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Prev Professional Automotive Repair Technical Discussions for August 11, 2007
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Open Help Requests for All Makes and Models
Help Request Answers
2003 BMW 318i 1.8L Excessive Emissions, Hesitation, MIL Lamp on VIN: WBAAY72080
Help required from BMW technicians. Bimmer stuck below Mount Everest... We are not familiar with BMWs as there are probably 20 in all in the country. We are voluntarily helping fix this vehicle for another repair facility as information is very difficult to c... Trouble codes: B1214 (Variable valve gear monitoring)
1995 Buick Regal Custom 3.8L Starter VIN: 2G4WB52L6S
I changed the starter motor and nothing happend , I hooked it up to the modis and it didnt give me anything, i then realized the security light was on. So I ran some more tests. Long story short the security device wont allow this car to start. I need help ! h...
1997 Cadillac DeVille 4.6L battery VIN: 1G6KD54Y6V
please help!!!My tech and i are going bald with this one.I have been scoping out fellow members input on related symptoms.(ed zandee) due to very similiar symptoms,pzm will not power down, data in pzm shows ign switch in acc. position with key off and removed....
1997 Cadillac DeVille Concours 4.6L MIL Lamp on, High idle VIN: 1G6KF5496V
Hi guys, I have one here that is leading me to the PCM, but wanted to ask you all first. This car comes in with a SES, and customer complains of a high idle. I never had it have a high idle for me and the test proceedures all tested out good. So the customer h... Trouble codes: P0122, P1122
1997 Chevrolet Venture 3.4L Hesitation, Misfire, Trim VIN: 1GNDX06E3V
Got a tough one here. Vehicle originally came to shop with customer reporting an intermittent cold start hesitation that would go away after a minute or two of driving. Inspected engine for obvious problem and none evident. Scanned ECM and one code stored for ...
1998 Chevrolet S10 2.2L No Start VIN: 1GCCS144XW
Hello everyone, Hope someone can help me with this problem. A couple of months ago, truck came in with intermitint no start and security light on. Scanned with solus, and recieved code 1631 body control module. Replaced body control module and had it reprogram... Trouble codes: 1631 (theft detterent system)
1999 Chevrolet Blazer 4.3L differential/transfer case VIN: 1GNCT18W9X
Vehicle came in with loud clicking (rattle/clanking/clunking) noise from front left side of vehicle. Only occurs in 2WD when accelerating HARD(accelerate normally - no noise), (sounds like clank, clank, clank, clank, clank ... until you let off on gas pedal) p...
1999 Chevrolet Monte Carlo LS 3.1L Unknown
Hey guys, my friends car has developed a knock/banging sound. i told him to check the oil and see if it was low, it was not, i told him to do a LOF with 20-50 to see if it would go away, it did for about 20-30 minutes. we had it running and i put my hand on th...
1999 Chevrolet Tahoe LS 5.7L Misfire VIN: 1GNEK13RXX
I have a 99 Chev Tahoe that misses at idle.Cylinder 3,5,&6 show missfire with number 6 going to 189 count and resets and starts over , 3 goes to around 35 and 5 stays around 5 counts.I have checked for vauum leaks using smoke macine . no smoke anywhere. I plug... Trouble codes: P0300
2004 Chevrolet Impala 3.4L Misfire VIN: 2G1WF52E64
Hello and thanks in advance for reading this. I have an 04 Impala with a 3.4 that misses at idle and just off idle with no load. This car will not set any misfire codes and won't show any misfire readings at idle however it will record current misfires just of...
2003 Chrysler PT Cruiser Touring 2.4L AC System VIN: 3C4FY58B83
Vehicle came with no AC complaint, tests revealed no freon,leak at hose from comp. to cond.; have not replaced cause the diagnostic has not completed. Charged and compressor kicked in at pressures mentioned with fan not comming on, low or high pressure with a ...
2001 Dodge Ram 2500 Truck 8.0L Surge, MIL Lamp on VIN: 1BK7F23W61
Hey guy's this thing is driving me crazy. This dodge came in two yaers back with bad cats and a bad engine after all was repaired six months later it came back with a complaint of no power and surges but eventully takes off and goes. This happens mostly at low... Trouble codes: P0121, P0132
2001 Dodge Ram 2500 Truck 5.9L Proportioning valve VIN: DO NOT HAV
Hello to all and thank you for your time. A little over a year ago we did full brake service work to this truck. Front loaded calipers,rotors,rear shoes machine drums and flush brake fluid. The truck came back recently and the front brake pads are worn out but...
2002 Dodge Durango R/T 5.9L MIL Lamp on VIN: 1B4HS78Z12
vehicle came in with engine light on. customer stated runs rough and idle flucuates. code was po121 tps and map values incorrect. replaced iac valve and engine light came back on. smoke checked intake and no leaks found. vehicle runs really good with no notica... Trouble codes: P0121 (map sensor-tps difference at idle)
1965 Ford MUSTANG 289CID frame rails VIN: 5F08T65875
I was just wondering if anyone out in our world has done extensive floor and frame rail repairs on early Mustangs. I Bought this car for a song but its in bad shape the floors have been amaturly repaired with what looks like the sides of a refrigerator and the...
1989 Ford Bronco Custom 5.0L Poor Idle Quality, Hesitation, Surge, Cuts out, Stall, Misfire VIN: 1FMEV15N5K
First this bronco is well mantained. the problem comes about when the engine reaches operating temp. It acts like the engine is skipping on a cylinder. when it is cold it runs fine with no problem. When it is running rough i can mist the air filter with starti...
1997 Ford F Super Duty 7.3L cooling VIN: 1FDLF47FXV
we replaced compressor and drier and orfice tube and ac condenser, but yet we are still having same problem occur we replaced orfice tube 5 times and still we continue to get weak performance at idle any suggestions?
1999 Ford Expedition XLT 4.6L cylinder head VIN: 1FMRU1861X
I recieved this Expedition from my customer after his wife sent it to another shop. She went to them because "we can fix it cheaper than anyone else in town". The only problem it had was the passenger side head gasket was weeping a little oil between the head ...
2000 Ford F-350 Super Duty XL 6.8L Misfire
Hello All Ill make this short as possible... this Ford is a fleet truck that is used virtually used 24/7 on short runs and lots of idle time. It came in 3 days ago with a dead misfire...all plugs were worn out and # 5 plug was black. Cat converter was restric...
2005 Ford Crown Victoria 4.6L Poor Idle Quality, Stall, MIL Lamp on, No Communication DLC VIN: 2FAHP71W35
Hi everyone, I am really stuck on this one. Car came in with check engine light on. When I connected my Snap on there is no communication. I tried the same with the genisys 2000. I took it over to my friend's shop and still could not pull codes because of "no ...
1998 Isuzu N NPR 5.7L Poor Idle Quality, Cuts out, Stall, MIL Lamp on VIN: 4KLB4B1R3X
i need some serious help. this box truck had a new motor put in and since then it stalls, hard to restart. when it stalls the cam retard goes to '45 degrees and the esc counter goes to 234 counts. you can restart it then you have to rev the engine to get the c... Trouble codes: P1345 (cam/crk correlation problem), P0341 (cam sensor out of range), P0325 (knock sensor problem)
1997 Jeep Grand Cherokee Laredo 4.0L Surge VIN: 1J4GZ58SXV
Greetings all, I have this crazy Jeep problem that just won't go away. First of all, the vehicle came in with 2 problems, one is over charging sometimes and surging when the vehicle is cold. We replaced the CPU for the over charging, fix the problem and was ho...
2000 Land Rover Discovery Series II 4.0L ABS computer VIN: SALTY1540Y
We work on this issue with ABS wheel sensors fault codes. First time we had code for left front wheel sensor. We installed new sensor with wire directly to computer (no connector on the way). From information on IATN and dealer, we discovered that there is a n...
2003 Lexus ES300 3.0L power window VIN: JTHBF30GX3
car came in with window inop. we replaced the motor and now it goes up to the top and down 1/2 way,but only when using the auto up.I have tryed another switch and a OEM motor with no changes.
1994 Nissan UD1400 135CID transmission VIN: JNAU4R1J1R
Hey guys, not much experience on these box trucks, so your help will be greatly appreciated! As you're going up a hill the trans. will not downshift into any gears and it just goes into nuetral. you pull off the side of the road, shut it down and start it ba...
1999 Pontiac Grand Am SE 3.4L Speakers VIN: 234TERG45Y
Well I am at home and didnt grab a test meter thought it would be simple to put some knew 6x9 speakers in the back of my Car and found out that stock speakers have 4 wires that plug in in two differnt connectors basically one set is for Bass and the Other for ...
2002 Pontiac Grand Am SE 3.4L No Start, Cuts out VIN: 1G2NF52E52
This Grand Am died on customer after cooled down it restarted , made it to our garage after to attempts , found that after vehicle gets up to normal op. temperature car dies as customer complained . found no spark replaced ign. module , car restarted then died...
1983 Porsche 944 2.5L diff noise VIN: 1GWNT308T9
Good morning guys ,I need some info before tear down this differential,I haven't done on this 944 before,any susgestions would help alot.Do I need any sepcial tools or any precaution when remove the diff.Thank you for all your replies.
1986 Porsche 944 Turbo 2.5L No Start, no spark VIN: WP0AA0952G
Hello, this is confusing. I have checked all the power and grounds to the main computer and checked what seams to be all relevent signals needed for the computer to ignite the coil. I have tried a coil and a second computer still has the same response. The Ref...

Fixes & Summaries for All Makes and Models
Fix/Summary Answers
1991 Acura Legend LS 3.2L engine VIN: JH4KA8276M
thanks to everybody who replied i got 21 rep and almost everybody said it was main relay unfortnately my customer never appeared after that he was thinking to getrid of the car maybe he already did
1996 Audi A4 2.8L Stall, MIL Lamp on VIN: WAUDA88DXT
Well I think it's fixed with a new temp sensor and cleaning the idle air valve. So far so good thanks again for the help.
1996 BMW Z3 Roadster 1.9L air bag light VIN: 4USCH7321T
We found the seat belt pretensioner bad on the drivers side. replaced the part, reset the light and all is good now. Thanks for the advice!
2000 Buick Century Custom 3.1L Mechanical
well as every single one suggested, the problem was in fact a clogged drain tube. i gave it a poke and a bunch of water and general ( motors ) goo came running out. thanks for all who replied and provided such accurate information w
2000 Chevrolet Suburban 2500 6.0L compressor VIN: 3GNGK26UOI
First of all I am sorry for the delay in closing this post. My customer went on vacation and then I had a short vacation, but the vehicle is now repaired! Thanks for all who replied to my cry for help. I first had to obtain a Tech 2 scan tool to be able to rea...
1994 Dodge Grand Caravan ES 3.3L No Start VIN: 1B4GH54R7R
advised customer of a cylinder low on compression and cracked radiator.he was advised of the need to replace of cam and crank sensor to continue diagnose.he decided to donate car.thanxs for all replys.
1999 Dodge Ram 2500 Truck 5.9L Poor Idle Quality, Hesitation, Surge, Cuts out, Stall, MIL Lamp on VIN: 3B7KC26Z2X
ok thanks for the help the intake was indeed leaking that took care of the lean out at idle the po443 was indeed a program fault Trouble codes: P0443.
1998 Ford Econoline Super Duty Custom 6.8L MIL Lamp on, P0131, No Symptoms VIN: 1FDXE40S5W
I cannot post a fix yet as vacations--both customer's and mine--are preventing further analysis until late August, after this post will expire. I will update this request once I have it nailed, and I will nail it. Got three replies, all very thoughtful: I ha... Trouble codes: P0131 (Lack of HEGO switching lean limit HEGO 1-1).
1998 Ford F-150 4.2L MIL Lamp on VIN: KEIEIKSKS9
hello all, i fixed this one...only after prying more info out of the owner. it seems that he had someone ??? pull codes for him and it had a egr code and this person also told him that the sensors go bad alot. so he went to the recycle yard and pulled one o... Trouble codes: P0401.
1999 Ford Taurus LX 3.0L powersteering pump VIN: 1FG3JJJIOI
im gonna try a pump than go to the rack lines are dry and tight.
1999 Ford Windstar LX 3.8L starter VIN: 2FMZA5147X
Dear Auto Techs. Sorry I'm so long closing this post. It took awhile to reach the customer; get authorized, keys made etc. I want to thank the 5 that replied to my request. One even gave a phone # and I talked to him on the phone. His suggestion was I could er...
1999 Ford F-250 Super Duty XL 5.4L Timing VIN: 1FTNF21LXE
Hello, Thanks to all that took the time to help. I knew that I should do it right but I did not want to. But I decided to replace the chains,guides,tensioners,tensioner arms, crank gear and oil pump. The cam gears are pressed to the cam and are not replacable ...
1996 Jeep Grand Cherokee Laredo 4.0L Coolant Sensor VIN: 1J4GZ58S5T
The terminals on the connector had spread apart and needed to be replaced. Replaced Connector and sensor reading was ok
1994 Mazda 929 3.0L valves VIN: JM1HD4G12D
Yes, I had to bleed the lifters down. To do this I drained the engine oil and then slowly turned the crank by hand and let each lifter bleed down. Thanks for the help!!
2006 Mazda B2300 2.3L Misfire, MIL Lamp on VIN: 4F4YR12D36
Ran into a brick wall on this one. Replaced DIS coil and CP sensor for the third time. Car runs better with OLD parts, and runs almost 100% if you warm it up first. Replaced plugs and wires and left them in due to mileage on truck. Best advice I can give on th... Trouble codes: P0320 (Distributor/Ignition Engine Speed Circuit).
1979 Porsche 911 SC 3.0L Chain Tensioner VIN: 9119302273
Many thanks for all the replies especially from Greg [...] who definitely assured me that the tensioners should be hard to compress from full length, and you should NOT be able to push the shaft in AT ALL by hand, if you can - REPLACE ...
1997 Toyota 4Runner Limited 3.4L unknown VIN: JT3HN87R9V
well unfortunatly this one is not 100% fixed customer opted not to go any further some of the replyies i recieved where on drive shaft balnce front cv binding we did remove the front cv and opened it up looked ok wish i had a better answer and would like to th...
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