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Professional Automotive Repair Technical Discussions for December 19, 2013 International Automotive Technicians' Network (iATN) - Members Only |
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Open Help Requests for GM
| Help Request | Answers | |
| 1996 Buick Skylark Limited 2.4L Unknown VIN: 1G4NJ52T2T Hi, every one i have this 1996 skylark with quad 4 engine, came in with no start problem.spark plugs all were soaked with gas, we had had ignition , so we did compression test ,3 out of 4 cylinder were 25 psi or less. Customer got his own used engine ,before p... |
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| 2009 Cadillac Escalade ESV Platinum 6.2L Hesitation, Cuts out, Stall, MIL Lamp on VIN: 1GYFK26229 Customer was going to have vehicle towed to shop. Said vehicle has cut out and died. Later drove to shop, vehicle ran fine. Checked codes. P2135 came up. Checked for corrosion at ecm and sensor. Found none. checked sensor values. Checked out Ok, but replaced a... Trouble codes: P2135 (tp sensor voltage correlation between 1 2) |
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| 1951 Chevrolet Truck 3100 3.5L Mechanical VIN: 14JPG16820 Doing Some Engine Work To This Truck. Guess Rebuilding Engine Is What It's Amounting Too. Anyways, Looking For Info On The Oiling System. Wouldn't Mind A Good Explanation Of How It Functions But My Main Question Is This.. Where The Oiling Tube For The Rods, Th... |
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| 1999 Chevrolet Blazer 4.3L No Start, Stall VIN: 1GNDT13W8X Vehicle drove in staling once in a while, now don't start at all. |
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| 2000 Chevrolet S10 2.2L transmission VIN: 1GCCS1449Y This is my personal truck. The truck has progressively gotten worse but what happens now is that I depress the clutch pedal and at first start up with the clutch pedal depressed it makes this horrific growling noise that you can hear outside of the truck. If y... |
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| 2006 Chevrolet Cobalt LS 2.2L MIL Lamp on VIN: 1G1AK55F36 All codes relate to throttle body BUT it only happens occasionally in cold weather - two seasons now - two occurences in last three weeks. My air intake was filled with water and oil so I am going after PCV system first. I have pressure coming out of cam cover... Trouble codes: P1516 (Tac), P2101 (Tac), P2119 (Tac), P2176 (Tac) |
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| 2007 Chevrolet Silverado 2500 HD Classic LS 6.6L Starter VIN: 1GCHK24D97 This diesel tk was towed in because of a no crank condition. The scan tool first didn't have any communication. After checking connections and restarting the tool, it communicated. No current codes were available. We were able to test the starter at the fuse b... |
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| 2008 Chevrolet Avalanche LS 5.3L MIL Lamp on VIN: 3GNFK123X8 I got this nightmare of a truck here . I have 13 codes the main codes are listed above but it also had some rich codes the other converter code a brake light switch performance code and misfire codes . This truck is pretty beat and the lifters are ticking. Now... Trouble codes: P0420 (Cat inefficency), P2138 (App 1-2 corrilation), P2119 (Throttle closed performance), P1380 (Misfire detected), P1175 (Fuel trimcylinder balance bank 2), P0690 (Engine control relay) |
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| 2002 Saturn L300 3.0L No Start, Hesitation VIN: 1G8JW54R32 Checked vehicles fuel pressure, when running 45-49 lbs. But when vehicle is turned on there's no priming on the pump. So I went ahead and replaced fuel pump with OEM pump, and replaced the fuel filter. Still same issue, Replaced crank sensor, still same issue,... |
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Fixes & Summaries for GM
| Fix/Summary | Answers | |
| 2001 Chevrolet Silverado 1500 5.3L engine VIN: 2GCEK19T31 hey guys thanks for all the great ideas and info. It ended up being an intake leak around #5 injector o-ring. I found it by srpraying with carb cleaner and watching fuel trims dip to negative numbers. i had sprayed with carb cleaner earlier but was just going ... |
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| 1995 GMC K1500 Sierra SL 5.7L No Start, Misfire VIN: 1GTEK19K6S Removed the distributor and replaced the pick up coil and distributor shaft the magnets on the shaft was cracked. Reinstalled distributor and engine started and ran good with EST wire connected or disconnected. Thanks for everyones response and help |
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| 2008 Saturn Astra XR 1.8L Starting VIN: W08AT27158 Thanks for the replies, we had thoroughly checked the starting circuit, voltages (new battery), voltage drops and could send 12V through the relay wiring to start the car; it just wouldn't start with the key! I ordered a new TCM for it, put it in and the car ... |
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