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Professional Automotive Repair Technical Discussions for November 9, 2016 International Automotive Technicians' Network (iATN) - Members Only |
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Open Help Requests for GM
| Help Request | Answers | |
| 2007 Chevrolet Cobalt LS 2.2L MIL Lamp on VIN: 1G1AK55F17 please someone throw me a bone. i have this dude in here seems like every week for this oxygen sensor. for 2 months ive ben fighting this thing performance on the sensor 2. i replaced it, came back. warrantied another later and another i replaced the cat. used... Trouble codes: P0140, P2A01 |
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| 2007 Chevrolet Express 1500 4.3L MIL Lamp on VIN: 1GCFG15XX7 looks like bank 2 convertor can't store oxygen when you snap throttle. if you hold at 1500 rpm for 30 seconds then snap throttle 3 times the o2 sensors do change more than 200mv. just wonder if i replace convertor will it take care of my o2 sensor codes? Thank... Trouble codes: P0430, P2A01, P2A04 |
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| 2008 Chevrolet Tahoe LTZ 5.3L Stall, MIL Lamp on VIN: 1GNFK13088 Vehicle originally came in with CEL on with p0456 Evap small leak code . Smoke tested and found vapor line nipple on fuel pump assembly rusted away/leaking. Replaced fuel pump assy with a Spectrum type(new)fuel pump right on first start up ran poor and set P... Trouble codes: P069E |
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| 2009 Chevrolet Cobalt SS 2.0L Surge, Misfire VIN: 1G1AP18X79 Smoke tested intake, fuel trims near 0 before and after concern and it might add 2% during concern. Misfire only last a few seconds but will come and go during light throttle cruising or slight tip in acceleration. I am trying to find someone who has access to... Trouble codes: P0300 (Random misfire), P0301 (Misfire cylinder 1), P0302 (Misfire cylinder 2), P0303 (Misfire cylinder 3), P0304 (Misfire cylinder 4) |
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| 2002 GMC Jimmy SLS 4.3L SES lamp VIN: 1GKDT13W72 Came in for wild fluctuation in tach over 2000rpm and cut out of engine. Replaced crank sensor. Now get P0300. Can see #1 & 4 misfire at above idle rpm. Good at idle. No EGR, no oil burning. Fuel fouls #4 plug. Fuel trims adding full %. )2 sensors react to for... |
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| 2004 Pontiac Grand Prix GT2 3.8L blower motor VIN: 2G2WS52244 Vehicle came in 6 weeks ago with blower not working. Resistor had gone out and connector was partially melted. I replaced the resistor module, connector, installed the capacitor, and blower motor. I retested the blower draw just make sure it was good. draw was... |
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Fixes & Summaries for GM
| Fix/Summary | Answers | |
| 2005 Cadillac SRX 3.6L No start VIN: 1GYEE637X5 Short version: PCM. Long version, for starters it took our supplier a week to get one, no reman that we could find, dealer on factory backorder, no due date. The vast majority of cases we read had no communication to PCM, which we had. The Blues Clue was can... |
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| 1998 Chevrolet S10 4.3L no gauges VIN: 1GCCS14X4W RESET THE SECURITY SYSTEM The battery was low so I put it on a charger for a hour during diagnosis. After 30mins with the key in the run position, with the battery charging, the security system reset and power returned to fuse #4 and all gauges came back. |
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| 2007 Chevrolet Suburban 1500 Z71 5.3L Automatic Level Control VIN: 3GNFK16397 Thank you everyone for taking the time to respond. What we ended up doing was removing rear height sensor as suggested and simulated low rear condition. compressor came on and shocks aired up. re-installed height sensor and tech drove home and back with no iss... |
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