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Prev Professional Automotive Repair Technical Discussions for September 16, 2006
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Open Help Requests for All Makes and Models
Help Request Answers
1994 Audi 100 S 2.8L No Start VIN: WAUEK84AOR
Engine cranks OK but no start. Spark test - no spark. Unfortunately I have no experience with Audis amd only a Michell manual for source data. Not much help there. I would like to know what voltage level the ECM delivers to the Power Stage (ignition module). A...
1995 Audi 90 2.8L door buzzer VIN: WAUBK88C1S
trying to get a handle on the system. Customer dropped off vehicle complaining that door buzzer/chime was on all the time. All Data has no info on system that I can find(is there something I'm missing?)other than the wireing diagrams, which have to be pieced t...
1999 BMW 328i 2.8L Electronic VIN: WBABK8338X
the ac controls were totally dead no lites etc. after removing the fuses and reinstalling it worked fine for about 1 hour. after removing the fuses again it lit up but ac was inop. is this an obvious ac control head failure?
2001 BMW 330Ci 3.0L blower motor VIN: WBABN53461
this is my problem , the bmw330 w/ auto climate control the blower motor intermittantly quits. the compressor is still pumping cold. all fan lights on controll panel are light to indicate motor is in high speed, but no air is moving out of ducts.checked the ba...
1985 Chevrolet El Camino 5.0L Differential VIN: 3GCCW80H4F
Hello every one. I have a vibration that starts at about 70 mph, and vibrats more, and more consistantly as the mph increases. It will vibrate on the rack with the wheels off the ground. The wheel and tires have been balanced, and replace with other tires from...
1997 Chevrolet Blazer 4.3L Misfire, MIL Lamp on VIN: 1GNDT13W4V
This truck came into us for and overheat problem. We checked it out and the lower intake gaskets were leaking and the radiator was plugged up. We replaced both the lower intake gaskets and the rad. When the truck left it ran a little rough at idle. The custome... Trouble codes: P0306 (Cylinder number 6 misfire)
1997 Chevrolet Astro 4.3L Poor Idle Quality, MIL Lamp on VIN: 1GNDM19W1V
1997 Chevrolet Malibu 2.4L Stall VIN: 1G1ND52T6V
This Malibu will stall after warming up on decel every time.The strange part is that the analog tach in the instrument panel is showing the rpm's about 250 less than what my Tech 2 is showing on the data screen.The tach appears to be right as far as actual rpm... Trouble codes: 507 (idle high)
2000 Chevrolet Express 1500 LS 5.7L converter VIN: 1GNFG15R2Y
We rebuilt trans due to converter going down and throwing metal through the whole trans, replaced the pump and converter and now the converter locks up 100% in first through fourth even though the pcm is not commanding it too. Come to a stop the engine almost ...
2000 Dodge Neon ES 2.0L transmission VIN: 1B3ES46C6Y
hi all i need some help!this vehicle has a shudder upon acceleration.first time we seen this vehicle 1/4/06 it came in with a bent right front rim.replaced rim no problems.2nd visit 2/9/06 came in for engine shakes upon codes stored,scoped igni...
2000 Ford Taurus SE 2-Valve 3.0L MIL Lamp on VIN: 1FAFP5522Y
customer drives car for about a week and light comes back on with same codes,car uses E85 gas mostly,I have test drove the car several times with my Snap-on scanner and the MIL light has never come on and all readings look normal.I have never in over thirty ye... Trouble codes: P1132 (bank one o2 sensor reading rich), P1152 (bank two o2 sensor reading rich)
2002 Ford F-150 King Ranch 5.4L door locks VIN: 1FTRW08L42
hi there ive got a 2002 ford f150 ,the door locks work by them selves sometimes replaced gem module and keyless entry module no effect.scanned the gem module no codes found unplugged both door lock switches with no effect.when scanning the gem the gem sees the...
2001 Lexus RX300 3.0L moon (sun) roof VIN: JTJGS10U01
Dear fellow members,esp.Lexus pros! Thanks greatly,in advance, for any help. When attempting to close the sun roof, it motors smoothly forward to almost completely shut ( about at the point where it should then raise to meet the roof line ) & then reverses it ...
1989 Mercedes-Benz 300E 3.0L Center Dash Vent VIN: EA30D7KA99
This is one for you MB techs. The AC system works fine in every way except the center dash vent has no air flow. roller vent switch is opening & closing the vent properly. My question is what to look for and some insight as to the procedure. Thanks in advance,...
1996 Mercedes-Benz S600 6.0L moniter tests VIN: GA57E0TA31
car came in failed local emmisions test. moniter tests for o2 sensors,air.twc,evap not performed we replaced all o2 sensors we performed all activatiois passed them all we use the gm drive cycle test after about 4 hrs with out shutting the car off it performed...
1967 Other European Elan 1558CC Rear Strut Inserts
Hello classic Lotus Techs. I'm working on the rear brake-hub-strut assembly. my problem at the moment is that i'm not sure how the strut insert comes apart. I have the hubs and rotors and bearings/axle disassembled but currently am trying to figure if the bott...
1995 Plymouth Grand Voyager SE 3.3L Cuts out, Stall VIN: 1P4GH44R6S
Hello again, we took one on that I wish I didn,t. This vehicle has been around the block. When hot this vehicle will stall like you turned the key off. The promblem has been there for a year and a half, but much more pronounced now. The vehicle has to be very ...
2000 Saturn SL 1.9L Surge VIN: 1G8ZF5287Y
Hi Guys. I have used IATN for a number of tough repairs, Have always found something in the archives to help. This one has us scratching our heads. Customer complains of intermittent stumble, usually at highway speeds. Noticed upon decel, or upon accel after d...
1985 Toyota Land Cruiser 4.2L overheating, loosing oil pressure, running bad all VIN: JT3FJ60G3F
Hello everyone, Iam in need of help with an 85 Land Cruiser. Customer drives vehicle for long time and vehicle starts to overheat and when this happens oil pressure drops to nothing. While this is all happening the vehicle starts to run sluggigh. Customer let...
1992 Volvo 940 GL 2.3L MIL Lamp on VIN: YV1JS8811N
Hi All, We have this 940 with a 311 code (speedo sensor signal missing). We measured the signal out of the speed sensor and was just a little low however since we had it out we replaced it. Code disappeaded for a couple weeks. I seem to remember that there is ...
1994 Volvo 940 2.3L Cuts out, Misfire VIN: YV1LS8315S
The problem is when the throttle is raised to around 2000 rpm the engine will misfire, tach will jump. While testing the ignition patterns on the primary side I will have mutiple random firing lines during this time, so I know what the problem is, I do`nt know...

Fixes & Summaries for All Makes and Models
Fix/Summary Answers
1997 BMW 528i 2.8L Mechanical VIN: WBADD6328V
this one turned out ok after going thru the trans again, we still are not sure what was wrong, btw the trans was a 4l30e
1994 Dodge Grand Caravan SE 3.3L MIL Lamp on VIN: 1B4GH44R8R
this one wasn't so bad i came back in the morning and cut some more wiring harness apart and found 2 broken wires near the ecm one was the signal wire and one was a green wire that i have no idea where it went since the ground was shown to be black i repaired ...
2000 Dodge Durango 4.7L radio,dome light VIN: 1B4HS28N1Y
thanks for your help customer was slow getting back to me,but he went back and rechecked the fuses and discovered that he had missed the blown one.some times people are too quick to blame something on the tech because it was just worked on.i guess ...
2001 Dodge Ram 1500 Truck 5.9L Poor Idle Quality, Hesitation, Misfire VIN: 1B7HF13Y91
Thanks to all that replied - Sorry so long to get back to you - Customer has still not returned the vehicle to the shop - He is bringing it back in this week - From the replies I recieved - A lot of you said to replace the cap/rotor/ wires + plugs + crank sens...
2002 Ford Explorer XLS 4.0L Com. Bus Fault VIN: 1FMZU72E22
I appreciate everyones help on this on but the light went out and has never come back on. Customer later told me that the truck was in an accident before it came to us so my only guess is a loose connection somewhere in the system that has rattled itself back ...
1999 Honda Civic Si 1.6L MIL Lamp on VIN: 1HGEM1151X
Checked all wiring for the oxygen sensor. Circuit is ok. Smoke test exhaust system for possible leaks. No leaks found. Thinking it's the PCM like many of you said. I cleared the codes and vehicle hasn't come back. Vehicle belongs to a friend of mine. If it com... Trouble codes: P0133 (HO2S slow response B1S1).
2001 Mercedes-Benz C240 2.6L bas VIN: WDBRF61J51
Ok now I see where you can close the open request. Anyway, as most of you guys advised Brake light switch fixed this one. Your help was greatly apreciated as usual you guys were right. By the way that little tester of mine 'called euro check was able also to e...
1979 MG MGB MK IV 1.8L Cooling Systems VIN: GHN5UL4955
finally got correct temp sender for gauge which made needle on gauge about 1/8' lower at same temp(measured at t/stat housing)Also realised that fan thermoswitch in this car is for a 1980 MGB which may come on at a higher temp. when I ordered a replacement, I ...
2001 Nissan Sentra GXE 1.8L MIL Lamp on VIN: 3N1CB51D91
Hello everyone thanks for all your help. This car is from a used car lot and they did not want to spend the money for a new pcm. Thanks again for your help Trouble codes: P0335 (crank sensor circuit fault).
2003 Nissan 350Z Track 3.5L air bag system VIN: JN1AZ34D93
Hello Guys, Thanks to all that responded. The repair required replacing the SRS harness. I am assuming that the SRS module is looking for a voltage drop of somekind on the ground wire that is attached to the shielded cable. Thanks again. Chelsea [...]
1998 Oldsmobile Aurora 4.0L LCM Module VIN: 1G3GR62C4W
Hey everyone, sorry to get back so late but was just able to get the vehicle back from customer. EVERYONE was right...learn something new everyday. The combination switch had shorted internally via tiny metal flakes permeated in the grease. Much thanx to all. ...
2000 Saab 9-3 2.0L MIL Lamp on VIN: YS3DD58H8Y
Thanks to all who replied. I waited to close this until I was sure the car was repaired. I did replace the MAF sensor and all is well. I did think about cleaning it, however this car has had an on going check engine light concern from another repair shop so I ... Trouble codes: P0171.
1997 Saturn SL 1.9L MIL Lamp on VIN: 1G8ZF5282V
Hi All Thanks for the 5 replies. All hit the nail on the head. Removed egr valve, it was full of carbon cleaned it up re installed it, test drove with a drive cycle and problem is gone. THANK YOU Trouble codes: 1404 (manufacture specific).
1989 Toyota 4Runner SR5 3.0L 1st to 2nd VIN: JT3VN66W9J
pluged up the solus checked for codes none,can't read data stream,looked under symptems and under loss of power cold or hot it said check air boot from air meter to throttle body for any leaks,one elbow wasn't plugged in all the way,it looked ok but after loss...
1997 Toyota Camry CE 2.2L turn signals VIN: 4T1BG22K6V
thanks to all who replied i still could not get car to act up but i went ahead & changed the bulbs cleaned the sockets & bent the ground tab for a better fit. the cust will call in a couple weeks to give us an update .. IATN ROCKS!!!
1998 Volvo V70 GLT 2.4L monitors VIN: YV1LW5640W
Well those that said it should be easy to run the drive cycle on the dyno apparantly have not attempted. I have in the past completed the complete cycle as close a possible without setting a single monitor. Jim from Calif said that you can use the factory scan...
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