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Prev Professional Automotive Repair Technical Discussions for July 9, 2018
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Open Help Requests for All Makes and Models
Help Request Answers
2003 Chrysler Town & Country LXi 3.8L No Start VIN: 2C4GP54L13
This one came in as a no crank/no start from another shop. checked the vehicle out and had no check engine light, and no 5 volt or 8 volt ref from the computer. After we checked all the sensors we determined that the computer was at fault. We sent the comp...
2007 Dodge Ram 3500 Laramie 6.7L Starter VIN: 3D6WH36A57
Truck towed in--would not crank. Per customer,cleaned batt terminals--batteries load test all ok. The first thing I noticed is that the gear shift indicator for gear positions does not light. Scanned and got [...][present] and U1401 stored--these for ...
1994 Ford Ranger STX 4.0L 1-2 Shift VIN: 1FTCR14X8R
1st and reverse are fine, after revving up truck will slide into 2nd or sometimes bump when letting off for a few seconds. I have searched Identifix and for any TSB's but find nothing that really matches the symptoms. Once it gets into second it is fine af...
2000 Ford E-150 Econoline XL 5.4L Air Bag VIN: 1FMRE11L9Y
Greetings everyone. I am hoping to get some insight here. Customer (small dealer)brought me this van and claimed it had not been in a collision. It had some left outer bumper damage in the front but shouldn't have been enough to cause an air bag problem. I...
2013 Ford Fusion SE 1.6L Water Pump VIN: 3FA6P0HR6D
We need to replace the water pump on this vehicle. It looks like the timing belt needs to be removed to do what should be a simple job. Anyone ever have done this and do you have any tips or precautions on doing this job? Any advice would be appreciated. T...
1998 Honda Accord EX 2.3L No Start VIN: 1HGCG5652W
This is my daughters car, she lives in another city 3 hours away. Four months ago the car died on her while she was driving, just shut off like the key was turned off and would crank but not start. I had it towed to an affiliated shop in her town and they ...
2002 Jaguar XJ8 4.0L seat belt warning light VIN: SAJDA12C42
Car came in with the seat belt warning coming on and off randomly. Customer thought it was when going over bumps. Diagnosed by another tech to be the buckle. Replaced drivers seat belt buckle, but problem is still happening. Noticed that light will come ...
2006 Land Rover Range Rover Supercharged 4.2L Door locks, lights, windows VIN: SALMF13406
This car came in months ago. The original problem was that the rear door, and tail gate locks where inop. Found that activating tail gate lock threw scan tool tool turned on front washer pump. After some going around diagnosed that the BCM had failed. So r...
1992 Lexus SC400 4.0L Compressor VIN: JT8UZ30C1N
Group a few weeks back vehicle came in for a/c inop and making noise. Checked and found compressor clutch bad. Replace compressor with new Denso and replaced receiver drier. Evacuated and was cooling to 35 degrees. Vehicle is now back with no cooling and f...
2002 Mercedes-Benz CLK320 3.2L Windows VIN: WDB2084652
When you press the front window switch nothing happens for either side. When you press the switch for the rear windows, both the front and rear windows will work together. Faults in EIS switch are saying Faults in can communication with TSG4 and TSG3 wh...
2003 Mercedes-Benz SL500 5.0L Top inop VIN: WDBSK75F33
Hi guys; We have a 2003 SL500 in the shop with a top that will not go up. The pump runs. The trunk lid went up about six inch's then stopped. . It would not go back down. The customer stated that the right front Top area has fluid leaking. Also The roll ba...
2013 Mercedes-Benz C250 1.8L No Start VIN: WDDGJ4HB5D
Hi everybody. I have this w204 that won't start. Have no communication with ME, EGS and shifter module. The 87 relay at the front sam/fusebox, that powers fuses 22, 23, 24, 26, 27, 32 starts clicking and powers the engine cooling fan at full speed, with ig...
2013 Porsche Cayenne 3.6L Surge, Cuts out, Misfire VIN: WP1AA2A22D
HELLO TO ALL PORSCHE FOLKS, This one has a bucking on accel, under hard load it's fine also at idle. No codes in any module, no missfire watching data. We did try plugs and coils, all no go! Tried trans data while driving all good. We are stumped which dir...

Fixes & Summaries for All Makes and Models
Fix/Summary Answers
2009 Audi A8 Quattro L 4.2L no crank VIN: WAUMV94E09
I am the owner of the shop and was leaving on vacation, so I made the post. I suspected when we got the code to set it was disabling the starter signal. We cleared codes and then it would start, repeated starting till it did not, then cleared codes and hit wit...
2004 BMW 545i 4.4L active steering VIN: WBANB33514
Everybody agreed on the nonsense of using used parts with this type of systems. Also the need for programing and or coding. I researched the codes that i was getting that wouldn't allow coding or programing and the hardware fail code points to rack motor posit...
1992 Chevrolet Corvette 5.7L Cuts out, Stall VIN: 1G1YY23P4N
After further diagnostics found distributor was bad. replaced distributor and vehicle runs great. Trouble codes: 16 (Low resolution pulse failure).
1996 Chevrolet K3500 Cheyenne 7.4L No Start VIN: 1GCHK33J2T
The replies were a great help to fix this multi problem truck. I replaced the crank sensor with a GM part and then I had crank signal at the sensor but not at the PCM. I ran a new signal wire to the PCM and then I had rpm on my scan tool but still no start so...
2001 Chevrolet Silverado 1500 5.3L transfer case VIN: 1GCEK19T21
got truck back together did what you fellas suggested and drove vehicle on jack stands in low gear found the drive shaft to have a wobble measured driveline angle found angle at transfer case good but at the pinion found it out 8 degrees. even tho the lift blo...
2008 Chevrolet Silverado 1500 LTZ 6.0L Misfire VIN: 2GCFK19Y88
Hi Everyone, I appreciate all the help I received on this one as it was difficult to determine whether the failure was the vlom or the lifters. Thank you to Mike [...]... Trouble codes: P0300 (Engine Missfire Detected), P0430, CATA1, EFF1E, 10W, P0449 (Evap Vent Soleniod Control Circuit), P0521 (Engine Oil Pressure Preformance).
2008 Chevrolet Tahoe Hybrid 6.0L No Sart VIN: 1GNFK135X8
Thank you for the responses. Customer has so far declined repairs. Martin Smith of BCIT also was helpful in suggesting that we isolate the drive motors MG1 and MG2 from each other by swapping the wiring for each unit with each other and upon doing so the...
2014 Chevrolet Corvette Stingray 6.2L Steering under power VIN: 1G1YJ2D72E
Thanks as always for the offered help. We ended up sending this to the Chevrolet Dealer. They scanned it and told us the rack is bad and will have to be replaced and reprogrammed. There are no repairs at all on this unit. I guess it is very complicated and...
2005 Dodge Magnum SXT 3.5L MIL Lamp on VIN: 2D4FV48V55
most common replies suggested valve issues [seat , springs, cam, ] others recommended intake gasket. Due to the fact that we have never felt the misfire at any time nor has the owner we both decided to let things stay. Before coming to our shop the ABS lights ... Trouble codes: P0303, P0303.
2016 Dodge Grand Caravan SE 3.6L broken valve spring VIN: 2C4RDGBG1G
Thanks for the replies. I did verify no warranty coverage before I opened it up, and thought I had done a good amount of research before asking for your opinions. I believe my search was to narrow as I was looking for spring issues only. Chrysler is practicall...
2005 Ford F-150 FX4 5.4L Surge VIN: 1FTPW14585
well I found out what was going on with this one. Almost all of the replies said check oil pressure hot. Oil pressure stayed above 35psi hot even at idle. I disconnected the phaser solenoids and got the same thing. I decided to try changing scan tools and went...
2008 Ford Crown Victoria Police Interceptor 4.6L Mechanical VIN: 2FAHP71V48
I want to thank everyone who took time to help with this one. I was the blend door actuator was bad and stuck to the hot side. Replaced actuator and everything worked as it should and had nice could a/c. Thank you again, Christopher
2008 Ford E-350 Super Duty 6.8L MIL Lamp on
Replaced PCM. ran all monitor no check engine light (: Trouble codes: P0155, P0171, P0443, P0135 (HO2S Bank 1 Sensor 1 Heater Circuit Fault).
2014 Ford Expedition EL Limited 5.4L Blower Motor VIN: 1FMJK1K52E
Okay everyone thank you for the input. It turns out the new BWD control unit is a POS. I got the Motorcraft OEM and the issue is resolved. Lesson learned, stick to OEM electronics.
2002 Honda CR-V LX 2.4L No Start VIN: JHLRD68402
This one is fixed, it was a broken tooth on the crank reluctor, the way I found this was with a 4 channel scope, one lead on the crank, cam, tdc, and #1 ignition coil, started the engine with the crank sensor unplugged, then reconnected it. The scope was conn...
2009 Honda Accord EX 2.4L Misfire VIN: 1HGCP25759
First off, thank you to everyone who replied. You folks gave me some idea's of other things to try. Cats are good, fuel pressure right on, it's not burning oil, Alternator disconnected, no change, compression and smoke test good, did not clean the front screen... Trouble codes: P0301 (misfire 1), P0302 (misfire 2), P0303 (misfire 3), P0304 (misfire 4), P0300 (random).
2002 Jeep Grand Cherokee Limited 4.0L Starting VIN: 1J4GW58S92
Can't give a lot of info on the repair. Mostly everyone knew what we overlooked. The computer behind the right kick panel was not plugged in completely. Starts and runs great. Was able to check all system and send on its way. Thanks al
2012 Volkswagen Passat SEL 2.5L High Pressure Sensor VIN: 1VWCP7A32C
A lot of really good information, and we did unplug the washer heaters. It still blew the fuse, so we pulled apart the wiring harness but it still blew the fuse. I think it is a bare wire and that the customer must go over the right bump to make the fuse blow....
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