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International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for October 8, 2014
International Automotive Technicians' Network (iATN) - Members Only
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Open Help Requests for GM
Help Request Answers
1998 Chevrolet Metro 1.0L MIL Lamp on, o2s2 VIN: 2C1MR2266W
We have been trying to squeese this through emissions test and drove it over 200 miles with "Cata Clean" in the tank. It would not get ready and the rear o2 is following the front. Customer is a working mom with no money. Finally it threw the p0420 again. I ge... Trouble codes: P0420
1999 Chevrolet S10 4.3L Hesitation, Surge, Misfire, MIL Lamp on
Truck came in with p0171 p0174 p0300 p0305 check injectors ok check compression 150 all check leak down test install new injectors new spark plug, wires, distributor rotor distributor cap, notice voltage at number 5 was 30kv the rest ok fuel filter was plugged... Trouble codes: P0300 (p0304-), P0304 (p0305-), P0305
2002 Chevrolet Trailblazer LS 4.2L MIL Lamp on VIN: 1GNDT13S32
We could not get spark plug removed so we got the tools in order to hold camshafts in the rear and the wedge tool for timing chain and removed cylinder head to have repaired. Wedge tool did pop out causing tensioner to fully extend out but thanks to IATN, we u... Trouble codes: P1345 (Cam/Crankshaft variation), U1000 (Class II serial data)
2003 Chevrolet Silverado 2500 6.0L booster/steering/braking VIN: 1GCHK29U83
Current issue: After vehicle driven for 20 minutes around town at low speeds the steering assist will become very stiff, braking performance poor & the power steering pump will begin to make noise. Issue originally began with power steering pump & gear failure...
2006 Chevrolet Colorado LT 3.5L Poor Idle Quality, Hesitation, Cuts out, Stall, Lack power VIN: 1GCCS19646
Truck originally came in with misfire codes. Testing showed low compression on cylinder 4. Leak down proved intake valves not sealing. Tear it down and send it to my trustworthy machine shop to have valves redone. I used special tool to hold tensioner in place... Trouble codes: P0017
2000 GMC Savana 1500 5.7L Ignition VIN: 1GDFG15R8Y
Installed reman engine due to internal failure. Replaced spark plugs, cap, rotor, wires, and CPS. Set the valve lash,and set camshaft retard offset. Had a misfire on cylinders 2 and 3. After re-checking and replacing ignition parts the manufacture of the engin...
1994 Oldsmobile 88 Royale 3.8L No Start, Cuts out, Stall VIN: 1G3HN52L1R
car came in with a no start condition. tested fuel preasure. none. replaced fuel pump. started and check engine light came on. p0342 cam sensor circuit code. tested cam sensor circuit-- ok. replaced cam sensor. light still comes on. intermittent no start.when ... Trouble codes: P0342 (Cam sensor circuit)
1997 Pontiac Grand Prix GTP 3.8L Cruise Control VIN: 1G2WP121XV
Thanks for any and all help with my car from hell. Cruise control will not operate. We have worked on this several times over several weeks with no success. Cruise does not set and at one time early on set a code p1662 for inhibit circuit. Myself and another t...

Fixes & Summaries for GM
Fix/Summary Answers
2008 Pontiac Torrent 3.4L washer pump VIN: 2CKDL33F18
Thanks to all members who replied. The answer is the relays for the wipers and the wiper washers are non serviceable requiring power dist. center replacement. Quick way to check the relay oper, remove the interior center dash trim to gain to the bcm. Remove b...
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