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Prev Professional Automotive Repair Technical Discussions for January 31, 2009
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Open Help Requests for GM
Help Request Answers
2005 Cadillac SRX 4.6L steering VIN: 1GYEE63A25
Hi all thanks in advance for any help received. I have a cadilac srx it has no steering assist sitting still you can barely turn steering wheel driveing down the road seems to be fine. I had customer take to cadilac and they said the pump and pressure hose wer...
2001 Chevrolet Impala 3.4L Monitors Not Set VIN: 2G1WF52E71
Hello Every One. I Got One Here. Car Came In With Engine Light On. Found 2 Codes Cat Efficiency & Fuel Gauge Module Shorted. Replaced Fuel Pump Module Remember Its In Trunk Access Hole. Also Replaced Cat With OEM From Dealer.Already Went Around With After Mark...
2002 Chevrolet Trailblazer LS 4.2L Poor Idle Quality, MIL Lamp on VIN: 2MECM75WIN
2 problems,first and main is a vibration at idle only and worst cold,fells ok in reverse but vibrates in all other, PND123. I know, sounds like a motor mount, but mounts seem ok? so we dont know the one to start with. the vibration seems harmonic and is felt i... Trouble codes: P0014
1999 GMC Sierra 1500 SL 4.8L Cluster VIN: 2GTEC19V0X
The Odometer and PRNDL display on this truck will come and go. I have removed the cluster and can recreat the problem by flexing the small circuit board that is solder onto the large (main cluster) circuit board. Does anyone know what goes wrong with this and ...
1995 Oldsmobile Achieva S 2.3L cooling fan VIN: 1G3NL52T6T
Engine fan runs as soon as car is started, and does'nt cycle like I feel it should. I checked the fan relay visually/audible noise can be heard from switching, when plugging in and out of the harness. I thought it might have stuck in a closed position but cann...
1993 Pontiac Grand Prix SE 3.1L Excessive Emissions, Poor Idle Quality, Poor Fuel Economy VIN: 1G2WJ14T7P
This car has a erratic idle. It will run rough and smell very rich and then smooth out and idle at a higher rpm.When it is running bad the map sensor goes up about a volt fuel trims go up to ST 174 LT 156.It apears all you have to do is touch the throtle a lit...
1997 Saturn SL2 1.9L engine VIN: 1G8ZK5274V
Thanks in advance. Car came in with check engine light on. Scaned for codes p0341 crank sensor. We saw that when the car was running spark was coming from the crank pully. The crank sensor is in the rear of the block. Pulled sensor and inspected for cracks. No...
2001 Saturn SC2 1.9L No Start VIN: 1G8ZY12781
three days ago car was towed in as a crank/no start. checked for spark and fuel. both good. found spark plugs worn and somewhat fouled with antifreeze. found tsb for updated intake manifold gasket to prevent coolant from leaking and fouling spark plugs. before... Trouble codes: P1599 (engine stall condition detected/history code)

Fixes & Summaries for GM
Fix/Summary Answers
1992 Chevrolet K2500 Cheyenne 5.7L no power VIN: 1GCGK24K6N
thanks to randy [...] for having me check trans data on scanner instead of engine data. trans position was working ok. turned out to be low fuel pressure like most of you guys thought. thanks.
1997 Chevrolet K1500 Cheyenne 5.7L Misfire VIN: 1GCEK19R1V
MOST OF YOU SAID DO A COMPRESSION TEST WHICH WOULD HAVE BEEN MY NEXT STEP IF CUSTOMER CALLED AND SAID HE WANTED TRUCK BACK AFTER MUCH TALKING TO HIM I GOT THE REST OF THE TRUTH OUT OF HIM. WHEN HE DROPPED OFF VEHICLE HE STATED ANOTHER SHOP HAD REPLACED ENGINE ... Trouble codes: P1345 (cam/crank correlation), P0340 (cam sensor problem), P0300 (missfire), P0131 (o2s signal low b1s1), P0102 (mass air flow circuit low), P0101 (mass air flow out of range).
2001 Chevrolet Silverado 1500 4.8L Starting VIN: 2GCEC19V51
Thanks for all the help. I did replace the chassis harness when I replaced the fuel pump. I check out the fusebox and replaced the relay. Working good.
2002 Chevrolet S10 4.3L heater VIN: 1GCCT19WX2
First off, want to say a big thanks to Norm,Christopher,Jose,Don, Stephen, Dick, James, Kevin, William, Alex, Philip, Austin, Rick & Karl for their input. Everything I looked at told me we had a restriction in the system. My customer was bullheaded as well as ...
2002 Chevrolet Trailblazer LS 4.2L Poor Idle Quality VIN: 1GNDT13S82
had some interesting respones. Some f you did suggest t inspect timing. Instead I elected to pull the valve cover and inspect the variable timing system. Found that the variable cam actuatr (cam gear on the exhaust side) was seized. replaced it and shes just f... Trouble codes: P1345 (CMP/ CNK correlation).
2003 Pontiac Bonneville SE 3.8L Fuel Injectors VIN: 1G2HX54K83
1st. of all, THANK YOU ALL! Albin, Matt and Harv gave me help in Chat area too. Ray, your idea for me to check ALL injectors, was the lead I needed. I was "randomly" checking for drive signals. After I ohm checked them(11.3-11.6), I found that #1 and #5 had ...
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