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International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for October 9, 2005
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Open Help Requests for All Makes and Models
Help Request Answers
1990 Acura Integra LS 1.8L Poor Idle Quality, Idles up and down VIN: JH4DA9354L
This car is constantly idling up and down. We have replace the IAC motor and also replaced throttle body (used). We have check for vacuum leaks and have not found any. If we take and unplugged IAC motor idle will smooth out but will Idle at very high rpm. We h...
1994 Chevrolet K1500 Suburban 5.7L Unknown VIN: 1GNFK163RJ
This suburban will go into lock up and od at 25 to 35 mph under a light throttle, more often after sitting overnight. Then it will spark knock and vibrate. Usually it will come out of lock up and od when I floor it. One time I had to manually drop it into driv...
1999 Chevrolet Blazer 4.3L Cuts out VIN: 1GNCS13W7X
This vehicle will just die (unsure if it dropping ignition or fuel). There are no codes present. This vehicle sometimes will die while driving and sometimes while sitting idle. We have tried the wiggle ans rap test on the ign module, MAF, coil, EGR valve, ECM,...
2004 Chevrolet Aveo LS 1.6L MIL Lamp on VIN: KL1TJ62654
custemer brought to shop for eval, found and procured 1000 mile used engine, installed used engine, ran in shop fine, road test sets code, can run car on hoist,power brake etc no code, drive car downhill or level with very little throttle no code shifts fine, ... Trouble codes: P1781 (engine torque control circut)
1997 Dodge Neon 2.0L Cooling Fans VIN: 1B3ES47C1W
The fans never come on and the engine will overheat after a long idle. I checked the fuse in the engine compartment box and it has power and is good. The wiring diagram i have shows a four wire relay but doesnt say where it is and it isnt in the underhood fuse...
1998 Dodge Dakota SLT 5.2L driveshaft? VIN: 1B7FL26Y4W
This is my personal truck- bought new as a fair weather friend. Lately, I have noticed a poping sound while slowly releasing the clutch in rev. to back out of the garage. It sounds just like something tapped the hollow alum. driveshaft. This noise also happens...
1997 Ford F-150 Lariat 4.6L MIL Lamp on VIN: 1FTDX1767V
We are having trouble pinpointing the fault for this code,the truck already had the EGR valve,solenoid, & DPFE sensor replaced w/ factory parts.The code always resets when the monitors are ready.I did tests onthe system & wiring but found no problems unless I ... Trouble codes: P0401
1998 Ford Taurus SE Comfort 3.0L bled door VIN: 1FAFP53S1W
This car is fixed, but if you do a lot of ac/heater work, at least read the bottom of this, there is a problem with factory ford heater motor parts. this thing came in with no heat. checked for codes. do this by pressing floor and off button and then press aut...
2003 GMC Sierra 1500 HD SLE 6.0L noise VIN: 1GTGK13U53
This truck has a noise in the intake system that can be heard in the interior. there is a wooshing noise when the throttle is opened. It has to be a moderate acceleration like 1/3 to 1/2 throttle. It can be heard accelerating from a stop or accelerating while ...
1991 Nissan 240SX 2.4L water pump, fan clutch, thermostat, radiator VIN: JN1MS36P5M
customer said engine didn't overheat until he replaced heater core. he said he replaced thermostat 3 times then replaced water pump and fan clutch but it still overheats.we checked all his work, appeared good, checked for blown head gasket, checked good, check...
1997 Nissan Maxima GLE 3.0L No Start VIN: JN1CA21D6V
Hi Guys and Girls I have this car here that has me out of focus. I came in no start. I managed to get it started and after the next day same thing . In the beginning when I checked it had no spark . I made a visual check, and check it for code. It had a code f... Trouble codes: 1320 (Cam sensor Checked OK)
1997 Nissan Maxima GLE 3.0L cruise control VIN: JN1CA21D5V
Hello all. I am writing about my own car today. This is a 1997 Maxima SE with a cruise control problem. The cruise will no longer set. When the cruise power switch is turned on the light on the cruise switch works fine. After accelerating to above 30 MPH spee...
1989 Pontiac Firebird Formula 5.7L rear disc system VIN: 1G2FS2180K
Greetings: This vehicle was brought in for failing Mass. state safety inspection for inefficient rear disc brakes & inefficient parking brake system. Has PBR single piston rear brake calipers. Even with new rear pads, the park brake will not hold the vehicle ...
1999 Saab 9-5 2.3L starting/cranking VIN: 7E690773H6
this unit will very intermittantly not crank,,seems as if it happens warm...after a short soak[at least thats the only time it has anted up for me]no signs of an key not accepted no codes and by the time ive gotten any ort of test equipment in place to test th...

Fixes & Summaries for All Makes and Models
Fix/Summary Answers
1981 Cadillac DeVille 6.0L Cuts out VIN: 1G6AD6991B
Thanks to everybody who replied, every responder had good suggestions. I forwarded your info to my brother-in-law, but unfortunately he still hasn't located the problem. I think if he was in better health he would have been able get deeper into the car, and I'... Trouble codes: 23 (EST malfunction), 38 (MAT out of range).
1998 Chevrolet Cavalier 2.2L theft VIN: 1G1JCS246W
thanks for all the replies and the time spent on this.I tried to reset the theft system the way that was sugested to me.But it didnt work I called the chev dealer the parts mgr said to reset the system I told him I did he said thay were difrent to try this so ...
2001 Chrysler Town & Country EX 3.8L heated mirror VIN: 2C4GP54L51
Thanks to all who responed. I used the non heated mirror due to the cost of the heated mirror. I sealed the two terminals so they would not make contact. Had this been a paying customer I would have suggested the heated mirror. All seems to be fine.
2003 Dodge Grand Caravan Sport 3.3L starter relay VIN: 2D8GP44363
Thanks to all that replied. I got the SKIM flashed and the van started fine. Seems it lost its programming when the old pcm went bad. Not to mention the other tech kept trying to start the vehcile after he installed the new pcm. He did it five times and the SK...
1995 Ford F-150 Special 5.0L Hesitation, Cuts out, MIL Lamp on VIN: 1FTEF14NOS
it was the o2 sensor, just like the replies sugg. thanks to all. wasn't thinking how could i have a lean and rich code at the same time? o2 faliure! Trouble codes: 172 (lean always), 173 (rich always).
2000 Ford Explorer XLT 4.0L MIL Lamp on VIN: 1FMZU73E2Y
First i would like to thank all of you that tooked your time to reply. Most of the replies suggested clogged injectors. After double checking what we have already repaired and looking at fuel pressure and volume closely it appeared that dirty injectors was the... Trouble codes: P0171 (Bank 1 system lean).
1996 Geo Tracker 1.6L MIL Lamp on VIN: 2CNBJ1366T
Thanks to all that responded. We cleaned EGR ports and are waiting for the ready status. Trouble codes: P0400 (EGR Flow Malfunction).
2002 Land Rover Freelander S 2.5L compressor VIN: 2A20575900
This Freelander HVAC system is fixed! As I suspected the problem was with the instrument cluster but the fix was unexpected. The problem was that the data on the instrument cluster that defined that this vehicle had air conditioning was corrupted. I am guessin...
2000 Lincoln Continental 4.6L Surge VIN: 1LNHM97V4Y
Since I had already done the maintenance on this I havn't had the car back. I had a copy of the recalibration TSB & hoped someone would say this is a solid fix. (Lance did say there was a TSB on this issue). I guess I'll send my customer to the local Ford deal...
1997 Mercury Sable GS 3.0L radio VIN: IMEL55U2VA
thanks for the 3 replies I recieved... the manager decided to have an aftermarket radio installed so I'm not sure what the fix would have been. thanks to all who replied...
2002 Oldsmobile Aurora 4.0L Poor Idle Quality, Misfire, MIL Lamp on VIN: 1G3GS64C22
Hey Gang, Sorry for the slow response, I've been out of town. This rig is fixed. In short, It was the rear coil pack. I found this by swapping coil packs from front to back and watched the misfire move with it. This is a tricky system to test because the coils... Trouble codes: P0300 (Random missfire).
1997 Pontiac Grand Am GT 2.4L exterior running lights & gauge illumination VIN: 1G2NW12T4V
Thanks to everyone who answered. The problem turned out to be an aftermarket remote keyless wire. The scotch lock which connects the keyless power to the orange running light power wire opened and was touching the metal portion of the driver's kick panel. In...
2000 Saturn LS2 3.0L Starting VIN: 1G8JW52R94
Thanks for all the help. I found out from everyone that the tail lights are under a recall. I also found out that you can re-cycle the passlock by urning the key on for 10 min and then cycle the key off and on for a few min and cycle it qa 3rd time and the key...
1996 Subaru Legacy Outback 2.5L Misfire, MIL Lamp on VIN: 4S3BG6854T
The customer decided to give up on the repair due to the fact the engine had a noise in the bottom end & did not want to invest further in it.I narrowed down the problem to the IAC curcuit and what I believe was a wiring problem.Thank you for all the help.
1996 Subaru Legacy Outback 2.5L Head Gaskets VIN: 4S3BG6851T
Thanks Techs, I received 15 replies, and all contained valuable information. Based on what I have learned from the experienced Subaru techs I have the knowlege and confidence to tackel this job. I didn`t know about a camholding tool, (ignorance isn`t always bl...
1995 Volkswagen Cabrio 2.0L Cooling fan circuit VIN: WVWBB81E1S
The fix for this car was in fact a bad fan control module. Coolant overflow had gotten into the module and corroded most of the contacts for the cooling fan circuit.
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