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Professional Automotive Repair Technical Discussions for June 8, 2006 International Automotive Technicians' Network (iATN) - Members Only |
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Open Help Requests for GM
| Help Request | Answers | |
| 1999 Buick Regal LS 3.8L Stall VIN: 2GWF521XX1 hi techs-this car stalls about once or twice a month. i checked the fix database and checked all the harness for rubbing but found nonthing. checked ighintion switch but nonthing. replaced the ballast resistor cause seemed like a good idea. that was a month ag... |
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| 1995 Cadillac Eldorado 4.6L blower motor VIN: 1G6EL12Y2S Hello, everyone. I'm back. I have my bosses Eldorado here, and I replaced the compressor for a pulley bearing issue.(the compressor was by-passed with a different belt for appx. 4 months) Throughout the 4 month period, HVAC controls worked fine. Today, I insta... |
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| 1996 Cadillac DeVille 4.6L No Start VIN: 1G6KD52YXT Hi: Have a 96 deville that starts hard in am. you have to crank it over for 20 seconds or so until it starts. No codes,has good spark and fuel pressure is in spec, drops a little on cranking but in spec. Pulled fuel rail to verify and does spray cold as well a... |
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| 1999 Cadillac Catera 3.0L No Start VIN: WO6VR52R9X Hi Everybody,This car only seems to give the customer a problem.Has not failed to start the two times it has been in the shop.Every once and awile this car will crank and not start,It's after it has been brought up to operating tempeture shut off for around fi... Trouble codes: P0455 (evap - gross leak), B1552 (Loss of BCM KAM), B1558 (eeprom error), B1982 (Bat Volt High), B1983 (Bat Volt Low) |
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| 1989 Chevrolet K2500 Cheyenne 5.7L Hesitation, Cuts out VIN: 1GCFK24K5K after I did complete tune up customer states that under light load truck heaisates to point of stalling. I rechecked tune and found nothing wrong. I have rebuilt throttle body assy ,tried a new map sensor replaced the egr solenoid cleaned and checked the compu... |
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| 1997 Chevrolet K1500 Suburban 5.7L MIL Lamp on VIN: 3GNFK16R6V This Chevy has had this problem since It was purchased from a used car lot and has been to several shops, including the dealer. It runs well until a hard pull is needed, as in towing a trailer uphill or climbing a grade. When I started checking codes it had a ... Trouble codes: P0131 (OX Sensor), P0137 (Ox Sensor), P0151 (Ox Sensor), P0157 (Ox Sensor), P0300 (Misfire) |
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| 1997 Chevrolet Malibu 3.1L Mechanical VIN: 1G1ND52M6V hello again chevy techs i just have this car the customer bring to me with blown head gaskets ,i did head job replace all gaskets head,lower intake,upper intake,etc. now the car is not overheating is running fine but has a very noise rocker arms .i check oil p... |
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| 1998 Chevrolet C1500 Cheyenne 5.7L Steering VIN: 1GCEK19R3X Steering binds in tight parking lot turns (intermittently)hot or cold makes no difference. This is my employees personal truck. |
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| 1998 Chevrolet K1500 Cheyenne 5.0L brake pedal feel VIN: 2GCEK19R1W when driving vehicle slow (parking lot speed) apply brakes ABS activates pedal drops to floor you dont wanna stop.. Driving down road at 45 mph or so abs aplies but brakes work better and vehicle stops. Sometimes there is no pedal height feels like bad master ... |
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| 1999 Chevrolet Blazer 4.3L Hesitation VIN: 1GNDT13W0X Truck has bad lean hesitation on tip in cold only Add fuel and runs good Cust replaced many parts, no codes MAF has good response and is clean O2 not working yet could not see a lean problem Warm truck is sluggish but computer makes up for alot of the problem ... |
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| 1999 Chevrolet Silverado 1500 5.3L Hesitation VIN: 1GCEK14T0X Vehicle was brought in with a running problem. We have replaced plugs & fuel filter. Fuel Pressure was low, replaced fuel pump. Fuel Pressure regulator is ok. Changed Mass Air Flow Sensor. Checked Converters-ok, Replaced TPS-No change, Install PCM & reflashed-... Trouble codes: P0137 (p0157-), P0157 |
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| 2001 Chevrolet Cab & Chassis Silverado 3500 8.1L Cuts out VIN: 1GBJC34B81 I am the shop supervisor for a small municipality I have an ongoing problem with a chevrolet 3500. My driver has stated several times that the vehicle will not start after a hot soak or will die at low speed. By the time they are able to reach me on the radio ... |
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| 2004 Chevrolet Trailblazer LS 4.2L Hesitation, Surge VIN: 1GNDT13SX4 Hello GM Techs. Cutomer brought the Trailblazer if with a complaint of a Surge going down hill and now over time it has developed into a shifting problem as well. I test drove car on the freeway and did get a "Lag" or slight hesitation tipping in on accelerat... |
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| 1993 GMC C2500 Sierra SLE 5.7L Poor Idle Quality, Surge VIN: 1GTGC24K8P the customer will start the engine after setting all night. he will back out of the garage about 40-50 feet and then select drive. then when he accelerates slightly to pull away, the vehicle will sputter and hesitate. after a continued slight acceleration it w... |
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| 2000 GMC Savana 3500 5.7L fuel gauge VIN: 1GTHG39R8Y Have seen this problem many times on these gm vans. The fuel gauge seems to operate properly but the needle vibrates rapidly as if there is some type of interferance. Spoke to a tech in my local gmc dealer and they told me that the fuel sender is the problem. ... |
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| 2004 GMC Safari 4.3L driveline VIN: 1GKEL19X04 Client notices a slight vibration and noise upwards of 95 to about 115 km, which we verified. We have replaced the rear u-joint-it was siezed previously. We rechecked the joint and also tried reinstalling driveshaft 180 degrees. tires are in good shape, same s... |
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| 1999 Oldsmobile Alero GLS 3.4L Suspension VIN: 1G3NF12E9X this car came in with a clunking noise from the front right wheel area. We could not find any specific "Wear" marks. We have replaced the wheel bearings, the struts, and upper strut mounts. Then the TSB said there could be a noise from the lower control arm, s... |
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| 1999 Oldsmobile Alero GL 3.4L spring? VIN: 1G3NL52E5X car exdhibits a pop/ clunk/ sproing when turning as changing direction (reverse to forward ) or visa versa. sounds like spring bind and pop. do not seee anything jump, nor any feel in steering wheel. will not happen in shop. only forward to reverse fuigure eig... |
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| 2001 Oldsmobile Intrigue GX 3.5L Misfire, dies VIN: 1G3WH52H51 This car runs very good 99% of the time, butevery so often when cruising on the road it will skip or miss fire a couple of times after driving about five or so miles, then my run fine the rest of the day, and now in the laste few weeks it sometimes just dyes g... |
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| 1997 Pontiac Firebird 3.8L airbag light on VIN: 2G2FS22K2V 97 pontiac has just had an engine replaced by us. When removing of steer knuckle cover, the lable says to not move the steering wheel once knucles are removed, and to look in service manual prior to doing so. Anyways, that was not done, now new engine is in an... |
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| 2000 Pontiac Grand Prix GT 3.8L abs VIN: 1G2WP52K4Y this grand prix had a history code c0236. cleared codes and drove. "trac off" and abs light came on early in test drive. no codes stored! the lights will come on and go off in the shop at idle with the car in drive and sitting still. no codes are being stored ... |
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Fixes & Summaries for GM
| Fix/Summary | Answers | |
| 1997 Buick Park Avenue 3.8L air bag VIN: 1G4CW52K2V I rec to replcae the SIR module. The GM dealer part guy said they could not receive the return for the electronic parts. I frustrated if I could not fix the problem with the replcaing SIR. So I sent the customer to the dealership. I assume they fixed the probl... |
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| 2002 Buick Rendezvous CX 3.4L abs lite on VIN: 3G5DB03E82 Sorry it took so long to post this fix but I wanted to be sure I finally had it.The problem ended up being in the body connector underneath it was not corroded but the female end of the connector was not making a good connection.Why it would not show up on the... |
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| 1995 Chevrolet Blazer 4.3L No Start VIN: 1GNDT13W4S Bad injector,ohmed ok,broke down with current flow,new injector unit fixed vehicle,thanks for all the help guys! |
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| 1997 Chevrolet Express 2500 5.0L oil pressure VIN: 1GCFG25M1V Well I am calling this a fix but it is not quite done. The problem as a few people pointed out was the oil pressure relief valve sticking. The new pump was all gummed up with junk. This one is getting a rebuilt motor, the main bearing are spun. The vehicle wil... |
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| 1998 Chevrolet K1500 Cheyenne 5.7L Steering VIN: 2GCEK19R8W Since this is my personal vehicle I only worked on it when time would allow. Several replies on this problem. Some replies suggested raising the fron wheels off of the ground, starting the engine and watching for steering wheel movement. I tried this and could... |
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| 1999 Chevrolet Blazer 4.3L No Start, Cuts out VIN: 1GNCS13WXX thanks to every one of you,after we tried every resourse available we put mark in the crank pulley with the cylinder#1 in tdc,we turn 180 degrees because # 1 in the rotor is in the oposite side of number 1 is between number 4 and number 2 in the distribuitor c... |
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| 2000 Chevrolet Cavalier 2.2L No Start, Cuts out VIN: 1G1JC5243Y Hello everyone, I thought I had posted the fix. Vehicle had a bad fuel pump. Thanks to everyone for the input. |
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| 2001 Chevrolet Blazer LS 4.3L MIL Lamp on, Code P0410 VIN: 1GNCT18W51 Thanks for all the replies.Replaced blown Air pump fuse that was under battery & battery tray. Then ran air pump thru scanner; Air pump runs but no change in O2 voltage.Replaced ruptured vacuum diahram that allows air to be pumped into exhaust system.All is go... Trouble codes: P0410 (Secondary Air Injection System). |
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| 1995 GMC C1500 Sierra SL 5.7L Poor Idle Quality, Hesitation, Stall VIN: 1GTEC14Z9S Thanks to ALL who responded.It's a little embarrassing,but our fuel pressure guage was off by 4 psi. the real fuel pressure was 5 psi.There was a split in the hose on the pump itself. The hose was like goo. I have never seen anything like it, except carb clean... |
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| 2000 GMC Jimmy Diamond Edition 4.3L 4wd transfer case VIN: 1GKDT13W1Y I talked to a friend from a Chev dealership and he said he has replaced the 4wd module down in the kick panel for all sorts of weird problems. So I tried a used one and it solved my problem. Thanks for everyone's help. |
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| 1995 Oldsmobile Aurora 4.0L Poor Idle Quality, Cuts out, Stall, Misfire, MIL Lamp on VIN: 1G3GR62C7S The fourth replacement computer was the charm. The GM dealer where I got the other three indulged me with one more. Before I installed it I checked the integrity of the feeds and grounds again, and I installed each previous computer and observed that each had ... |
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| 2000 Oldsmobile Intrigue GL 3.5L Hesitation, Cuts out VIN: 1G3WHS2H0Y We replaced the Mass Air Flow sensor and all is well. The car immediately ran strong with no more hesitation. Thanks for all the replies & I appologize for the delay in closing. Thanks Again |
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| 1993 Pontiac Grand Prix SE 3.1L reverse VIN: 1G2WH54TOP Thanks for the 6 replies to this post. Most helpful was Brad [...] who helped me verify that the low/rev. clutch pak was the problem. A drop into low at about 30 mph should have caused some resistance. It didn't. He and others suggested that we drop the pan... |
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