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International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for September 14, 2008
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Open Help Requests for All Makes and Models
Help Request Answers
1997 Chrysler Town & Country LXi 3.8L Poor Idle Quality, Hesitation, Surge, Cuts out, Stall, Misfire, MIL Lamp on VIN: 1C4GP64L2V
this vehicle came in running rough intermittantly, spitting sputtering with check engine light on. scanned code returned cam/crank sensor. replaced both still have problem. just started van and today it purrs like a kitten. checked wiring over pretty good now ...
1998 Dodge Caravan 3.3L pcm VIN: 1B4GY54R4W
HOW TO GET SECURITY PIN FOR REPROGRAMMING PCM. We have this Dodge Caravan (ex-port) VIN [...] that we changed PCM and I can't get the "SKIM" PIN security number to reprogram the VIN#. I connect to tech-connect per DRB3 instructions say to do "Conne...
2002 Dodge Durango Sport 4.7L idle speed inop ,engine stalls,Check engine light VIN: 1B4HR38N22
problem is alternator not charging , causing iac & a/c relay to be inop, until proper volt is there, this causing engine stall.Pcm should pulse 12 volt to alternator to manitain charging system operation. At field circuit i am getting only 1 to 1.78 volts, no ...
1999 Ford Crown Victoria LX 4.6L Traction Control VIN: 2FAFP74W7X
We have here a vehicle that when you go faster than 45 mph the traction control kicks on and slows the vehicle.We have checked the wheel speed sensors on the scanner and there is no variation between them.What can cause this system to engage with no speed sens...
1999 Ford Contour LX 2.5L Surge VIN: IFAFP6615X
hi techs I have this 99 contour here with idle speed surge when ac on what I mean is idle speed steady at 900 rpm whenever ac compressor kick in engine rpm would kick up 1150 rpm right away that quick rpm increase cause the launch forward in gear at idle.scan ...
2000 Ford E-350 Econoline Club Wagon Custom 7.3L Hesitation, Misfire, MIL Lamp on VIN: 1FDSS34F6Y
Hello all, Thanks for checking out this post. This van has been in and out of most of the shops in my area (dealer too). At cruising speed, upon light throttle application the van intermittently exhibits a loss of power and skips. During road tests it will r... Trouble codes: P1670
1998 GMC K3500 Sierra SL 7.4L abs brakes VIN: 1GTHK34J6W
customer brought truck into shop with brake pedal complaint. pedal was "soft" and felt like truck wasn't going to stop sometimes. also could feel and hear "buzz" when depressing pedal at slow speeds. seems to be worse at slow speeds and easing into pedal. peda...
2003 Honda Civic EX 1.7L MIL Lamp on VIN: 1HGEM21542
MOD step 10 says to disconnect both vacuum hoses from the evap two way valve and connect a vacuum pump to the canister port on the two way valve. Step 11, turn ignition on. Step 12, apply vacuum to the hose. Does the valve hold vacuum? No. Then they want you t... Trouble codes: P1457 (Evap control system leakageevap canister system)
2002 Jeep Liberty Renegade 3.7L Engine VIN: 1J4GK38K22
This is a new customer, been in for oil changes only. 2 to be exact. I noticed on both oil changes this vehicle used 3+ quarts of oil between oil changes. This vehicle runs like a top, engine is quiet, plenty of power and does not smoke. It is also dry as a bo...
1984 Nissan 300ZX 2+2 3.0L fuel gauge VIN: JN1HZ16S7E
i removed a working sender and sent this to him. after installing this part himself, he said that the fuel gauge reads full with 1/2 tank level. i am not there to check anything, but any help would be appreciated. the wiring to the sender is acccessable, but i...
1995 Pontiac Firebird 3.8L Turn Signals VIN: 2G2FS22K3S
Hey folks I kind of have a wierd one here. I've seen this once before years ago. This firebird has a problem with the turn signals. The 4-way flashers work. All lights burn and flash as they should. The left turn signal works correctly, all light on and flash ...
2004 Saturn Vue 3.5L Misfire, MIL Lamp on VIN: 5GZCZ53484
this 2004 vue has a misfire code p0300 and p0301-306 at idle fuel psi is good, did all the usual tests, swaping plugs coils, mass air flow coolant temp etc, cylindres 2,4,5 miss continously while the others only once in awhile, off idle engine runs perfect, i ...

Fixes & Summaries for All Makes and Models
Fix/Summary Answers
1996 Chevrolet Lumina APV 3.4L spark plug removal VIN: 1GNDU06E7T
When I got my first reply I removed the alternator (and that was a task in itself on this APV mini van) I jumped right in and was able to get to the first plug but was not able to get to any of the rest. A/C and heater hoses along with wiring harnesses were a...
2000 Chevrolet Silverado 1500 5.3L MIL Lamp on VIN: 1GCEK19TXY
first of all i want to thank everyone who replied. the response was incredibly fast and useful. although the costomer declined repair at this time i was able to charge him for my diagnostic time. to all of you who mentioned the use of a pyrometer to check the ... Trouble codes: P0137, P0157.
2001 Dodge Dakota 3.9L electronic t-case VIN: 1B7GG22X31
Sorry about the late posting, we have beem buried at work. We only recieved 2 responses, one for speed sensors, one for binding in driveline. There is not a front speed sensor on this unit, and we had tried with a slight roll and also on a lift to eliminate ...
2001 GMC Yukon XL 1500 SLT 5.3L No rev above 2500 VIN: 1GKFK16T11
Thanks to all of you that responded. Finally was able to get this vehicle out the door. It ended up being a defective fuel pump. I guess new part doesn't always mean good part. The flexible line in the module assembly was too long and when the unit was com...
2002 GMC Envoy SLE 4.2L battery VIN: 1GKTD13S82
Thank you to all, especially Tim, Doug, Matt, Brion, Robert, and Richard. Unfortunately, last evening I was stuck with Pep Boys,no access to cable/terminal suppliers or NAPA. Several of you recommended very good solutions but they all involved hard- ware that ...
1991 Lexus LS400 4.0L Unknown VIN: JT8UF11E7M
Gentlemen, Thank you for all of your valued assistance. Chris hit the nail on the head. It had a bad high side hose on the compressor acting like a bad brake line. Chnged hose recharged all is well. Thanks again for all of your help...
2000 Pontiac Montana 3.4L Surge VIN: 1GMDX03E2Y
Found that GM had a special bulletin for this problem with this trans, but it did not include the Montana. To verify the problem a Tech 2 is used to take a snapshot and download to a techline terminal and graph the TCC duty cycle. If a sawtooth pattern is pres...
2003 Subaru Legacy L 2.5L Unknown VIN: 4S3BH36553
Greetings, It seems as though This one is fixed. Most of the responses referred to the viscus coupler as the culprit. Charlie from California recommended lubegard trans additive, so I gave it a try. The problem was gone before I finished my road test! The ...
1989 Toyota Celica GT 2.0L MIL Lamp on VIN: JT5ST62K4K
Well, Here we are, 30 days after I posted the original help request. So far I have contacted the customer once, and the check engine light is still out. I'm calling that fixed (one would think after all we went through he would have informed me if it was back... Trouble codes: 25 (system lean).
2003 Volkswagen Passat W8 4.0L Misfire, MIL Lamp on VIN: WVWUK63B53
Thanks to all who helped me with this rare engine. It was the cam adjusters and may I ad a huge job. Screens designed to keep parts clean end up causing the failure. Ha.Oh well that's the way it is.Thanks again,Nasser Trouble codes: P0011.
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