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Prev Professional Automotive Repair Technical Discussions for April 2, 2015
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Open Help Requests for All Makes and Models
Help Request Answers
2001 Audi A6 Quattro 4.2L ABS w/ESP VIN: WAUZL54B51
Hi Audi Techs. and thanks in advance for the help. This Audi has the ABS system with ESP. This system has a separate control unit under the passenger side floor board carpet. I'm Getting two constant fault codes for the High Pressure valves #1 & #2, The codes...
2004 Audi A8 Quattro L 4.2L Starting VIN: WAUML44E74
Vehicle has a 100 ma draw. Trouble codes in almost every module (too many to list). No communication with control head, radio, media player, navigation, sound system, or telematics. Unplugged all radio related modules, comfort module, and removed all fuses (ye...
2009 Audi A4 Quattro 2.0L engine oil leak VIN: WAUSF78K49
Hi group, this Audi has a oil leak coming from bell housing area (rear main) we replaced a faulty crankcase breather asy. about 2 weeks ago thinking this would stop the oil leak, but it did not. we put dye in the engine the customer drove it over the weekend. ...
2002 BMW 318 1900CC No Start
I have help a few in the past. this my first help request, hopefully the last also. BMW E46 318 M43 BMS43, car came in non starting, was at 3 previous workshops, they could not fix it. Fuel injectors fire but no spark from coil pack. No fault memory's from DME...
2006 BMW 530xi 3.0L compressor VIN: WBANF735X6
It's been a long time since I've asked for help, but here goes. We replaced the compressor, drier, and expansion valve, and flushed the system on this car after the compressor melted down and contaminated the system with debris (not too badly). Of course we us...
2001 Cadillac DeVille DHS 4.6L runability VIN: 1G6KE57Y91
This one has me totally stumped. Customer stated that about a month ago they noticed at a stop the car would occasionally miss. Within the last couple of days the miss got to the point where it illuminated the cell and they noticed the fuel mileage was off. Up...
2006 Chevrolet Trailblazer LT 4.2L liftgate latch VIN: 1GNET16S06
I am unable to get the liftgate open due to a rusted and froze up latch. Any ideas on how to get open? Customer admitted to have problems with but continued to use and not bring in for latch replacement. Thanks in advance for any help! Troy
2007 Chevrolet Express 1500 LT 5.3L No Start, Stall VIN: 1GNFH15T37
Van will will run for about 7 minutes when cold. At around 60 celius it will stop running and will not restart until cold. Fuel pressure is 60 psi.Have used injector cleaner bottle with gas in it to make sure ther was no bad gas in tank or problem with fuel pu...
1990 Dodge B250 5.2L No Start VIN: 2B6HB21YXL
This baby has me stumped. It was towed in cranking no start. I confirmed normal fuel delivery(both injectors spraying) and strong spark (blue/jumped a 30). I pulled all the fuel fouled spark plugs, dried/cleaned them and reassembled. Was able to start engine t... Trouble codes: 41 (Alternator field circuit), 51 (too lean), 15 (missing VSS signal), 45 (OD solenoid circuit fault)
2007 Dodge Charger SXT 3.5L Surge VIN: 2B3KA43G47
hello group...this charger came in on a hook...when you get to 30mph it like you hit a wall and it starts surging...i pulled the front 02's to see if it was the cats ...but made no change...i did the toggle on the srv valve and it switching back and forth,,i p... Trouble codes: P1004
1999 Ford F-250 Super Duty Lariat 7.3L Epc VIN: 1FTNW21F7X
Looking for help with this F250, the OD light flashes and it sets a code P1747- Pressure Control Solenoid Short Circuit; Electronic Pressure Control. When the light is flashing the transmission shifts hard. I tested resistance through the EPC via the PCM conne...
2006 Ford Explorer Limited 4.0L rear main seal VIN: 1FMEU65E86
This vehicle came in with a bad transmission. while changing trans out noticed the rear main seal was barely seeping. Put a dealer oil seal in it and started pouring oil. Got another dealer seal same result. Got a after market one and found out the what use to...
2006 Ford E-250 4.6L Steering VIN: 1FTNE24W46
Customer says vehicle fish tails. We felt steering wont return and has to be steered back to center. Set alignment and adjust caster. We loosened ball joint bolts and torqued. No change. Replaced gear box no change. Removed steering coupler and inspected. Ok. ...
2006 Ford Escape XLT 3.0L Fuel VIN: 1FMYU93136
Could some one shed some light for me on this one.I have no power to the fuel pump.If I pin out the back of the ecm pin 12 LB-OG when I energize the fuel pump with the scanner I get less then a .25 volt but when I energize the pump on pin 21 fuel pump monitor ...
2012 Ford F-350 Super Duty King Ranch 6.7L coolant VIN: 1FT8W3BT9C
I see coolant dripping down underneath, especially the left side of the engine/bell housing area. Some on the right but not as much. Of course, I can't see where it is coming from, looking from the top or bottom. Do these have pattern failures with the head ga...
2006 GMC Sierra 2500 HD SLT 6.6L Hesitation, MIL Lamp on VIN: 1GTHK23216
Hey guys see if you can help me with this one ? This is the problem I'm having . 2 codes p003a vane position not learned. And p0234 turbo overboost . This is what I check so far I pulled the plug out of the left side of the turbo the one with the snap ring and... Trouble codes: P003A, P0234 (Engine overboost)
2006 Honda Odyssey Touring 3.5L power steering VIN: 5FNRL38886
The customer came in with the complaint of hard steering. Now this vehicle has had the pump changed under warranty recall. This is weird compared to others i have experienced. it feels like you have two flat front tires. There is no whining or noise, just like...
2008 Hyundai Veracruz SE 3.8L Abs Module VIN: KM8NU73C38
I have this Veracruz came in with no communication to ABS replaced control unit got communication back with code c1206. My scanner says Right Front sensor open. My repair information says Left Rear . Hooked up scanner and all wheel speed sensors stay at equal ...
2007 Lincoln Navigator Ultimate 5.4L air flow
The HVAC system is dual control auto, does not always respond correctly when changing temp, e.g. change temp on LH side and RH side temp comes up also and air flow partially changes from floor to vent. Sometimes air flow out dash vents is poor on LH side with ...
1995 Mercedes-Benz S320 SWB 3.2L blower VIN: WDBGA33E4S
Greetings Mercedes techs, I have a blower motor here that will not operate under normal conditions. When I scan the control unit the blower comes on high speed and seems fine, but when I unhook my scan tool the blower will not operate. All temp sensor outputs...
2010 Mercedes-Benz Sprinter 2500 3.0L All VIN: WD3PE7CC0A
I didn't write the codes down but I had low power. Turbocharger boost pressure problem and egr heater codes. The rear egr tube gaskets had blown out so I felt that may have caused the turbo code. The vehicle would go in limp home mode after driving for a few m...
2003 Mini Cooper 1.6L shifting
2003 mini cooper came in 2 months ago for a non-shifting issue (cvt). We completed a fluid change and an adaptaion relearn. After the relearn the vehicle drove normal; rpms stayed steady while accel and vehicle was able to exceed 30mph. The mini came back this...
2005 Pontiac Montana 3.4L Power Door Locks VIN: 1GMDV23EX5
Vehicle came in with the complaint that the power door locks will lock but will not unlock. And every so often it will not lock either. The locks do not function from either drivers door switch or the passenger door switch. Diagnosis as per Mitchell and OEM Se...
2005 Pontiac Vibe 1.8L Axle VIN: 5Y2SM63885
Car came in with both front axle boots leaking, in attempting to replace both front axles the right front axle / bearing is stuck and wont budge. The retaining bolt and ring have been removed, bearing soaked with pb blaster, heated the bearing even went as far...
2010 Porsche Panamera S 4.8L MIL Lamp on
No drivability problems but code pops back up after about three days of driving. Can't reproduce the symptom in the shop. Trouble codes: P0068 (Mass Air Flow Implausible)
2005 Subaru Forester XT 2.5L Cuts out, Misfire
This vehicle will run fine at all times until under heavy boost from the turbo. If you don't ask for lots of boost it runs great. During heavy boost it seems to fall flat on it's face and pop back through the intake, let the throttle up a little and it will ru... Trouble codes: P1301 (Misfire detectedHigh temp exhaust), P1544 (Exhaust temp high)
2001 Volkswagen Jetta TDI 1.9L fuel guage, speedo VIN: 3VWSP69M91
This is a weird one for me. Customer said randomly while driving, the speedometer stops working and the gas gauge drops while accelerating and comes back proper. Since, the speedometer doesn't work at all and the fuel gauge still drops and comes back but now i...

Fixes & Summaries for All Makes and Models
Fix/Summary Answers
2000 BMW 323Ci 2.5L coolant VIN: WBABR3344Y
Thanks to all who replied. this radiator does not have an internal trans or oil cooler. trans cooler has not failed. Thanks for the response confirming the engine oil filter adaptor did not have access to the cooling system. I had read the posts online about c...
2006 BMW 325i 3.0L MIL Lamp on VIN: WBAVB13516
2008 BMW X3 3.0si 3.0L vacuum pump VIN: WBXPC93458
Grateful for both responses.Cleaned and dried bolt heads,tapped on them with new socket and held my breath while breaking loose.Success.After removing pump,opened up and indeed impeller had severely scored housing and in fact broken it!Appreciate encouragement...
2001 Ford F-150 King Ranch 5.4L speedometer VIN: 1FTRW08L21
All replies HELPED, Thank you all, Timothy gave great information. Unfortunately this truck is not fixed, at this time the computer manufacture is researching causes for signal and data not coming from PCM. Once I have all information and the truck is fixed I ...
2002 Ford F-150 King Ranch 4.6L No Start, Poor Idle Quality, Hesitation, Cuts out, Stall, Misfire, MIL Lamp on VIN: 1FTRX17WX2
Thank you to everybody... that number five coil what's the problem, even though I replaced it I guess the cheap ones don't really work. Trouble codes: P0305, P0171 (Lean bank 1), P0174 (Lean bank 2).
2008 GMC Acadia SLE 3.6L Rack and pinion VIN: 1GKER13748
Thanks for the help. THIS WAS AWD. After trying to turn it just right and having no success, I removed the transfer lines and it slid right out. Next time that will be the first step after lowering the cradle. Good money making job and I look forward to the ne...
2004 Honda Odyssey LX 3.5L main shaft senson VIN: 5FNRL185X4
thank you for all the responces. we sent van to our trans shop for a second oppinion. they were stumped at first as we were as they got same readings as i did. as they tested the tech checked signal at a connection on top of trans which i did not do, i went to...
2003 Land Rover Discovery SE 4.6L MIL Lamp on VIN: SALTW16493
Thanks everyone for the good advice. I did what jason said a wiring harness layover. I sold the two rear o2 sensors and cut the connectors to start the layover harness. I plugged the o2 sensors in and everything was working ok. The vehicle ran all drive cycles... Trouble codes: P0130 (Oxygen sensor bank1 sensor1), P0154 (Oxygen circuit no activity detected bank2 sensor1).
2009 Lincoln MKX 3.5L No Start VIN: 2LMDU88C89
Thank you all for the help! The PATS issue was just my tech attempting to start the vehicle with the remote starter which wasn't programed properly. After eliminating that, I took the crankshaft sensor off and used my inspection camera to verify the tone ring ...
2007 Nissan Maxima SL 3.5L abs, VIN: 1N4BA41E87
I am very sorry about the delay as pointed out by Joshua and Brent was not very professional. I forgot about closing this. As David, Brent, Winston, and Joshua sugested problem was in the rear speed sensor. I scoped both and the right rear had a very messy sig...
2006 Volkswagen Passat 2.0T 2.0L No Start VIN: WVWAK73C86
First off thanks for the responses. a couple things were wrong the fuse SB6 for the coils was blown (should have checked the basics, always bites yah in the back side), but also a bad connection where the cust spliced the new pigtail together. had to tear into...
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