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Prev Professional Automotive Repair Technical Discussions for July 20, 2014
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Open Help Requests for All Makes and Models
Help Request Answers
2006 BMW 530xi 3.0L Poor Idle Quality, Cuts out, Stall, MIL Lamp on VIN: WBANF73536
Vehicle has check engine light, sometimes will stall, when hot started, idle will fluctuate and b rough(almost misfire) po171 and 174 repeat very soon after driving. We replaced all the tubes hoses etc for crankase ventilation, as we had low vacuum reading in ... Trouble codes: P0171, P0174
1996 Chevrolet Tahoe LS 5.7L Rear Diff VIN: 1GNEK13R9T
Installing a new truetrac rear diff with new 3:73 Ring & Pinion, bearings, etc. . The gear mesh pattern is what I'm questioning. Looking for opinions on if I need to adjust it more.. I can't find a way to attach pictures so if there are any guys that special...
2001 Chevrolet Impala 3.4L Gauges, compressor
Hi guys Have not gotten this car back in yet but my boss just told me today that it has no A/C again and the gauges are not working right. the temp gauge doesn't move and the spedo is fluctuating like its the tack. We replace the bcm last week because the co...
2006 Hyundai Sonata GLS 3.3L abs light VIN: 5NPEU46FX6
Hello all, this 2006 hundai has never had any real issues according to the client. He went to a local tire store and had a front pads and rotors brake job done. when he picked it up, the abs, esc, and the red brake light are on with codes c1612, can time out, ...
2000 Jeep Grand Cherokee Limited 4.7L ecm pinout VIN: 1J4GW58N4Y
Lost 5 volt reference circuit believe a sensor is pulling it down . Need a ecm pinout any help would be greatly appreciated
2011 Lexus IS250 C 2.5L Steering wheel VIN: JTHFF2C22B
Good morning fellow techs and thank you in advance for your time and any help you may be able to provide. I have a very good customer with this 2011 Lexus IS250C that came in on Friday afternoon to see if I could help them. They stated that just as the vehicl...
2004 Nissan Sentra S 2.5L Poor Idle Quality VIN: 3N1AB51A84
This car came to me not running due to a bad cam sensor no signal so we got it running again but had a bad head gasket due to rad tank leaking so we did the head job timing chains and gides. Complete valve job done .so this is where am at random misfire po 300... Trouble codes: 300 (Random miss)
2006 Subaru Outback 2.5i 2.5L Hesitation VIN: 4S4BP61C56
When the car is driven, its cold start performance is normal. As the motor warms up, the performance suffers in that, when given throttle, the response is very sluggish. For example, to climb a steep driveway, it is necessary to get a running start of 20 or 30...
2007 Subaru Impreza Outback Sport 2.5L Unknown VIN: JF1GG63627
Hi group now the customer is back with the complain of a vibration in the drive train.which they didn't had before!!! i replaced the whole clutch with new parts from carquest.i could'nt confirm the issue first because i drove not long enough, the vehicle needs...
2001 Toyota Sienna LE 3.0L MIL Lamp on VIN: 4T3ZF13C71
replaced rear oxygen sensor about 3 day before same trouble code came back on have any ideas as to what may be the problem? Trouble codes: P0420

Fixes & Summaries for All Makes and Models
Fix/Summary Answers
1994 Chevrolet C1500 Cheyenne 4.3L ignition VIN: 2GCEC19ZXR
Thank you to all that took the time to help me on this old truck.I change a number of stuff on this truck I install a rebuilt steering colum new distributor oil pressure switch but the problem was wireing at pump customer has a mechanic on the ranch that insta...
2007 Dodge Charger 2.7L MIL Lamp on VIN: 2B3KA43R77
Thank for all the helpful suggestions. Fuel trim is almost perfect, and fuel psi was in spec. Also freeze frame data, showed these codes set when coolant temp was at 212 degrees, so I doubt coolant issues are causing the problem. During WOT o2 voltage staye... Trouble codes: P1128 (Closed loop fueling not achieved b1), P1129 (b2).
2008 Ford Escape Limited 3.0L intermittent heat VIN: 1FMCU94178
2011 Ford Focus SEL 2.0L MyKey VIN: 1FAHP3HN6B
Thanks to everyone who replied my post. I have contacted the local locksmith that I've been using for the auto lock and they said they can cut and program a key for $65. The customer has not contacted me yet. So, I'll post a fix later.
1990 Jaguar XJS Classic Collection 5.3L upshifting VIN: SAJTW4842L
Thanks to all who replied. The unanimous advice was that the vacuum to the modulator was missing. I had checked it from the top and seen it was connected, but it never occurred to me that something could have happened to it at the modulator. I checked, and sur...
2004 Jeep Grand Cherokee Laredo 4.7L engine VIN: 1J4GW48N34
Hey everyone, we have a fix. A big thank you to all members who replied and offered help on this one. Let's get to the details. After posting my help request, I went back to the Jeep and had a helper rotate the engine while I inspected valve train (had valv...
2010 Mercedes-Benz Sprinter 3500 3.0L MIL Lamp on, No Power, 40mph max VIN: WD3PF4CC5A
We had released the vehicle hoping they would drive it and report back, but it is not in service at present (commercial van, they just don't need it right now) so I don't know if it is fixed or not, So I will close this post as a "not fixed". Here's what I l... Trouble codes: 15020.
1984 Porsche 911 Carrera 3.2L upper shaft bearing VIN: WP0EB0918E
Thank you all for your help. Because of necessity to return the vehicle to the customer, I took a members advise and cut the bearing out with a Dremel tool and many ,many, bits. Even with a 1/4" relief, the bearing still had to be freed with a hammer and chise...
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