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International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for October 3, 2017
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(Also Available: All, Asian, Chrysler, European, Ford, GM.)
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Open Help Requests for All Makes and Models
Help Request Answers
2002 Audi A4 1.8L Interior VIN: WAULC68E72
Just posting to see if anyone knows where the comfort system bus terninus is...this vehicle drops comfort module, turn signals and wipers among other things...I've determined open circuit in one of the can bus wires between the comfort module J393 and LF door ...
2004 Audi A4 Cabriolet 1.8L MIL Lamp on VIN: WAUAC48H74
Check engine light is on and found code p0411, alldata does not have any info , its leading towards turbo waste valve, any help will be greatly appreciated
2007 Audi Q7 Premium 4.2L All VIN: WA1EV74L07
Owner states he got home,parked, next morning car was dead, no lights on dash, no windows, no accessories, radio, etc. Installed new battery, no change. I've checked fuses under seat and relay box in engine compartment, fuse boxes have power. Bypassed relay ne...
2011 Audi A4 Quattro 2.0L Hesitation, Cuts out, Stall, MIL Lamp on VIN: WAUFFAFLXB
Vehicle came in with check engine light on, and message on dash "do not exceed 4000 rpm" when trying to drive. Also, EPC light would come on and die out. Replaced oil pressure switch with no change. Put a mechanical gauge from port on oil filter housing and go... Trouble codes: P164B, P0340 (Camshaft Position Sensor A Circuit Bank 1)
2010 Cadillac Escalade EXT 6.2L Misfire, MIL Lamp on VIN: 3GYVKNEF6A
This cadillac has a constant misfire on #8 at idle, clears up off idle. scoped ignition primary and injector pulse, both present and constant. changed coil and wire and plug and injector to a non misfiring cylinder, misfire did not follow. checked compression ... Trouble codes: P0308
2004 Chevrolet Trailblazer LS 4.2L Resivior VIN: 1GNES16S24
Customer brought truck in with P/S pump winding and fluid coming out of the p/s reservoir, flush system no change, Thanks in advance going to recommend a pump any thoughts
2005 Chevrolet Suburban 1500 LT 5.3L Poor Idle Quality, Hesitation, Surge VIN: 1GNEC16Z75
Good afternoon fellow technicians, I've been sort of unclear on why a customer's vehicle has a slight hiccup/misfire/hesitation when it is on deceleration and it's happening more and more as of late (we thought wires could be the culprit and so we replaced th...
2007 Chevrolet Avalanche LTZ 5.3L service trac, stibilatrac VIN: 3GNEC12067
ABS and traction lights and service traction control and stabiltrak on message board. Scanned vehicle and found DTC code C0110, C0131, C0161, B1019. replaced EBCM and BPMV and programmed the module. C0110, C0131 were gone. Still had C0161, found brake position...
2007 Chevrolet Silverado 1500 LTZ 6.0L Rcdlr VIN: 2GCEK13Y07
Hi all, this vehicle came in as water damage to interior electronics. We have replaced with new oem parts: ipc,bcm,4x4 module, park assist and rcdlr (keyless). The following were good used modules: driver seat module, hvac,roll over module, driver door module...
2001 Dodge Ram 1500 Van 5.2L Poor Idle Quality, Cuts out, Stall, MIL Lamp on VIN: 3B7HC13Y71
hi guys I have a very well maintained truck with the code P1391 Intermittent loss of cam or crank signal. At first I checked the cam/crank correlation pid on the scanner and it said ok. At this point I graphed both sensors and had nice rising ramps with sharp ... Trouble codes: P1391 (intermittent loss of cam or crank signal)
2012 Dodge Charger SXT 3.6L Speed Limiter VIN: 2C3CDXHG3C
Vehicle was brought to me to find out if the speed governor/limiter can be brought to a lower speed. Customer is giving this vehicle to a 16yr old. Has anyone had any experience and changing the default values? I have both chrysler Witech and Autel.
2007 Ford F-150 XLT 5.4L No Start, Cuts out, Stall, MIL Lamp on VIN: 1FTPX04597
Truck was here for unrelated work. When customer came to pick it up, truck would not start. Someone else here threw a FRP sensor at it and it started, but then died again after diving a few miles. By the time it got back to the shop, it started and ran for a f... Trouble codes: P0183 (Fuel temp sensor high input), P0191 (Fuel rail pressure sensor performance), P0193 (Fuel rail pressure sensor high input), P0642 (Sensor reference A circuit low), P2196 (O2 not switching correctly - rich), P2198 (O2 signal stuck rich 2/1)
2013 Ford E-250 4.6L Cooling system VIN: 1FTNE2EW0D
This van has an extremely contaminated cooling system. It looks like the consistency of beige yogurt! The engine oil showed no oil on dipstick, while the transmission looked fine. I am assuming a problem with the oil cooler on the lower driver side of the engi...
2003 GMC Sierra 2500 HD SLE 6.6L glow plug VIN: 1GTHK23153
truck came in with p0380 code and one glow plug out. we sold a new set of glow plugs and found that cylinder 8 was not coming out and had to be extracted by drilling down the center and reaming the treads. when the customer came to pick up the truck I showed h...
2003 GMC C5500 Topkick C5C042 6.6L Alternator VIN: 1GDE5E1173
Alt. charges randomly. Set code PO621 (Gen. L term.) Tested while charging. Tec 2 shows V @ term. L; Have 11.5V @ brown wire,35% D/C on gray wire, and B+ on red. Caught it while not working:1.33V brown;67%D/C gray;(B+ red) Shows no V on scanner. Disconnect plu...
2003 Honda Pilot EX 3.5L Fuse #6 of driver fuse box VIN: 2HKYF18783
Vehicle starts and runs smooth with no abnormal conditions. When range is selected to reverse, there is no problem. However there is a delayed engagement into drive. The fuse (#6 in driver fuse box, F1-ECM/Cruise control) pops once the vehicle starts to move f...
2012 Infiniti M37 X 3.7L No Start VIN: JN1BY1AR2C
This vehicle cam form an Infinity dealer where they told the customer the vehicle needed a new engine due to sludge. The engine would crank but not start. The vehicle had no fault codes (checked with sanp-on verus and launch. We did a compression test = came o...
2006 Land Rover LR3 HSE 4.4L Starting VIN: SALAG25426
I post this help request because I cannot duplicate owner's complaint of intermittent no start condition,I.E.doesn't turn over.I have had the truck for a week and it has never failed to start despite many tries.It has a new battery and starter relay.Battery ca...
2006 Land Rover Range Rover HSE 4.4L Poor Idle Quality, Hesitation, Misfire, MIL Lamp on VIN: SALME15466
When you crank cold misfires on multiple cylinders, after it warms up will run smooth, but when you load motor will start to pop in intake then will misfire on cylinder 8. If you let it idle for a while will stop missing and run smooth. I changed plug, coil, a... Trouble codes: P0301, P0302, P0304, P0305, P0308, P0316
2004 Subaru Forester XS 2.5L Transfer clutch solenoid VIN: JF1SG65694
Hey all! I am trying to figure out what transmission is in this Forester. Its stuck in 4wd and need to get involved here. The problem is, I just replaced a solenoid on a 05 Outback using the Rostra 52-0527 and want to get another coming if that is the problem ...
1985 Toyota Celica GTS 2.4L No Start VIN: JT5RA65K6F
Car was towed in initially for a no start condition. no spark. found center terminal of cap severely corroded, (though this is a garage kept, all original showroom car.) replaced cap and coil. all well for over a week. Car returned with a no start. Very weak s...
2009 Volkswagen Jetta SE 2.5L Cuts out VIN: 3VWRM71K99
vehicle was at a local dealership and had all 6 pins and wires from the throttle body to the ECM replaced with an overlay for a reason I'm guessing related to this. When the vehicle arrived with me, the throttle body would not set basic settings. I replaced th... Trouble codes: P0121 (Throttle position sensor G69), P0221 (Throttle possition sensor G188)

Fixes & Summaries for All Makes and Models
Fix/Summary Answers
2007 Dodge Nitro SLT 3.7L battery draw VIN: 1D8GT58K17
George and Jeff were correct-internal short in alternator. Ken was also helpful when he recommended using a head light bulb in place of our electrician's ammeter. Way more visual. Thank you gentlemen!
2000 Ford Ranger XL 3.0L Excessive Emissions, Hesitation, Cuts out, Stall, MIL Lamp on VIN: 1FTZR15V4Y
It's FIXED! And now I have an even deeper hatred of spiders. Thank you to all for your suggestions of sticking with diagnosing the MAF codes. It ended up being a cobweb/cocoon down inside the MAF housing, out of sight. A little shop air blown in for the hell ... Trouble codes: P0102, P1100.
2011 GMC Terrain SLE 3.0L No Start VIN: 2CTFLTE50B
I wish I had better information to share as to what fixed the vehicle. We pulled all the connectors off the PCM and Trans. No obvious corrosion or damaged pins or anything. Check ground sytem-that was OK. We hooked everything back up for the 5th time and then ...
2007 Honda Odyssey EX 3.5L Charging VIN: 5FNRL387X7
i tried to sell the customer a honda alternator wit no labor, customer didn't go for it..thanks guys
1991 Mazda RX-7 Turbo 1.3L Excessive Emissions, Stall VIN: JM1FC3523M
Sorry but this is a bust I had a lot of suggestions but none that panned out. The fuel pressure check out good by the book- I checked the vacuum and it was good- I checked timing it was good also.Customer took car to rotary shop when they find out what the tro...
2009 Mercedes-Benz ML320 Bluetec 4Matic 3.0L oil leak front of motor VIN: 4JGBB25E09
thanks to all that responded. i got this one fixed. the pcv diaphragm was hard and broken. replaced that stopped the oil leak. then reset adaptions for air filters and HFM drift compensation values to get rid of the code.
2010 Subaru Forester XT Limited 2.5L rear main seal VIN: JF2SH6FC2A
2009 Volkswagen Tiguan SE 2.0L Balance shafts VIN: WVGBV75N49
Car lot that just sold this thing is buying it back so it's outta here on the hook...thanks for the suggestions. I shudder to think what's going to happen to my '17 Tiguan a few years down the road...
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