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Professional Automotive Repair Technical Discussions for September 28, 2017 International Automotive Technicians' Network (iATN) - Members Only |
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Open Help Requests for All Makes and Models
| Help Request | Answers | |
| 2005 Audi Allroad Quattro 2.7L starting/ignition VIN: WA1YD64B95 Vehicle intermittently has long crank to start (3-5 seconds). Once it does start the engine idle is low and seems to stumble slightly until you give it throttle and then it runs fine. We measured fuel pressure while starting car and found that the problem occu... |
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| 2002 Chevrolet S10 4.3L Misfire, VIN: 1GCCS19W22 Hey guys we have a good one here. Our old shuttle driver bought this very nice, very clean 2002 s10 pick up with a pre existing problem. The check engine light is on and flashes while driving however runs great. When we first looked at this the misfire counter... Trouble codes: P0300 (Random misfire) |
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| 2007 Dodge Nitro SLT 3.7L battery draw VIN: 1D8GT58K17 Dodge Nitro towed in with battery cables disconnected. Customer reports burning odor and hot battery cables after attempt to replace battery allegedly because engine would not start. Our attempt to connect cables to battery resulted in a heavy spark and hot ca... |
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| 2011 Kia Sedona LX 3.5L timing chain system VIN: KNDMG4C78B On cold start I have what I'm sure is chain rattle until oil pressure builds up. ( 2 sec ). TSB says there is an updated tensioner but dealer part guy is not certain which part I need. To me it makes sense to replace all three tensioners and guides and possibl... |
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| 2006 Mercedes-Benz CLS500 5.0L Oil pump VIN: WDDDJ75X66 I appreciate your help iATNers, especially Mercedes techs on this one. This car has a noise that sounds very similar to a power steering whine/cavitating pump. After removing the belt, the noise remained the same. We put the belt back on and as the car warms, ... |
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| 2006 Mercedes-Benz SLK280 3.0L Compressor VIN: WDBWK54F76 Hi all and thanks for trying to help me with this. I have an immaculate 2006 SLK280 which has been cared for at the dealership since new. I have changed the oil in it one time over the years but that is it. This is a long time customer who has 3 Mercedes cars ... |
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| 2008 Mercedes-Benz S63 AMG 6.3L head bolts VIN: WDDNG77X38 We are going to be replacing all 4 camshafts and adjusters on this car for wear/noise. We are thinking of offering to replace all of the head bolts while the cams are out. The head bolts are a know issue on engines up to a certain serial number and this engine... |
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| 2013 Ram 3500 SLT 6.7L Excessive Emissions, Poor Idle Quality, Surge VIN: 3C63RRHLXD OK need some help form you cummins/dodge techs please!!! This customer is a used car dealer and this is a auction truck but very clean and no signs of water damage. What it's doing is at a cold start has a rolling/surging idle for 30-60 seconds sometimes long... Trouble codes: P0868 (Line pressure low-stored) |
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| 1998 Saab 900 SE Turbo 2.0L Alternator VIN: YS3DF78N8W Hi, So the car was brought into the shop for the alternator making some sort of bearing/whistling noise while the car was running. After inspection found out the alternator had quit and stopped charging (measured 11.7v while running). Ordered and alternator a... |
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| 1995 Toyota Camry LE 2.2L ignition system VIN: JT2SK12E3S i check power and ground to the ecm all ok |
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| 2004 Toyota Camry XLE 2.4L MIL Lamp on VIN: 4T1BE32KX4 CAR CAME IN FOR HEAD GASKET REPLACEMENT DUE TO OVERHEATING PROBLEM. AFTER FIXING THE ORIGINAL PROBLEM THE ENGINE IS RUNNING GOOD BUT THE CHECK ENGINE LIGHT WAS ON AND HAS A CODE U2121 , THROTTLE PEDAL POSITION SENSOR/ SWITCH 'D' CIRCUIT RANGE/ PERFORMANCE.I CL... Trouble codes: U2121 (Throttle pedal position sensor/ switch d circuit range/performance) |
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| 2001 Volkswagen Beetle GLS 2.0L No start VIN: 3VWCB21C11 I should have my head examined for taking on these jobs. 2001 VW Beetle with 2.0 SOHC. At some point in this cars life someone bypassed something in the starter system to enable to car to start. What they had was a push button wired in-turn key to on position ... |
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Fixes & Summaries for All Makes and Models
| Fix/Summary | Answers | |
| 2008 BMW 535xi 3.0L Hesitation, Surge VIN: WBANV93568 The problem end up was the Transmission, install reman transmission and that took care of the problem , thanks for all the help |
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| 2012 BMW X3 xDrive28i 3.0L MIL Lamp on VIN: 5UXWX5C52C CODE P2096 ( POST CATALYTIC CONVERTER TOO LEAN - BANK ONE ). OBD MONITOR INDICATE OXYGEN SENSOR, O2 HEATER,EVAP, AND CATALYTIC CONVERTER NOT READY . REPLACE REAR OXYGEN SENSOR ON BANK ONE . TEST DRIVE VEHICLE FOR 16 MILES ON FREEWAY AND OXYGEN SENSOR HEATER I... Trouble codes: P2096 (Lean bank one), P0335 (Crank sensor), P0727 (Engine speed circuit no signal). |
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| 2006 Cadillac DTS 4.6L Shiftlock-ignition lock VIN: 1G6KD57Y76 Got this one fixed and I'm embarrased to say what I found. A missing fuse. The BCM Logic fuse had been removed from the rear fuse panel under the back seat. The mistake I made was when I checked the wires at the BCM for power and ground I did it with the BCM p... |
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| 2006 Chevrolet C4500 Kodiak C4U042 6.6L Hesitation VIN: 1GBE4E3236 I really want to thank everyone, This was one of my first 'hands on" duramax jobs. I bought the vacuum gauge- had 10 psi-good I think. I had over 120 ml return at each bank when I ramped up to 17k psi in 30 seconds.Bought a cheap return flow setup off amazon a... Trouble codes: P0087, P0676, U0101, U0106. |
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| 2011 Chevrolet Silverado 1500 LT 5.3L Stall VIN: 1GCRKSE35B Thanks for all of the great responses. I haven't seen many problems with that age GM ecm's, just reassuring. I checked the power and grounds and I have replaced the ecm and will let the customer drive, seems like it would take a week or 2 before it would act u... Trouble codes: P0601. |
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| 2007 Dodge Ram 3500 ST 6.7L MIL Lamp on, Low Power VIN: 3D6WH48A57 Checked the wiring from the turbo speed sensor to the engine control module. My wiring diagram shows the wires run straight from the sensor to the engine control module with nothing else tied to them. What I finally did was put a load test on the wires and fou... Trouble codes: P2580 (Turbocharger speed sensor circuit low), P0472 (Exhaust pressure sensor 1 low), P0106 (Manifold absolute pressure sensor performance), P2579 (Turbocharger speed sensor circuit performance), P0471 (Exhaust pressure sensor 1 performance), P0049 (TurbochargerTurbine Overspeed). |
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| 2004 Ford F-150 FX4 5.4L MIL Lamp on VIN: 1FTPX14504 Well the customer decided to whole sale the vehicle. I disconnected the exhaust and it made not change to the fuel trims and it still felt low on power. This engine does not have EGR or DPFE sensor so that wasn't the issue. I do not think it was a fuel pr... Trouble codes: P0171 (Lean bank 1), P0174 (lean bank 2). |
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| 2007 Hyundai Santa Fe GLS 2.7L starting VIN: 5NMSG13D47 We have replaced the underhood fuse box, and everything seems to be fine at this time. |
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| 2005 Jeep Grand Cherokee Laredo 4.7L Hesitation VIN: 1J4HR48N45 PCM was the issue. Internal issue leaning out system. Trouble codes: P0068 (Map circuit). |
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| 2009 Kia Sedona LX 3.8L Poor Idle Quality, Misfire VIN: KNDMB23309 Thanks all who replied. I spoke with an training instructor and was told to rev' the engine past 3000rpm and hold it a few times. With new sprockets may need to bleed the air out. After performing this. Problem went away and has not been an issue since. This o... Trouble codes: P0011, P0012, P030X, P0026, P0016 (crank cam correlation fault). |
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| 2008 Mazda 5 Grand Touring 2.3L ient flow detected VIN: JM1CR29L68 Thanks to all who reply my post. I replaced the TCM from dealer and all is well now. The tranny is shifting very smooth on all gears. No more harsh and jerking shifting. Also other service codes did not coming back on. Thanks to you all again! |
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| 2003 Nissan Sentra GXE 1.8L No Start VIN: 3N1CB51D03 Based on the comments, I checked the EECU for burnt smell... No issue. Wave form and comments and Identifix info drove me to replace the timing set. Once I got the engine apart I discovered there was a large amount of crud built up so i pulled the engine a... |
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| 2007 Pontiac G5 2.2L Poor Idle Quality, High idle VIN: 1G2AL15FX7 sorry for delay and I took everyones advice. tried to connect battery leads to do a memory reset and did not work , so I had our mobile computer tech come by and reprogram computer and all adaptives tac, vin etc... still did not fix problem checked clutch on a... |
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| 2015 Ram 1500 SXT 5.7L wont fill tank VIN: 1C6RR6FT1F not fixed yet. have to put new fuel tank fuel pump and fuel injectors sugar in tank |
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| 2011 Saab 9-5 Aero 2.8L timing chains VIN: YS3GR4BJ0B I did not remove the engine.Not that bad of a job-a lot of stuff to remove but the actual chain setup is easy and not that tight for me.I watched several you-tube videos on this job-the best one was from clews showed chain set up very well (google 2011 9.5 tim... |
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