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International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for November 4, 2014
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Open Help Requests for GM
Help Request Answers
1983 Chevrolet K30 Custom 6.2L Generator 1
Retired Gvt. 1008 (military 1 ton 4X4 Chevy pick up) now belong to rural fire department. Battery(s) not charging. Generator 1 lamp on. Need some help from someone familiar with this type electrical system. I spend many hours in these things & their CUCV cou...
2004 Chevrolet Malibu LS 3.5L Fuel System VIN: 1G1ZT54874
Vehicle came in running good for 30-40 minutes and then once it warmed up it would run rough for a few minutes and then run ok for a few minutes and then run rough again. I noticed the voltage would drop on the alternator so i changed the alternator and now th...
2005 Chevrolet Impala LS 3.8L No Start
Car came in with no start condition.no spark.found bad icm replaced and still no start.checked for spark fuel pressure. Both good.checked injectors omhs and injector pulses with noid light.both good.checked compression and 1 and 3 were low. Found leaking exhau...
2009 Chevrolet Malibu LS 2.4L Starting VIN: 1G1ZG57B69
Good afternoon I have a 2009 Malibu that's not cranking from the key. I have no crank request on the scan tool, also no B+ on the control side of the relay. I can read which gear the vehicle is in with the scan tool. The thing about this is I have communicatio...
1999 Pontiac Grand Prix GT 3.8L Misfire, MIL Lamp on VIN: 1G2WP52K2X
This car misfires on cyl's 2 & 5 (comes & goes) that starts @ 52mph or higher under steady throttle, I can watch the misfires on my scanner as well as feel it. It never misfires any other time. Previous shop replaced spark plugs, wires, coil (2 & 5 share coil)... Trouble codes: P0300

Fixes & Summaries for GM
Fix/Summary Answers
1999 Cadillac Seville SLS 4.6L Fuel pump VIN: 1G6KS54YXX
Most all responses suggested a rust penetrant which we tried as well as beating on the thing etc. To no avail. The retaining ring is about $5 our cost, about $8 to the customer so we just cut it off and replaced with the new pump. Here in Oregon we don't salt ...
2004 Pontiac Grand Am GT 3.4L Stall VIN: 1G2NW52E34
I guess we are throwing the towel in on this one. Last thing we tried was a new ignition cylinder and key. Not sure what else to do. Again when vehicle will not start which is for a very short 30 seconds to 2 min we do have fuel pressure and spark. Injectors h...
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