNCS13W41
Got a blazer with bcm codes for ac b408 b415 b16 did the relearn to temp control it works for a min the goes back the sun sensor reads 225 cant find any data on this or codes any help would be great thanks.
1997 Ford Contour GL 2.0L No Start VIN: 1FALP6530V
will not start replace coil pkg,test and replace cam and crank sensor and computer ecm and try remove cat/conv next is engine harness what can i check besides ing switch.timming belt is fine all marks line fine ///
1998 Ford Windstar GL 3.8L MIL Lamp on, lean VIN: 2FMZA5147W
came in for this code and the ones for IMRC inop. Found both actuators to be bad, replaced them and the intake upper and lower gaskets. thought we had it but it is back after a month with P0171. This seems to occur ONLY at idle when the engine will consistenet... Trouble codes: P0171 (lean bank one)
1999 Ford Escort SE 2.0L vehicle speed sensor VIN: 3FAFP15P1X
replaced vehicle speed sensor code is gone but speedometer not working any ideas
2000 Ford F-550 Super Duty XL 6.8L Poor Idle Quality, Lack of power VIN: 1FDAF57SXY
AAARRRRGGGHHHHH!!! This took up my Saturday--OPENING DAY of fishing season!!! Heres the deal. Customer complains of lack of power, rough idle, NO ses light on. No problem, its a Ford. Checked codes anyway, pending for P0171, 174, of course. Checked Map/Baro PI...
2003 Ford F-250 Super Duty Lariat 5.4L Misfire VIN: 1FTNX21L13
We checked all coil outputs 30,000 volts-no problem.All plugs are good and gapped properly.Checked all injectors resistance all 14.0 to 15.2 ohms. Fuel trims normal 5-7 % long term both banks.This vehicle does not have misfire counters and has not set a misfir...
2001 Saab 9-5 SE 3.0L Turbocharger VIN: YS3EF48Z3Y
This car has turbocharger leaking oil to the air intake system. My question is : what is the realistic labor time needed to replace turbo with exhaust manifold as assembly? Alldata gives three hours and it seems to me too optimistic time. I am preparing estima...
2001 Saturn L200 2.2L shift interlock VIN: 1G8JU52F41
Customer couldn't get vehicle out of park. We towed in, tested solonoid and found it to be bad, Ordered solonoid and installed, still can't get it out of park, new solonoid works when commended with tech2. PCM sees signal from brake pedal. We believe the BCM i...
1994 Toyota CELSIOR 3968CC air suspension wire VIN: UCF-11-005
Ok strange symtoms the fault code is not there the system is obd 1 , the shockes are new , tems is working fine , the height sensors checkout properly , but sometimes the height control fails and blinking and when rev up it becomes ok most of the time checked ...

Fixes & Summaries for All Makes and Models
Fix/Summary Answers
2000 BMW 323i 2.5L Hesitation, Cuts out, Stall VIN: WBAAR3344Y
Thank you all for your help. The "lifetime" fuel filter was the problem. Installed a new fuel filter and the system works as advertised. BTW: The fuel flow back to the tank was about 1 or 2 cups per minute with the bad filter, and jumped to about 1/2 gallon...
2004 BMW X3 3.0i 3.0L Excessive Emissions VIN: WBXPA93404
I want to thank everybody that responded to my post. The coustomer had to pick up the car and has never brougth it back for us to look at he vent system. Now that the weather has warmed up I bet it is not doing it. THANKS AGAIN, JOE. Trouble codes: 171 (174 -), 174.
1993 Chevrolet Lumina 3.1L Stall, incorrect rpm VIN: 2G1WL54T6P
Sorry it took me so long to get back with an answer on this one. After getting back on the car on monday and running the car for awhile I found that the car had a headgasket going out. This was not the cause of the strange RPM readings but I could not see putt...
2000 Chevrolet C3500 5.7L engine VIN: 1GBGC34R6Y
thanks for the help .customer did not want approve service to repair at this time. some of your replies help fixed all codes but proplem still there.willpost when customer has us repir veh. thank you steve
2002 Dodge Ram 2500 5.9L Shifts up and down VIN: 3B7KF23672
Thanks for all the help on this truck. The problem was electrical interference. If the alternator was disconnected the problem went away. The ground going by the alternator was shielded and a filter was added to keep out noise. Weird fix but I'll take it...Tha...
2002 Dodge Dakota Sport 3.9L Hesitation, MIL Lamp on VIN: 1B7HG38X32
Hello all Thank you very much,Majority said it'sit the pump.Eventhough I haven't finish this job I will close this as a fix.I believe the pump will fix it.I got good power and ground and you guys said filter and regulator is in pump module.I'm waiting for th... Trouble codes: P0171 (lean).
2008 Dodge Ram 1500 SXT 5.7L Poor Idle Quality, Misfire, MIL Lamp on VIN: 1D7HU18278
Thanks to all who responded. We replaced the fuel pump and filter (in tank) and cleaned the tank. This quited the pump down but still would not run right. Took off fuel rails and found rust and water in the rails. Replace fuel injectors and it ran much bett... Trouble codes: P0300, P0305.
1996 Ford F-350 XL 7.3L Misfire, MIL Lamp on VIN: 1FTJW36F3T
Good Day All!! With all 12 replies(you guys rock) I have fixed another one. I went after the injector code by pulling the right valve cover and bingo, front connector was fried. I checked the glow plugs and only had 1 good one so I pulled the other cover off a... Trouble codes: P0261, P1298.
2004 Ford F-150 FX4 5.4L Remote Start VIN: 1FTPX14594
Sorry for taking so long to close this request. The customer is going to have us fix the problem at some point, but he's not as concerned about the remote start feature now that the weather has gotten better. Everyone had really good suggestions, and most of y...
2007 Ford E-150 4.6L MIL Lamp on VIN: 1FTNE14W47
Thanks to all. I check all the evap hoses and passages and find nothing restricted I even dropped the tank and it's all good.O ne of you guys said that the pressure sensor is between the tank hose and canister and I seen that but the problem is the dealer said... Trouble codes: P0451 (evap emission pressure sensor).
2006 Honda Civic LX 1.8L No Start, Cuts out VIN: 1HGFA16546
2003 Jeep Liberty Sport 3.7L heater control VIN: 1J4GK48K53
The problem was not resolved , the customer declined the next step in the repair procedure (removal of the evaporator housing) stating that it would be cheaper to repaint the control head. Thank you for your help,I did benifit from your information and will c...
1997 Lincoln Mark VIII 4.6L Starter circuit VIN: 1LNLM91V4V
I did numerous repairs one of which fixed the intermittent no start. Replaced starter motor, both battery terminals, cleaned contacts for connector going to trans. selector sw.(Park/Neutral), cleaned contacts for connector going to "S" terminal under the fuse...
2000 Mercury Villager 3.3L No heat VIN: 4M2XV11T8Y
Thank you all very much who responded to my concern. I located the bleed bolt and what a tough spot that is to get to, the Mitchell web site did a poor job of showing where the bolt was actually at. Thank you too Pedro [...] for describing where it was at an...
1994 Nissan D21 XE 2.4L transmission-clutch VIN: 1N6SD16Y3R
Hello Everyone, Sorry for the late response to the help request. Well I finally got this Nissan "FIXED". I got to looking closly at the two driveshafts, and would you believe the other shop that had installed the carrier bearing installed it backwards.It had p...
2004 Nissan Frontier XE 2.4L MIL Lamp on VIN: 1N6DD26T24
Thanks to all! After removing the jet plugs, you guys were right on. I took an oil galley brush and cleaned out the jets, and then performed the BG EGR cleaning. Vehicle has not returned, a most wonderful sign. I had no idea that even partially restricted ... Trouble codes: P0402 (EGRC-BPT Excessive Flow).
1989 Oldsmobile 98 Regency 3.8L Hesitation, Stall, MIL Lamp on VIN: 1G3CX54C9K
First, thanks to everyone who took time out of their day to read and write back. Either I wasn't clear or not everyone reads the whole message before replying. From the info, I stated that the CAM sensor signal to the computer is the issue. THE ONLY ISSUE. Whe... Trouble codes: 41 (cam sensor signal).
1996 Oldsmobile REGENCY 3.8L elec cooling fans VIN: 1G3CX52K67
intermittant problem not fixed. this is my wife`S PERSONAL VEHICLE. Have no power to fans-relays etc intermittnt, also windshield wipers faild to operate on one occasion. I have checked ALL FUSES none defectiive. removed and swapped relays-no help. voltage to ...
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