× Auto Repair Pros Member Benefits TechHelp Knowledge Base Forums Resources My iATN Marketplace Chat Pricing About Us Join Industry Sponsors Video Members Only Repair Shops Auto Pro Careers Auto Pro Reviews
Join Now
International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for November 22, 2010
International Automotive Technicians' Network (iATN) - Members Only
(Also Available: All, Asian, Chrysler, European, Ford, GM.)
Vehicle Owners: If you are seeking an automotive repair professional to service your vehicle, visit the iATN Repair Shop Finder.

Open Help Requests for GM
Help Request Answers
1997 Cadillac Seville SLS 4.6L battery VIN: 1G6KS52Y6V
I have this cadillac the battery goes dead over night. I have preformed an amp draw found that it would dropdown to .245amp and bounce on its own up to 2.4amps irraticaly. If ipull the comfort fuse or the bcm the draw is gone also the controlled power relay is...
2006 Cadillac SRX 3.6L No Start, Stall, MIL Lamp on VIN: 1GYEE63796
Hi Guys thanks in advance for any help. We replaced a 2006 3.6 Cadillace SRX engine with an 2007 3.6 used engine the supplier told us it was compatable. The wiring for the cam and crank sensors is different, we were told we just had to swap the old sensors int... Trouble codes: P0366, P0347
1988 Chevrolet Celebrity 2.8L Hesitation, Stall VIN: 1G1AW51W6J
hello fellow iatn techs, we have a 1988 celebrity with a 2.8 mpi motor. the car came in with no power what so ever. it takes forever to get the car to 50 mph. thr cat was broken openn so we welded a new one in. we checked fuel pressure and according to specs w...
1995 Chevrolet G20 Chevy Van 5.7L Cuts out, Stall VIN: 1GAGG35K2S
vehicle came in hardly moving but the cust got it here- started off simple and founded cracked cap / rotor beaten plugs so did the whole tune-up started up but stalled after 15 seconds. Dug deeper into it and found issues with the Map sensor unplugged it would... Trouble codes: 22 (Tps), 33 (Map)
1997 Chevrolet Corvette 5.7L Steering column Lock VIN: 1G1YY22G9V
Alright I have no idea where to start with this one. This corvette won't go over 2mph due to the steering column lock engagement. The actual column lock is not holding the column but I get repeated warnings from the cluster to either pull key wait 10 sec or se...
1998 Chevrolet Cavalier 2.2L MIL Lamp on VIN: 1G13C5246W
I started out with code 107 for map .replaced map same code came back.i have checked all wiring .map sensor will show zero voltage while using scan tool.i can disconect battery cable and voltage will remaom correct until you turn it off .before you start it ag... Trouble codes: 107 (map sensor)
2001 Chevrolet Silverado 2500 HD 6.6L Poor Idle Quality, loud tap/knock VIN: 1GCHK29151
veh. had a bad injector (the balance rates were out of spec.)replaced all eight injectors and changed the fuel filter.put new block heater in the old one was shorted.new coolant and changed the oil and filter.primed the fuel system.after three attempts it star...
2002 Chevrolet Cavalier 2.2L transmission shift VIN: 1G1JC52482
This vehicle blows fuse for ERLS 10 amp intermittently. Can drive for days sometimes weeks and no problems. When fuse blows the transmission does not shift. Checked small pink wire form 10 amp fuse at inside of fuse box to transmission and brake light switch. ...
2003 Chevrolet Monte Carlo LS 3.4L hard starting VIN: 2G1WW12E93
customer had this towed in for surging,missing cutting out. checked no codes,verry long crank time,thought fuel regulator but not leaking. key on fuel goes right up to 55/60lbs and will actually hold some pressure overnight. i dident like the pressure reading ...
2004 Chevrolet W4500 Tiltmaster W4S042 6.0L Hesitation VIN: 4KBC4B1U94
Hi Everybody and thank you in advance for stopping by and for your advice. Here is the thing, according to the driver,this only happened one time, he inserted the key into the ignition switch and the engine started without turning the key , and another thing, ... Trouble codes: U0107 (Lost com with throttle actuator), U1041 (Loss of EBCM/EBTM Communications)
2005 Chevrolet Optra 2.0L many VIN: KL1JD69Z55
I'm an automotive instructor at a community college. One of my students has some issues with her car. In her words ... I have owned my car for just over a year and this problem has probably occured about 20 times in that length of time. The car runs fine but ...
2006 Chevrolet HHR LS 2.2L trans control and steering VIN: 3GNDA13D56
car came in from another shop with P0700 but could not read transmission codes. we found U0073 in transmission but have no info on this particular code. any help would be appreciated. thanks.
1997 GMC C6500 6.6L Emergency Brake Module VIN: 1GDJ7H1J6V
Hi all, This 97 C6500 came into my shop on a hook from a very good customer. The e-brake would not disengage. This truck has a drum style e-brake on the tail of the transmission. It is cable controlled by an actuator that is spring-loaded to set - but is hydra...
1999 GMC K2500 Sierra SLE 7.4L long cranking time VIN: 1GTGK23J9X
This truck has a long cranking time if it sits between an 1-2 hours. It always starts but cranks over about 5-6 revolutions before it fires up . If the truck sits for 10 minutes or overnight it will fire up right away .I have checked spark and fuel pressure at...
2000 GMC Sierra 1500 SLE 4.8L oil level VIN: 1GTEK19V3Y
This truck has the oil level rising.The customer has drained oil out of it twice. The oil and filter was changed and it came up 2L in about 1200 km. When I changed the oil I marked the fill cap to see if this was having oil added without the customer being awa...

Fixes & Summaries for GM
Fix/Summary Answers
2001 Buick LeSabre Custom 3.8L door locks
Thanks to all for the idea's for the repair. Not to sure what may have fixed it because I checked and cleaned many different things that were suggested. My gut feeling was the negative battery cable under the rear seat as it seemed to be corroded. Not positive...
2007 Buick Rendezvous CX 3.5L Windshield Wipers VIN: 3G5DA03E37
I did not fix this vehicle , however the vehicle was brought to another iATN member Technician , closer to where the customer lives. Turns out the problem was related to a remote start installed last month. The other shop has repaired the vehicle and all is we...
1995 Chevrolet Astro 4.3L Poor Idle Quality, Surge, MIL Lamp on, Suge at idle VIN: 1GNDM19WXS
Thanks to all who responded YOU'RE GREAT!!! James from Texas & Conrad from Maryland really helped me understand the Ignition circuitry.Thank you,Thank you Thank You. In the process of chacking The EST circuitry I found 2 Wires at the PCM bulkhead connector t... Trouble codes: 32 (EGR position out of range), 42 (EST problem), 45 (O2 fixed high).
2003 Chevrolet Blazer LS 4.3L No Start, Stall, Misfire VIN: 1GNDT13XO3
Close the book on this one, for now, Thank you all for your assistance, but were out of time, and customer is taking vehicle elsewhere. That's how it goes sometimes. If I find out what it was, I'll amend this one to help others.
2007 Chevrolet Malibu LS 2.2L electric steering VIN: 1G1ZS58F57
I replaced the torque sensor\motor part on the column and reprogramed the center position. The recall didn't apply to the car for some reason, that was checked before at the beginning of the repair. Couldn't find a for sure test to verify this problem just...
1996 GMC Jimmy SLE 4.3L readiness monitors VIN: 1GKDT13W6T
thanks to everyone that helped. i tried a new battery, and everything reset but the cat. drove the vehilce about 30 miles and the cat finally set. evrything is good. thanks again to all those that replied, and have a nice thanksgiving.
Prev (Also Available: All, Asian, Chrysler, European, Ford, GM.) Next