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International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for October 26, 2017
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Open Help Requests for All Makes and Models
Help Request Answers
2006 Audi A6 3.2L Stall, Hard Start VIN: WAUDH74F56
This direct injected Audi has a customer complaint of hard start and die on first try then hard start and run rough for a few seconds on second try. The problem only occurs when first started cold. The problem started occurring as the temperatures started to d...
2012 Audi Q7 Premium Plus 3.0L No crank condition VIN: WA1LGAFE0C
Vehicle towed in no crank. Steering wheel locked, stuck in Park, cluster not powered on, nothing. Jumped terminal 5 and was able to retrieve 50211 no communication with instrument cluster, 01826 steering angle sensor malfunction and tpms module communication e...
1987 Buick Regal GNX 3.8L Excessive Emissions VIN: 1G4GJ1170H
Was towed in as no start. Found badly flooded,another shop had changed maf & o2 sensors,dried plugs and changed oil,started,runs exc. rich,black smoke and soot.Found 3 inj. leaking down and balance poor,replace injectors with delcos,starts and idles better but...
2000 Chevrolet K2500 7.4L Cuts out VIN: 1GCGK23J4Y
Welcome techs. Thanks for any help. I first got this thing and it would not rev up enough to shift out of 1st. Acts like a plugged convertor. Checked back pressure (Convertors have been removed) and it passed. found corroded wires on the harness by the coil. f...
2007 Chevrolet Silverado 1500 Classic WT 4.3L No Start, Poor Idle Quality, Hesitation, Cuts out, Stall, MIL Lamp on VIN: 1GCEC14X97
Im at a loss on this one. 4.3L Vortec will start up fine when cold. And runs fine until it gets warm. It will start to stumble when you bring it off idle, and the longer it idles, the worse it idles. Eventually it will idle so poor it will die, It was brought ... Trouble codes: P0335 (CKP Sensor A Circuit Problem), P0341 (CMP Sensor Circuit Out Of Range)
2002 Ford Excursion Limited 7.3L cruise control VIN: 1FMNU42F42
First verified it does not work. watching scan data can see nothing changes with any switch button pushed. checked power and grounds. ok. traced up to switch and found out 2 wires were swapped on the connector. swaped two wires and retested. now looking at sca...
2005 Ford F-250 Super Duty Lariat 5.4L Hesitation, Cuts out VIN: 1FTSW21595
Hi guys, I hope someone can give me some insight on this one. Before cleaning then replacing the MAF I could not duplicate the lean on bank 1&2 codes, now I can replicate them easily. This thing has a severe hesitation, won't get any power or accelerate until ... Trouble codes: P0174 (Lean bank 2), P0171
2006 Ford Explorer Eddie Bauer 4.0L Poor Idle Quality, MIL Lamp on, long term fuel trims VIN: 1FMEU74E86
This vehicle came from several other shops. Start vehicle and after 2-3 minutes of running, idle starts to get rough and fuel trims climb to 28 on both banks. Runs great off idle. With both banks compression being good and equal, i have hard time believing tim... Trouble codes: P0172, P0174, P0300
2009 Ford Crown Victoria Police Interceptor 4.6L Stall, MIL Lamp on VIN: 2FAHP71V59
we have a fleet of crown victoria police cars,and have been getting about 10 cars within last year and a half with same codes and shutting of at random times, some also had a/c relay ciruit fault in ther too, but not this one. have been replacing pcm's , and i... Trouble codes: P0135, P0141, P0155, P0161, P0403, P0443
2004 GMC Savana 3500 6.0L Poor Idle Quality, Cuts out, Misfire VIN: 1GDHG31U34
Got this box truck with a complaint of intermittent hesitation and or cut out. Vehicle has code P0300, but "Check Engine" light isn't on. Misfire data shows multiple misfires on right bank, with cylinder 6 being the worst. I swapped the coil and wire with anot... Trouble codes: P0300 (testing and results)
2015 GMC Yukon XL Denali 6.2L Ride Control VIN: 1GKS2JKJ0F
Vehicle was in for a Tire Rotation and Oil Change at one of our other locations. The services were performed and the vehicle was delivered to the customer. The customer came back almost immediately complaining of the vehicle riding "like a log wagon". He then ...
2011 Land Rover Range Rover Sport HSE 5.0L Door Locks VIN: SALSK2D48B
Hey Guys, I need a little information. 2011 Range Rover that I replaced both front door latches because they wouldn't lock the doors. Now the customers says that when he parks the car,all doors are locked, he has to pull the drivers inside door handle 2 times ...
2006 Lexus IS250 2.5L No Start VIN: JTHBK26236
Vehicle came in with no start. Vehicle was just painted at a body shop. First thing I checked were grounds looking around where the vehicle was painted and all grounds were ok. Checked codes and found code B2799 Tried to communicate with smart key module and w... Trouble codes: B2799 (Engine immobilzer System)
2009 Nissan Murano LE 3.5L Headlamps VIN: JN8AZ18W69
This vehicle at idle will intermittantly start to blink the headlamps and any other light that happens to be on...voltage will drop from 13.7 to into the 12's and back up...raise idle manually and its just fine cleaned throttle body and relearned iac max flow ...
2010 Porsche Cayenne GTS 4.8L engine VIN: WP1AD2AP5A
Car came in customer complained about oil pressure monitoring failure message coming up when warm driving . When coming to a stop low oil pressure warning comes on, then when you bring the idle up the message goes back to oil pressure monitoring failure, somet...
2007 Toyota Tundra SR5 5.7L Hesitation, Cuts out, MIL Lamp on VIN: 5TBRV54117
Need tap the mines of Toyota techs. First of all the dealer says the warranty ran out on this code P2440 at 150,000 miles. The part man says their is two air pumps do I need both air pumps or just the one on bank 1. They also say I need air switching valve and... Trouble codes: P2440 (ENGINE---Secondary air injection AIR system switching valve stuck open bank 1), C1201 (ABS/VSC/TRAC---engine control system malfunction), B1661 (AIR BAG---Roll over cut off indicator)

Fixes & Summaries for All Makes and Models
Fix/Summary Answers
2011 BMW 328i xDrive 3.0L Engine VIN: WBAPK5C55B
Unfortunately, this is still not fixed. We inspected valves with bore scope and found them squeaky clean! DISA valve came out for this and it's fine too. We dropped the oil pan to inspect the oil baffle, pickup, lower chain, etc. All looks to be fine. No ...
2000 Chrysler Sebring JXi 2.5L cranking VIN: 3C3EL55H2Y
Thank you guys for the help it was the key I used a different key that he had made and has no more problem thank you again
1999 Ford F-350 Super Duty Lariat 7.3L No Start VIN: 1FTWX33F6X
After a bit of a struggle,we found the inj o rings to be the cause.The cust had them replaced recently so it was the last place I looked.With the eng hot it had an extened crank bordering on no start.With the valve covers off,we could see oil seeping past the ...
2009 Honda Accord EX 2.4L Stall VIN: 1HGCP25759
hi guys cleaned the carbon off back of valves, problem solved . thx Al
2006 Porsche Cayenne S 4.5L Transfer Case VIN: WP1AB29P56
Found on line forum for the exact situation. Talking about low battery voltage affecting the 4x4. Sure enough, we checked and battery was indeed low. Replace with new and drove around, no light. Who would have thought
2012 Scion xB 2.4L MIL Lamp on VIN: JTLZE4FE6C
thanks for all the help guys checked all the wiring from tps to ecm found open in one wire repaired wiring to ecm road tested all good thanks guys !!! Trouble codes: P0121.
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