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Prev Professional Automotive Repair Technical Discussions for January 7, 2013
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Open Help Requests for GM
Help Request Answers
1992 Buick Park Avenue Ultra 3.8L Abs VIN: 1G4CU5319N
Vehicle in question is a 92 Buick Park Avenue Ultra 3.8. Vehicle came in with ABS and Traction off lights. pulled codes 45 and 61 from module. Tested PMV's affected solenoid and all other solenoids. All ohmed out fine. Tested wiring from Ebcm to PMV. Wires vo...
2004 Buick Regal LS 3.8L turn lever VIN: 2G4WB52K64
This problem is something new to this costumer The car will stall after it starts when one puts on the turn signal either left or right.Car will start again when put in park but will stall as soon as turn lever is activated.The battery had a very low charge an...
2004 Cadillac DeVille DTS 4.6L MIL Lamp on VIN: 1G6KF57934
Got this 04 Deville in the shop.Has code p0481 for the fan relay2 circuit that wont go away.Been up to a tranny shop to have the transmission repaired & came back to me now setting this code.Thought maybe it was something they had done.Everything seems to be i... Trouble codes: P0481
2001 Chevrolet Express 2500 5.0L No Start VIN: 1GCFG25M01
hy this van got a no starts problem when is cold outside at -20 it crank but no starts.i have replaced the spark plug the cap the wire and the coil this fall .the fuel pump and the filter were replaced last summer .i have tried to put somme gas in the throttle...
2001 Chevrolet Express 3500 5.7L No Start VIN: 1GBHG31RX1
The truck is a start and stall. Anti theft kicking in. Code p1626 Where is the Passlock Module on this 2001 5.7L Chevy Express 3500 Been told below center of dash. Thats no help. What do i have to remove behind the dash to find it? Have no 12 volt power to the... Trouble codes: P1626
2006 Chevrolet HHR LT 2.2L Stall VIN: 3GNDA23D56
This HHR came in just 2 weeks ago with a bad misfire. Found valve cover gasket leaking oil into spark plug tubes and a bad coil. Replaced plugs, insulators, coil, and valve cover gasket. It ran great but wanted to stall at idle. I cleaned the throttle body wit...
2007 Chevrolet HHR LT 2.4L No Start, no crank VIN: 3GNDA33P87
Vehicle was towed in. Customer has a complaint of no crank, with the key intermittently sticking in the ignition. DTC check showed no communication with the following modules: ECM, TCM, EPS. Found that run/crank relay(#51 in underhood relay center) is not powe... Trouble codes: B1370 (device ignition 1 circuit short to ground)
2008 Chevrolet Trailblazer LT 4.2L Stall VIN: 1GNDT13S28
I need some help here, this trailblazer was towed in with a start, then stall issue. When it showed up, it was a no start, no ground from the ecm to the starter relay. Replaced the ecm, sent it to dealer for flashing, came back with a start, then stall after a... Trouble codes: U1301 (Class 2 communication circuit low voltage), P1630 (Theft learn mode or system volt EPR)
2007 GMC Acadia SLE 3.6L ride VIN: 1GKER13747
Need some help from some gmc techs. The information i posted is for a 2007 acadia. I also have a 2009 acadia with the same problem but not quite as bad. Both have the 3.6 & 6 speed auto. The 09 is all wheel drive. Both of these acadias will have a shake in wh...
1999 Oldsmobile Intrigue GL 3.8L No Start VIN: 1G3WS52K8X
Hello everyone, here's one for ya.. This one is a no start. The wierd thing is during cranking it bucks and spits acting exactly like an old 350 would if you stabbed the distributor 180 out. Compression is good and timing chain is lined up with no slack what-s...
1993 Pontiac Grand Am SE 2.3L Surge VIN: 1G2NE5431P
Vehicle intermittently has a mid-range (3000-4000 rpm) surge on moderate to hard acceleration. Replaced fuel filter and spark plugs about 2 weeks and 250 miles ago for this concern, plugs were worn and fuel filter was completely plugged. Didn't surge for a few...

Fixes & Summaries for GM
Fix/Summary Answers
2002 Cadillac DeVille 4.6L Accessories VIN: 1G6KD54Y32
Thanks for the help. The wires in the B Pillar were broken. I have never seen this before, but I dont work on a lot of Cadillacs. I was able to splice and solder them back together with the addition of some additional 14awg wire to preserve the original length...
2006 Chevrolet HHR LS 2.2L steering gear motor VIN: 3GNDA13D66
thank you members for all your help. the customer decided to go for the colum replacement,though more expensive,that did solve the problem.dealer will only warranty motor. but the root problem is in the colum.
2007 Chevrolet Express 1500 4.3L No Start VIN: 1GCFG15X77
Thanks to all that responded. I did try to start it on intake cleaner and propane before, it is GM spider style fuel injection so pulse width wasnt checked. I did check the cap and rotor, thought it looked good. A number of you commented to try a new cap and r...
2002 GMC Sierra 1500 SL 5.3L battery VIN: 2GTEK19T52
Apparently it was the RAP#1 relay.I allowed the vehicle to sit for 5 days after I replaced the relay,battery did not drain. I then allowed it sit an additional 2 days outside in fridgid cold to see if the cold had an effect. It started without any issues.I shi...
1998 Saturn SL1 1.9L No Start, Poor Idle Quality, Cuts out, MIL Lamp on VIN: 1G8ZH5289W
Sorry about long post. Thanks to all the replies, very helpful info! Vehicle stayed with us for almost 2 weeks, do further testing. We cleared all the codes. we road tested vehicle serveral miles, ran good. As all of you suggusted retested for voltage drops, a... Trouble codes: P0201 (through P0204 Cyl. 1-4 injector circuit problem), P0141 (O2 heater circuit bank 1), P0600 (Serial communication link problem), P1215 (Ground Fault Detect/Quad Driver Output), P0606 (PCM internal processor fault), P1625 (PCM System Reset Or TCM Flash Fault).
2006 Saturn Vue 2.2L clutch master
Thanks for all replies,I still want to figure out what this thing does,I did get the car repaired and bleed out with my co-workers vacum bleeder,Thanks
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