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International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for April 13, 2018
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Open Help Requests for All Makes and Models
Help Request Answers
2013 Audi A7 Quattro 3.0L Coolant temp VIN: WAU2GAFC2D
car came in with codes for coolant pump mechanical fault and coolant temp too low. replaced water pump and thermostat with OEM parts, on the test drive the temp would get to 87 degrees celsius and the coolant over temp message will appear, then the temp...
2004 BMW 530i 3.0L shift solenoid VIN: WBANA73514
looking for a direct trouble shooting for this code can't seem to find a chart i replaced solenoids and code still returns when car is put in to gear
2002 Buick LeSabre Custom 3.8L hight beams VIN: 1G4HP54K72
goes on low beam high beams does not work inside works should i look for body mod. where is it
1993 Chevrolet Corvette 40th Anniversary Edition 5.7L Cruise control VIN: 1G1YY23P6P
Hi all in IATN land. Thank you for taking the time today. This cruise will work perfectly for about 18 miles of hyway driving. Then it cuts off. If you try to engage it it makes am attempt but cuts off then nothing. Let ti cool for a couple of hours and it...
1998 Chevrolet K1500 Silverado 5.7L Alternator
In need of help on diagnosis on charging system. Vehicle came in with dead battery, no crank, no start. Checked charging volts after jump start, alternator charging @8v, replaced alternator with ACDelco new OE replacement, still no charging volts at the ba...
2000 Dodge Dakota 3.9L engine VIN: 1B7GL22X7Y
smoke badly please read repair history before commenting about a pcv valve or something easy
2004 Dodge Ram 1500 ST 5.7L Passenger side half shaft VIN: 1D7HU18D74
I haven't seen this truck yet and have only heard the description of the problem from the owner. Truck will be here tomorrow and I'm trying to get information ASAP since time is an issue to make repairs. The owner had a lift kit installed 6 months ago and purc...
2009 Dodge Durango SLT 5.7L Cuts out, Misfire, MIL Lamp on VIN: 1D8HB48T09
Thanks in advance for your time. First time working on this Multi-Displacement System. This truck came in with only one code, PO300 random missfire. I did find out later that the customer had pulled a code and erased it he said it had a misfire on #6. With... Trouble codes: P0300, P1416 (Cylinder 6 reactivation control performance), P1414 (Cylinder 4 reactivation control performance), P1411 (Cylinder 1 reactivation control performance), P0303
1998 Ford Expedition Eddie Bauer 4.6L Excessive Emissions, Poor Idle Quality, Hesitation, Surge, Misfire, MIL Lamp on VIN: 1FMRU18W2W
Vehicle received running poorly with multiple codes. Scanner showed no activity on the two front sensors and would stay in open loop. Sprayed carb cleaner into vacuum line and vehicle performed much better, front oxygen sensors began switching and went int... Trouble codes: P0133, P0153, P1131, P1151, P0174
2003 Ford Expedition Eddie Bauer 5.4L monitors wont run VIN: 1FMFU18L63
customer came for a reinspection, monitors not running{except egr}.test drove on highway and noticed speedometer not going above 30mph.no codes.abs data shows all speed sensors showing correct speed of vehicle. however ecm data showing the same incorrect s...
2005 Ford E-350 Super Duty 6.0L No Start VIN: 1FTSS34P25
drove the van in replaced thermostat and went to start no start. called customer and he had it towed in for this once before and it had started when it cam to the shop. there was a code for the crank shaft sensor but that was due to cranking engine for a w...
2008 Ford F-150 XLT 4.2L MIL Lamp on VIN: 1FTRF12298
HI every one, customer complained that when the vehicle got hot it started to loose power to the extent of almost shutting down. Drove the vehicle and after sometime it started to run a bit rough and did loose power but not to the extent of shutting down o...
2008 Ford Escape Hybrid 2.3L Unknown VIN: 1FMCU49H28
Hi guys, This one has me scratching my head. Customer's complaint is the A/C does not blow cold. She specifically asked if he engine was supposed to shut off when the A/C button is on. I explained that as long as the ECON button is not on then yes the e...
2009 Ford Crown Victoria Police Interceptor 4.6L Stall, Ac compressor VIN: 2FAHP71V49
Vehicle will die at idle very occasionally, maybe once an hour, runs fine otherwise. There is no indication that it will die at idle,but sometimes it will start to shake or miss but will not die.ALSO- the compressor relay will be ungrounded at times, the t... Trouble codes: P2195
1997 GMC C1500 Sierra SL 5.7L Lock Up And 3-4 Shift VIN: 2GTEC19R5V
Can shift manually with the scanner. Does not command 4th gear automatically. This happened a year after transmission was built. No codes
2007 Jeep Wrangler Unlimited Sahara 3.8L cluster, wipers, shifter VIN: 1J4GA59107
I just replaced the timing cover gaskets and oil pan gasket and now the cluster, wipers, shifter interlock are all INOP. And I have a U0155(No comm with cluster). I checked all fuses in engine fuse block(including swapping each maxi fuse one by one), swapped ...
2004 Kia Optima LX 2.4L timing belt VIN: KNAGD12634
Hello group. I have a few questions about the timing belt on this kia. I've never been into one of these so i'm not familiar with this setup. I have all the covers off & have all the pulleys exposed. It looks like everything is original which is not sup...
2008 Lexus IS250 2.5L MIL Lamp on VIN: JTHBK26228
i need some help this this is driving me nuts keeps setting a b1 too lean p0171 and b2 too lean p0174 the customer replaced the maf sensor with an autozone one but when that didnt fix it he brought it to us here is what the scan data tells me @ 691(idle in... Trouble codes: P0171, P0174
1990 Mercedes-Benz 190E 2.6 2.6L MIL Lamp on VIN: WDBDA29D4L
Using the diagnostic connector by RF struct the light blinks 17 times, which I believe is 02 sensor short to power or ground. Labscope testing shows no problem. No short to power or ground as well. Any thoughts? Thank you for your help Trouble codes: 17 (Oxygen sensor)
2006 Mercedes-Benz ML350 4Matic 3.5L Door locks VIN: 4JGBB86E56
Hi. Thanks to you in advance for your help. I have this vehicle here for tailgate's not opening and right rear door lock's inop. Tested the central locking system for operation and found no power signal to tailgate lock actuator from the rear sam module or...
2006 Subaru B9 Tribeca Limited 3.0L Poor Idle Quality, Misfire VIN: 4S4WX83CX6
Hey Guys, haven`t been on in awhile. I`ve got a 2006 B9 Tribecca we purchased at auction. I`m not real familiar with Subarus and the H engines. This one came in with 2 cylinders mis firing. I did the usual maintenance of replacing plugs since we don`t know... Trouble codes: P0302 (2 cylinder mis fire), P0305
2003 Toyota Avalon XL 3.0L Poor Idle Quality, MIL Lamp on VIN: 4T1BF28B63
Vehicle came to us running very rough with misfires on all bank 2 cylinders. We pressure tested the bank 2 converter and confirmed the converter wasn't plugged. We cleaned the maf and installed a upstream air fuel sensor on bank 2 with no change to the fuel tr... Trouble codes: P0302 (cyl 2 misfire), P0304 (cyl 4 misfire), P0306 (cyl 6 misfire), P0174 (testing and results)

Fixes & Summaries for All Makes and Models
Fix/Summary Answers
2010 Audi S4 3.0L No Start VIN: WAUBGAFL0A
The customer towed the vehicle out to a supposed import specialist. I have tried calling him several times but he will not return any calls. Thanks to all who took time to reply. If any further info becomes available I will post it. Trouble codes: P0652 (Reference ckt failure).
1999 Cadillac DeVille Concours 4.6L engine VIN: 1G6KF549XX
the car wasnfixed with a new sending unit?fuel pump also throttle bodywaas leaking at the seal between throttle body and intake
2006 Chevrolet Silverado 1500 LS 4.8L ABS light on VIN: 2GCEC13V96
I told the customer to get the tire size correct before we chased any other rabbit trails. That solution really doesn't seem logical, because the speedo, the trans, and the ABS all indicate a FASTER speed, even though the tires are slightly over-size, which s...
2014 Chevrolet Spark LS 1.2L rear brakes VIN: KL8CB6S94E
I believe it is fixed. Thanks for all the replies. Mario suggested it may need an automated brake bleed procedure. After doing that the wheel cylinder pistons remained extended properly and the brake pedal is much better. I'm still not totally convinced that t...
2008 Dodge Grand Caravan SXT 3.8L engine VIN: 1D8HN54P88
thanks for the help. The fix was to replace the new rad, which was plugged. The new aftermarket rad must have had some thing in because it was plugged. and would not circulate the coolant. I installed a new MOPAR and the car runs normal. Thank again for the a...
2003 Ford E-150 4.2L Coolant temp gauge VIN: 1FTRE14213
Unfortunately the customer needed vehicle back for some work I am waiting on its return and will update post then. Thank you for all that have replied.
2004 Ford E-150 4.6L Master Cylinder VIN: 1FTRE14WX4
Thank you for all the helpful suggestions. We did try the test of putting a straightened paperclip into a hole in the ABS hydraulic unit, and when the brake pedal is pushed, this pin is pushed out. It happens consistently. The customer has been told that he...
2010 Ford Expedition EL XLT 5.4L Poor Idle Quality, Misfire, MIL Lamp on VIN: 1FMJK1G54A
Ran through some more tests. Came down to the oil pressure like everyone has replied. Put 20-50 oil in it cleared up all issues. Customer wanted cheap fix eventually will need high pressure oil pump or in worse case scenario motor. Trouble codes: P0012 (a camshaft position timing over retarded bank 1), P0022 (a camshaft position timing over retarded bank 2), P0130 (O2 sensor circuit bank 2 sensor 1), P0150 (O2 sensor circuit bank 2 sensor 1), P0341 (Camshaft position sensor a bank 1), P0346 (Camshaft position sensor a bank 2).
2005 Mercedes-Benz C230 Kompressor 1.8L Ignition Key VIN: WDBRF40J05
the key came apart internally, got a new key, reprogram and car is starting and running as design.. thank you every one for all of your time..
2012 Nissan Altima 2.5L ac compressor VIN: 1N4AL2AP2C
Good afternoon fellow techs, Prior to opening another tech help request with another vehicle; I forgot to close this out a while ago. What ended up happening is that a mechanic added too much oil to the system when the AC compressor job was done - affecting A...
2001 Subaru Legacy GT Limited 2.5L Parking lot steering VIN: 4S3BE65651
A few common themes popped up in the replies, many people mentioned air-ingestion occurring at the return hose to the pump. Sounds like there is an O-ring at the elbow where the hose connects to the pump that fails. Another common response was AWD binding issu...
1998 Toyota Camry XLE 3.0L No Start, No communication, VIN: 4T1BF28K9W
OK, You wonderful people, after pulling the computer and security module, testing through the circuits, pulling the boards out to look at them, reinstalling everything and then going back through a lot of the same things again, I found that the EFI fuse was ou...
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