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Prev Professional Automotive Repair Technical Discussions for December 20, 2008
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Open Help Requests for GM
Help Request Answers
1994 Cadillac Seville SLS 4.6L servo vacuum and vent solenoid operation VIN: 1G6D452906
This Cadillac came in for 2 repairs and maintenance. One concern was that the cruise control was not working. Another shop had already made 2 attempts at repairing the system but the repair did not last. I found an extra ground wire near the servo that they ha...
2000 Cadillac Escalade 5.7L brake pedal VIN: 1GYEK63R3Y
while braking under normal conditions & turning right, abs engages in pedal after final moments of stopping. we have tried / replace / frt abs hubs w/ sensors & pigtail harnesses, master cyl, abs mod, removed rust build up from frt hubs in between hub & spindl...
2005 Cadillac STS 4.6L all gauges VIN: 1G6D0C67A0
Car was in minor accident started and drove off flat bed body shop went to bring car into shop no start towed to my shop car has push button start scaned with tech 2 23 u codes all no comunication codes cleared all codes when your push the start switch cluster...
1997 Chevrolet Cavalier 2.2L Hesitation VIN: HJWEUY8709
97 cav 2.2l suddenly started up running rough on a very cold night within 1 min catalytic was red hot its only running on cyl 2 and 3 no check eng light i changed coil 1 and 4 with a known good one and still no spark for cyl 1 or 4 ign module? pcm? ran...
2004 Chevrolet Trailblazer LS 4.2L Excessive Emissions, Poor Idle Quality, Hesitation, Cuts out, Misfire, Poor Fuel Economy, MIL Lamp on VIN: 1GNDT13S84
Missed out bad and was steaming like a head gasket but smelled like raw fuel and missed bad and was running hotter than normal. Suspecting a bad injector brought tools to diagnose but now the fault has disappeared. I was wondering if anyone had ever had one of... Trouble codes: P0300 (Engine misfire), P0020 (Injector 2 fault)
1998 GMC C3500 HD 6.5L Misfire VIN: 1HTSCAAM6W
International 4700 truck is realy what im working on, sorry about the gmc. I have a 98 inter 4700 series truck with dt466. It is 1 of my wreckers. I have just purchased this truck and i dont know much about the history about it. The first 100 miles i put on it...
2000 GMC Savana 1500 4.3L rear lighting VIN: 1GTEG15W7Y
the problem with this van is when parking lights are on then when you press foot brake only top light works but when parking lights are off brake lights work ok.changed brake switch still same. not sure where to go with this one hope some one has seen this bef...
2001 Saturn L300 3.0L horn VIN: 1G8JW54R1Y
customer uses key fob to enter car. inserts key and turns alarm sounds--3-10 x worse when it is cold ck horn relay working need help to bring this one to closure. i assume that i have a bad bcm or passive key system help
2006 Saturn Vue 3.5L Misfire, MIL Lamp on VIN: 5GZCZ63406
Hi guys, This is my first help request, and boy do I need it! I'm working on a '06 Saturn Vue with the Honda 3.5L v-6 that's got misfires at idle only on cylinders 2 and 3. Engine runs strong and does not misfire off idle. In addition to the tests listed, I've... Trouble codes: P0300 (Misfire cyls 2 and 3 are misfiring)

Fixes & Summaries for GM
Fix/Summary Answers
1985 Chevrolet S10 2.8L No Start, Poor Idle Quality, Hesitation, Stall, Misfire VIN: 1GCC514B5F
The vehicle was fixed by replacing the distributor/pick up with anothe new module, as many had sugested it was a timing issue. I ohmed the old pickup and new pickup and both were the same at 800ohms. Replaced it antway and it is fixed. I was able to set the...
2001 Chevrolet Impala 3.4L temp gauge VIN: 2G1WF52E51
thank you for all the responses,it was the thermostat.when the coolant fails to reach preset target temp. before a calculated air flow is acheived it should set a code 128,which then defaults to no temp gauge and cooling fans operate.the car had heat before an...
1993 Pontiac Grand Am SE 2.3L steering VIN: 1G2NE5432P
Good evening to all After the information I received fromm all of you, I took a good look at the tires and I could see they were toed out really bad.I don't know who put the struts on but anyway suggested customer to have alignment.I just called him to see ho...
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