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International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for June 24, 2007
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Open Help Requests for All Makes and Models
Help Request Answers
1991 BMW 735i 3.5L Misfire VIN: WBAGB4315M
hello techs, my service manager just bought this 1991 bmw 735i.it run smooth on idle,when i open the throttle it will run rough and popping in the exhaust(loud bang!).it don't have the exhaust when he got this car.so far, he spend about $1500 on exhaust parts....
1999 Chevrolet C3500 6.5L Mounting Studs VIN: 1GBKC34F3X
This Truck ran out of oil and had a Knock. We ordered an engine out of a 1998 vehicle from wrecking yard, installed motor and the transmission to engine studs, (6) will not go in more than one turn or so. I tried one and screwed up the threads on the bolt. The...
2001 Chevrolet Astro LS 4.3L transfer case VIN: 1GNEL19W21
I am hoping this van does not go bad on me butů About a month ago it came in with rear spider gears all chewed up. We found nothing abnormal so we put in new gears and replaced all the bearings and seals being that there was metal paste throughout the axle an...
2003 Chevrolet Malibu 3.1L security system VIN: 1G1ND52J53
car wont start at times do to sercurity system wont crank over, have followed proceedures for syncronizing key and bcm ,i dont work on domestics , this is a freinds car can this system be bypassed? it never seems to act up when i have time to work on it. thank...
1997 Chrysler LHS 3.5L Steering VIN: 2C3HC56FXV
The owner of this car states that intermitently and momentarily the power steering locks up. Problem seems to happen after a period of highway driving, maybe 20-30 minutes, then when slowing onto an exit ramp the steering gets tight. Customer says engine does ...
1996 Dodge B2500 5.2L no spark no start
had van in shop now for 2 weeks came in with no start, had crankshaft sensor code, changed that iac and ignitin coil now van runs but if you shut it of wont restart for about 15 minutes when dead a p0340 code shows up which states camshaft sensor ciruit what c...
2000 Dodge Neon High Line 2.0L Timing belt VIN: 1B3E546COY
This is my daughter's car and she's still in college driving this car. The car is still running great but I am concerned about the timing belt, it has never been changed and it's a one owner car. I was wondering if it's a difficult job changing the timing belt...
1995 Ford Mustang 3.8L Ignition system VIN: 1FALP4045S
The was towed to my shop.The customer complaint was engine will not crank over. After inspecting and testing charging and starter system that checked out good. I tryed to crank engine over by hand and had a tough time getting the engine to turn over so I remov...
2000 Ford Mustang 3.8L engine VIN: 1FAFP4041Y
engine has a very slight knocking noise on right rear of engine mostly heard from engine compartment doesnt sound like rod or wrist pin sounds moore like rubber mallet on plastic. it does increase with eng speed. this engine has the aluminum intake and plenum....
2002 Ford F-350 Super Duty XL 7.3L power lose VIN: 1F4AX3DAFU
Hi All, I've got one giving me a problem, This truck came in with a bad roll at idle with IPR valve duty cycle around 7%. Checked the fuel system and found an aftermarket fuel pump suppling 75 psi. This thing ran on vegetable oil for ablut a year also. We bypa... Trouble codes: P1211 (ICP Higher or lower than expected)
2005 Ford E-450 Super Duty 6.0L Excessive Emissions, Poor Idle Quality, Hesitation VIN: 1FDXE45P35
this has been an ongoing problem.every 2-3 weeks this ambulance comes back with egr codes,smoking and no power.tech working on it has replaced the egr valve (new oem part) and cleaned the port a few times.the tsb for this problem states:"the root cause of the ... Trouble codes: P0404, P1335 (egr), P0278
2000 Jeep Grand Cherokee Limited 4.7L Poor Idle Quality, Hesitation, Surge VIN: 15WUERFNFH
customer came in with lights dimming on instrument panel and driveability complant test ing reveled a bad alternator which was replaced with reman unit after couple days customer called with same complant.where should go from here Trouble codes: P1594, P1685
2004 Jeep Grand Cherokee Laredo 4.0L intermittent oil pre VIN: 1J4GW48S84
i have a jeep from a used car lot that loses oil pressure intermittently (at the gauge) when hot. the customer replaced the pressure switch with an after market switch but it didnt change anything. when he dropped it off i disconnected the pressure switch but ...
2005 Mazda Tribute S 3.0L engine VIN: 4F2YZ92135
This 1 is making me chew of my nails.this engine has a constant #5 only cylinder misfire.( power balance monitor testing on mazda/ford scan system)note not heard for first1- 2mins when cold but then is constant at every 1- 6 sec.Which you can hear misfiring th...
2001 Mitsubishi Eclipse GT 3.0L MIL Lamp on VIN: 4A3AC54HX1
Good day everyone!, I have a Mitsu here with a pesky P0154 code. Came in last week and the tech who worked on it pulled the P0154 code,looked at the mileage of the car and decided to sell both front HO2 sensors and send it down the road! Well its back with P01... Trouble codes: P0154 (B2S1 HO2 sensor no activity)
2002 Nissan Altima 2.5L head gasket VIN: 1N4RL11D72
This is for Nissan Techs for I want to deviate from the head gasket replacement factory procedure and want to know if anyone has successfully done it. I am replacing the head gasket and I have removed the head without removing the front timing cover as the fac...
1938 Other European Roadster 800CC wiring system
Hi Guys I need a wiring diagram for this car. Any of you guys out there have a wiring diagram for this car? If somebody could e-mail me one I would be eternally grateful, or at least until I finish the job. :-) Rick
1997 Plymouth Grand Voyager SE 3.3L No Start VIN: 1P4GP44R3V
Van came into shop with intermittant no run (cranks). Had intermittent no cam signal according to scan tool. No codes except for no BUS on body computer. Changed cam and crank sensors now it won't run at all. Scanner data and graph shows cam and crank signals ...
1983 Porsche 911 SC 3.0L shifter VIN: WPOAA0915D
This car is not driven a lot. It is mostly to work and back every day. As you put it in reverse and back out of the driveway it works fine. About once every month or so, when you move the shifter from reverse to first, it will lock the trans in two gears. We w...
1989 Porsche 944 S2 3.0L Rear Main Seal VIN: WPOAB2949K
Hello All I have just built the engine in the car, and I am having difficulty keeping a rear main seal dry. I have done too many of these engines to count, but this one is tasking me. Here is the history - INITIAL install of rear main with engine build, seal ...
1996 Saturn SL1 1.9L Shifting VIN: 1G8ZH5289T
All you Saturn experts out there,replaced the transmission on this car a 1996 SL single overhead cam 4 speed automatic with a boneyard transmission,the yard owner wasn't quite sure what car it came out of,but it look identical and everything bolted and plugged...
1997 Volkswagen Jetta GL 2.0L No Start VIN: 1F5KRT5UTE
A customer washed there engine to find a oil leak every since it will not start. It has injector pulse and fuel pressure. The engine will not start, it has no spark. I replaced the crankposition sensor. The customer has had a previous code for mass air flow se...
1992 Volvo 960 2.9L converter VIN: YV1KW9500N
This car has been a great running car until this problem started last summer. Condition only happens in the warmer weather. Mostly hot city driving. Condition: When coming to a stop the engine feels like it is going to stall. Heavy shutter felt from engine/tr...

Fixes & Summaries for All Makes and Models
Fix/Summary Answers
1998 BMW 528i 2.8L Waterpump VIN: WBADD6320V
Well this car has had some good miles on it including a trip to CT. on a hot week-end so I think its safe to call it fixed. Put another dealer pump in and this time flushed everything including taking rad out and block drain. Also replaced the fan clutch and b...
1996 Cadillac DeVille 4.6L MIL Lamp on VIN: 1G6KF295TU
Well guys and gals I am going to have to close this with no fix as of now the customer is yet to return with the vehicle, you know the kind if you can't drop everything and fix it then it can wait till they feel like coming back. I had suggestions to check th... Trouble codes: P0122, P1122.
1985 Chevrolet Camaro Z28 5.0L turn signal stalk VIN: 1G1FP87HXF
thank you for your input. The stalk did just pull out but connecting the cruise was another story, i ended up pretty much dissembling the collum to feed the wire down.
1998 Dodge Grand Caravan ES 3.8L no a/c clutch VIN: 1B4GT54L7W
Well I had some replys to disconnect the battery to see if this resets the system. I did try that before posting because gm trucks are nortious for this. The pressures were fine, control panel to computer was fine. I tried one more thing before replacing the c...
1989 Ford F-150 Custom 5.0L Stall, Poor Fuel Economy VIN: 2FTDF15N5K
Hi Guys Thanks for all you help. Seems like the problem was the pick up coil and or module. Ended up replacing the dist as it I got it for a good price. Running good so far. Thanks again Rick
1990 Ford F-150 Custom 4.9L No Start VIN: 1G5T745J76
hi guys and gals thanks ,i ended up replaceing starter siliniod and feul filter and plugs ing. module ect but was siliniod,agian thanks everyone and sorry so late getting back costermer ran it and open hood every time they stoped and wiated for it to kool dow... Trouble codes: N0.
1994 Ford Mustang GT 5.0L door locks VIN: 1FALP45T8R
Well thanks to all who offered ideas. In the end it came down to this vech did indeed come with factory keyless entry. Who ever put in the aftermarket alarm quit possibly damaged the keyess module and removed it before selling to the customer. While tracing...
2002 Ford Taurus SE 3.0L 1-2 shift VIN: 1FAFP53U82
Due to the replys I feel as though a valve was most likely the cause but under the circumstances it was cheaper to install a used transmission I did not want to take time to tear down reinstall and have future problems as for the tech leaving the clamp off cos...
2002 GMC Yukon XL 2500 SLT 8.1L transmission? VIN: 3GKGK26G02
1992 Honda Accord EX 2.2L Electronic VIN: 1HGCB7674N
I could not find the problem with this car.I would like to thank all those who took the time to reply.I had subsituted a known good TCM,Inspected the ignition switch,grounds,Lock solnoid system for shifter,Shift sol's on tranmission and could not find the prob...
1997 Honda Accord EX 2.7L motor unit VIN: 1HGCE6678V
I thank everyone, who helped with my situation. I belive(along with others), the U chanel is the problem. Our shop has been waiting for the (childless)customer to return for repairs. To date, she has estiment. But has not returned for repairs. (That is why, ...
1998 Honda Accord EX 2.3L Speedometer VIN: 1HGCG1659W
First, I would like to thank all eleven of you who took the time to respond to my request. Second I would like to apologise for not being very clear with my concerns. I felt confident that the cluster would repair our speedometer but I was concerned about the ...
1994 Mercedes-Benz SL500 5.0L Surge VIN: WDB1290672
Thankyou for all the replies, the customer has not brought the vehicle back to the shop as i beleave i need to do further checking on the throttle and wirring harness Trouble codes: 048 (rating value potiometer potentiometer check m16/1r1), 224 (idle switch contact s29/3).
1999 Pontiac Sunfire SE 2.2L tcc VIN: 1G2JB1240X
Changed transmission (Yes, it was a 3-speed). Problem fixed.
1999 Volkswagen Jetta TDI 1.9L power windows VIN: 3VWSF29M1X
Hey gentlemen I'm still working on this vehicle.It hasn't been back into the shop for a week or more.Just trying to find the time for the customer to be able to leave it for a day or two.As soon as I get further and fix it I will let everyone know.Thanx for al...
1999 Volvo V70 2.4L ABS module VIN: YV1LW55AZX
I just wanted to thank everyone that answered me. I am sorry it took so long to post the fix but the owner of the car was in no hurry. We had two problems with the car. The control module was bad and also the rear ABS sensor. I have not heard from the customer...
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