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Professional Automotive Repair Technical Discussions for February 25, 2011 International Automotive Technicians' Network (iATN) - Members Only |
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Open Help Requests for GM
| Help Request | Answers | |
| 1998 Cadillac DeVille d'Elegance 4.6L Accessories VIN: 1G6KE54Y9W Thanks in advance.Yhis caddy is killing me,will start then stall in 3 seconds,it had flashing airbag light,flashing boxes around prndl,and message stateing theft system ,vehicle may not start,i also have no communication with any module no radio,and just -- on... |
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| 1994 Chevrolet Camaro Z28 5.7L No Start VIN: 2G1FP2219R Vehicle will not start unless gas pedal is floored for cleer flood mode. Injector pulse width during crank can reach up to 100ms. Once started runs perfect. No codes found. Checked all pids during crank all look normal. Checked powers and grounds at ECU during... |
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| 1995 Chevrolet Blazer 4.3L No Start VIN: 1GNCT18W5S Vehicle originally came in with a no start problem that only occured when vehicle was shut down after driving.After shutting vehicle down for 1 hour and sitting with engine off it would crank but no start.We found no injector pulse from VCM to injector spider.... |
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| 1998 Chevrolet Astro 4.3L highbeam, f/r turn VIN: 1GNDM19W1W The high beam indicator and headlamp stays on plus the right turn indicator and front turn lamp stays on with the ignition key off and headlamps switch off. Replace combo switch because of 2 broken wires. Here where I am now I pull allfuses inside lamps stay ... |
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| 2001 Chevrolet C-Series Kodiak C6H042 7.2L Fuel Gauge, cuise control VIN: 1GBK7H1C41 1) Requesting links to wiring diagrams, i have had dash cluster loose, wiring behind the cluster is too short to keep plugged in and allow access for testing. Also, have found no power or ground on the 2 wires at the sender, Purle or black wires. I am asuming ... |
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| 2002 Chevrolet Impala 3.4L MIL Lamp on VIN: 2G1WF52EX2 First Thank you I love IATN use it daily. Car came in 6 months ago with P0403 customer just bought car privatly they told him they would give him new valve Finally got car in because ran hot 3.4 yes head gaskets out Redid heads ect. then put the new egr on the... Trouble codes: P0403 (EGR Control circuit) |
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| 2005 Chevrolet Astro 4.3L MIL Lamp on VIN: 1GNDM19X25 Customer requested full tune up no diagnosis. MIL on for P0300, P0306. Found low compression on cyl #3 @90 psi, removed head for repairs. After repairs misfire @ present at idle on cyl 6. Scoped injectors @ ecm fuse found waveform to intermittently ramp up, re... Trouble codes: P0306 (testing and results) |
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| 2004 Pontiac Grand Prix GTP 3.8L front passanger VIN: 2G2WR544X4 Hi all, this is my wifes car and it is bugging me. When ever it rains hard or we go through a car wash the passanger floor gets very wet, just like if the HVAC was leaking in the car, however the A/C is not on. I have checked the drain for the moon roof, made ... |
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| 2005 Pontiac Vibe 1.8L MIL Lamp on VIN: 5YSL63855Z Hello all! We've got this Vibe coming back for MIL on, code p0171-system lean. The intake system passed smoke test, I cleaned the air flow sensor and replaced upstream O2 sensor with OE part. Should we look at replacing the air flow sensor or look elsewhere fi... Trouble codes: P0171 |
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Fixes & Summaries for GM
| Fix/Summary | Answers | |
| 1987 Chevrolet Camaro Z28 Iroc-Z 5.0L No Start, Poor Idle Quality, MIL Lamp on, Not idling down VIN: 1G1FP21FXH Thanks for all the replies...this vehicle had 2 problems... thanks to Mark from Penn. for the worn throttle body bushings... and also the EGR valve was not holding pressure. Kudo.s to Jim from Virginia.. replaced EGR Valve..and egr tempature sensor along wi... Trouble codes: 33 (High mass air flow sensor), 36 (Mass air flow burn off). |
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| 1999 Chevrolet K1500 Suburban 5.7L Tcc As always, we are at our best when we put our collective heads together. My trans builder always updates the TCC solenoid with the sonnax kit so I did not suspect that as the issue. I personally could not even get the truck to do what the customer complained a... |
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| 2003 Chevrolet Silverado 1500 LS 5.3L transmission VIN: 2GCEK19T73 tps was fine, found wave soleniod on valve body fixed 1-2 shift, 3-4 shift problem old soliniod ohm tested good , but i guess not |
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| 1996 GMC Jimmy 4.3L Surge VIN: 1GKDT13W3T Thanks everybody for your help. It turns out it was low on transmission fluid. I just got caught up in the "It didn't do this before you worked on it" mode. So I checked everything I did in relation to doing the intake gaskets. Refilled trans and it drives gre... |
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| 2006 GMC Envoy SLT 4.2L Mechanical VIN: 1GKDT13S16 Hey guy fix the the envoy found the intake bolts all lose something so simple can turn into a big pain... thanks for all the help |
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