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Prev Professional Automotive Repair Technical Discussions for November 24, 2012
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Open Help Requests for GM
Help Request Answers
2004 Cadillac Seville SLS 4.6L Misfire VIN: 1G6KS54Y44
At idle has an intermediate misfire on multiple cylinders. Stores the listed codes. Seems to run fine otherwise. Trouble codes: 171 (Lean bank 1), 174 (Lean bank 2), 300 (Misfire), 150 (o2 sensor fault b2s1)
2003 Chevrolet Astro 4.3L bad crankshaft VIN: 1GCDM19X43
Hi. here again.this time I need some suggestions as how to get the engine out of this it better by the front o by the bottom.I do not see enough room on either side.the front grill is one piece so it can not be removed.I need to get it out in one p...

Fixes & Summaries for GM
Fix/Summary Answers
1992 Chevrolet K3500 Cheyenne 6.5L Unknown VIN: 1GCHK34F9N
I ended up taking this truck to the local transmission shop. I know the owner well and he drove the truck and the problem baffled him as well. When the test drive was done he mentioned that "it could be anything... this is a very strange problem," etc, etc. ...
1999 Chevrolet W3500 Tiltmaster W3S042 4.8L Oil blow by from breather tube VIN: J8BB4B158X
Thank you Ward you were right on the money and everyone else for the help with this nightmare but its not over yet,the turbine shaft was broken and lots of oil in the intake hoses. Replaced the turbo with new unit and cleaned hoses best we could smoked a while...
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