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Professional Automotive Repair Technical Discussions for June 26, 2018 International Automotive Technicians' Network (iATN) - Members Only |
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Open Help Requests for All Makes and Models
| Help Request | Answers | |
| 2012 Acura TL 3.5L immobilizer flashes VIN: 19UUA8F53C The car cranks and won't start or starts and stalls, the immobilizer light is flashing. No codes in any module. No codes in PCM or immobilizer. Performed immobilizer status test and received a D-3 code, no communication from immobilizer on s-net line to th... |
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| 2008 Audi A6 3.2L Seals VIN: WAUAH74F58 Hello Audi Techs, This car has some oil leaks. We have pressure washed the engine down. We have added dye. It appears to be collecting oil in the valley of the engine. It could have a main seal leak as well, but I'm inclined to fix the upper leak first. My... |
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| 2011 Audi Q5 Premium Plus 3.2L Poor Idle Quality, Misfire, MIL Lamp on VIN: WA1DKAFP9B Car came from another shop that put plugs in it and asked us to perform walnut blast service because they felt it was all carboned up, we did service and it made no difference. Car has misfire codes on all cylinders and fuel trim codes on all cylinders, no... Trouble codes: P0304, P0303, P0306 (Misfire 6 cylinder), P0305 (Misfire 5 cylinder), P219F, P21A1 |
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| 2003 Buick LeSabre Limited 3.8L Poor Idle Quality, MIL Lamp on VIN: 1G4HR54K03 Morning techs, This 03 buick will raise idle on its own. Watched scan tool and watched TPS signal since it did set a code for TPS out of range. The TPS was replaced with no change. What I did notice was that after a few minutes of running, the TPS paramete... |
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| 2012 Chevrolet Silverado 2500 HD LTZ 6.6L Hydroboost VIN: 1GC1KYC88C Hey guys. This Duramax equipped Silverado develops a pulsation / buzz in the pedal after long drives. Mostly at idle and when turning. Not so much a loud buzz but you really feel it in the pedal. We have replaced the pump twice and it goes away for several... |
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| 2015 Chevrolet Silverado 1500 LT 5.3L Abs/Bcm VIN: 1GCVKREC2F Truck came in hard to steer and had ABS/Traction/Power steer assist warning lights on. Scanned with Snap On Zeus and found codes U0121, B3981 and U0140. Followed [...] for wiring and splice issues under driver and/or passenger side sill plate. Found all... |
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| 2007 Ford F-250 Super Duty XLT 6.0L codes VIN: 1FTSW21P37 I checked for DTC- hadn't been cleared. I checked old EGR valve- coked. Checked EGR passages- suprisingly very clear. Test drive- good power no misfire, but then again 6.0 will mask a misfire very nicely. Performed a buzz test- had 8 injectors w/low curren... Trouble codes: P0261, P0264 (p0267-), P0267 (p0270-), P0270 (p0273-), P0273 (p0276-), P0276 |
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| 2007 Ford Expedition XLT 5.4L transmission E-Z one for you FOMOCO boyz.Got this 07 Expedition RSC four wheel drive. Shop put in a rebuilt transmission 6R75 and asked me to program with my IDS. Does this unit need programming? I told them I do programming for several trans shops and never had a requ... |
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| 2007 Ford Escape Limited 3.0L Misfire, MIL Lamp on VIN: 1FMCU94197 Nissan dealer Mechanic working on a Ford. I am working on my family members Escape. p0303 miss fire code. I have swapped coils and plugs still misfire. the coil has been replaced with oem. My question is are ECM common failure on these. It feels like a ign... Trouble codes: P0303 (Cylinder 3 miss fire) |
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| 2008 Ford F-150 Lariat 5.4L Electronic VIN: 1FTPW14V78 customer drop off there truck with A/C not working we did some test and found that the A/C head had a problem so we replace it and still don't work we CK wires from the relay to compressor and that's good we CK from the PCM to compressor and that is also g... |
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| 2012 Ford F-350 Super Duty Lariat 6.2L Misfire VIN: 1FD8X3H66C Customer complaint lack of power runs rough. Test drive truck does seem to lack power on grades 6% 7% Truck I am guessing weighs 11K plus. Does set P0308 misfire but do not really feel it. Customer does state did not do this previously. I think vehicle is ... Trouble codes: P0308 (Cylinder No. 8 misfire) |
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| 1999 GMC Savana 3500 5.7L compressor VIN: 1GDJG31R5X This Van is a cargo van, and I know these guys drive this very hard. Put a New Compressor, Filter Drier, Orfice Tube and condenser in it. It came back about a month later and the high pressure switch is blow out of the back of the compressor. and what I me... |
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| 2006 Land Rover LR3 4.0L MIL Lamp on VIN: SALAE24406 Shame on me for thinking I could work on a Land Rover. I got this fellow's LR3 a month ago with both P0172 and P0175. MAF readings seemed unusually high at idle. And at the time LT trims were around -15 and ST trims were around -5%. I replaced the MAF with... Trouble codes: P0172 (Fuel Trim Rich Bank 1), P0175 (Fuel Trim Rich Bank 2) |
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| 2000 Lexus LX470 4.7L compressor VIN: JT6HT00W0Y Vehicle came in with a flashing A/c button light. No codes in system, compressor not running. Jump compressor, a/c cools down to 38', no problem with a/c. Swapped a/c control relay, no change. We suspected a problem with the rotation sensor in the compress... |
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| 1998 Mazda B4000 SE 4.0L MIL Lamp on VIN: 4F4ZR17X3W We have this truck back with same p0171, p0174 codes. initially came in for stated codes and found upper intake plenum (plastic) leaking moderately, we replaced assembly and observed data stream and saw pids dropping for ltft. sent vehicle down the road, c... Trouble codes: P0171 (Fuel trim lean bank 1), P0174 (Fuel trim lean bank 2) |
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| 1975 Mercedes-Benz 450SL 4.5L Excessive Emissions, Poor Fuel Economy VIN: 1070441202 Hello: I've been on iATN with Brent and Warren's Technet startup and this Mercedes has us stumped. Nice little 450SL (red of course) with the Electronic injection which was dropped soon after for the CIS. Too bad for us. We can do the CIS but this system i... |
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| 2011 Porsche Cayenne Turbo 4.8L Hesitation, Hesitation VIN: WP1AC2A22B After performing valve cleaning, road tested the car. Car had ALOT more power and was running good until driving it for a little while more, then it would start to buck/misfire under partial load. Feels like it got worse as I kept driving the truck. Cannot... Trouble codes: P0068 |
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| 2008 Volkswagen GTI 2.0L Clutch Pedal VIN: WVWEV71K28 I have a GTI that is puzzling me. The car just underwent a overhaul with new connecting rods, pistons, clutch etc. After about 900 miles the customer complained that the clutch pedal would randomly not fully return. I have been able to replicate the issue ... |
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Fixes & Summaries for All Makes and Models
| Fix/Summary | Answers | |
| 2012 Chevrolet Silverado 2500 HD LTZ 6.6L Excessive Emissions VIN: 1GC1KYE87C We unplugged the DuraMileage box and returned to factory settings and the smoke has gone away. thanks for all that replied. |
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| 2014 Dodge Grand Caravan SE 3.6L Poor Idle Quality VIN: 2C4RDGBG4E Thank you to everyone who replied to this request, there was a lot of good information shared and your efforts are truly appreciated. Once again I want to reiterate that my original post mileage was an error, rather than 14,300 miles it was actually 143,000 ... Trouble codes: P0301. |
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| 2007 Ford Expedition Eddie Bauer 5.4L remote start VIN: 1FMFU18597 We actually found a YouTube video that helped us. The system was in valet mode. The valet switch may have been bumped or it could of been put in the mode by hitting the wrong buttons on the remote. The fix was to start the vehicle with the key and then hit ... |
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| 2007 Ford Fusion SE 3.0L Stall, MIL Lamp on VIN: 3FAHP07167 Calling this one fixed and it's all on me. test drove 20 miles and stalled 1/2 mile from shop. No rpm on scan. Had previously replaced the crank sensor. Due to the foil heat shielding I did not inspect the connector. Sure enough the insulation right at the end... Trouble codes: P0601, P2104, P2110, P601D. |
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| 2011 Ford Ranger Sport 4.0L restraint control module VIN: 1FTKR4EE9B We fixed this one! Thanks to all that replied. I had to get a new module from Ford and still couldn't get it to talk. Once I re-booted my IDS and hooked up the new module, it showed up on the network as not configured. I entered the as built data and the n... |
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| 2013 Hyundai Genesis Coupe 2.0T Premium 2.0L Electronic VIN: KMHHT6KDXD I somehow missed the a/c compressor command in PCM data. Anew compressor got her blowing cold. tried new A/c control head still no comm with it. I also see A/c control does translation from m-can line. |
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| 1999 Mercedes-Benz E300 3.0L Surge, Misfire, MIL Lamp on VIN: WDBJF25H6X THANKS TO ALL FOR THE HELP- THE FUEL THERMOSTAT WAS CAUSING THE AIR- ALL OK NOW! WE DO RECOMEND DOING ALL HOSES- THIS IS A PAIN TO LOCATE! GREG AND CREW Trouble codes: P0300 (Random misfires). |
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| 2011 Mercedes-Benz Sprinter 2500 3.0L Hesitation, Misfire VIN: WDYPE7CC2B All of the replies were for possible fuel injector failures. What we found was a very slight air leak in the turbo induction hose. This was causing an inaccurate reading for the incoming air flow which cause the computer to lean out the mixture. We had to r... |
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| 2012 Nissan Versa 1.8 S 1.8L Compressor Clutch VIN: 3N1BC1CP6C Customer will return later to continue diagnosis. it looks like this will need a thermo control amplifier. Pin out at thermo control amp is as follows: Pin 1 (red)-Battery voltage Pin 2 (black)-Ground Pin 3 (grey)-grounded unless evaporator is too cold or... |
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| 2006 Pontiac G6 3.5L Battery draw VIN: 1G2ZF55B66 sent this off to the dealer to have bcm replaced. I didn't see anything else in the circuit causing the draw. thanks for the help everyone. |
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| 2007 Toyota Prius Touring 1.5L MIL Lamp on VIN: JTDKB20U77 Thanks to the members, a couple of mentions about a connector that becomes corroded in the right rear quarter panel. This connector is not the fan connector but a wire loom to wire loom connector. Some suggestions (Paul @ Boulder Hybrids) are to bypass the co... Trouble codes: P0A82. |
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| 1999 Volkswagen Cabrio 2.0L wiring harness VIN: 3VWCB61E9X Most of the replies affirmed that it is possible to fix this leak at the trans wiring harness with a replaceable o-ring, which we did Part # 095 325 381A It seems to have stopped the leak - some of you cautioned that if the oil is leaking along the wires an... |
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| 2011 Volvo XC90 V8 4.4L Electronic VIN: YV4852CT5B This car had a large stereo system. CEM module sent out for testing was found to be good. We later found out that a previous shop had made some modification to the alternator to support the large sound system the customer had installed. We ended up putting ... |
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