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Prev Professional Automotive Repair Technical Discussions for January 16, 2014
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(Also Available: All, Asian, Chrysler, European, Ford, GM.)
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Open Help Requests for GM
Help Request Answers
2007 Cadillac CTS 3.6L No Start VIN: 1G6DP57747
Had a 2007 Cadillac come in, were it will not start when it is cold. Our shop sent the car out to another shop were the diagnosed the car and said the engine was bad, due to oil on the spark plugs. They started it with either, and took awhile for it to run on ...
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1989 Chevrolet R1500 Suburban Scottsdale 5.7L Cuts out, MIL Lamp on VIN: 1GNER16K0K
This Sub. belongs to my neighbor, I got him a new aftermarket dist. after his failed (no spark, pick-up was cracked). He brought to me, had no fault codes or symptoms before failure except slight surge @ idle. After dist. installed, MIL would come on at hwy./c... Trouble codes: 42 (Electronic spark control)
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2008 Saturn Vue XR 3.6L Surge VIN: 3GSDL63708
hello all, when you first start and drive this thing it runs fine and data looks good. after about 3-5 miles my fuel pressure drops from 56psi to 40psi. on my data list it has desired and actual and the desired goes from 56 to 40 witch matches actual. when the...
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Fixes & Summaries for GM
Fix/Summary Answers
1994 Cadillac Commercial Chassis 5.7L No Start VIN: 1G6DW52PXR
Wow, huge response on this one. Most everyone pointed to the crankshaft position sensor. I found the testing procedure in Alldata, and there is a very good video on You Tube, (). I confirmed that it was indeed the cran...
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2000 Chevrolet Silverado 1500 4.8L MIL Lamp on VIN: 1GCEK14V7Y
Thanks to all 35 people that replied. Sorry it look so long to get this truck back in the shop. After the request was opened, we had an ice storm that closed us for 2 days and a Blizzard with 48 inches of snow that closed us for 3 days!Things are back to norma... Trouble codes: P0171, PP017.
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2007 Chevrolet Impala LT 3.5L high idle VIN: 2G1WT55K37
Last night I drove the car home (24 miles round-trip) & made no difference on idle. This morning we re-programmed the Pcm again HOWEVER we picked a "NEW" computer when being promted & this somehow was the trick. Actual & desired idle is the same & all is good....
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2006 Hummer H2 6.0L 4wd VIN: 5GRGN22U36
Thanks for all the responses. The truck was sent to the transmission shop and the transfer case was rebuilt. As most of you suspected, the shift fork was melted and distorted. It really is a shame for the customer because the transmission and transfer case wer...
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