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Prev Professional Automotive Repair Technical Discussions for August 2, 2014
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Open Help Requests for All Makes and Models
Help Request Answers
2005 Audi A4 1.8L oil pressure VIN: WAULC68E75
Hoping to get some input before I start pulling engine apart further. Vehicle losing oil pressure. After searching previous posts found a lot of issues with sludge and pick up tube. Dropped oil pan no sludge but screen clogged with debris and pieces swimming i...
1996 Chevrolet Cavalier 2.2L Excessive Emissions, Poor Idle Quality, Hesitation, MIL Lamp on VIN: 3G1JC1247T
Car runs fine in open-loop, it has great vacuum idles fine. Once in closed-loop the vacuum slowly drops from 18in/hg - 8in/hg and eventually stalls out. I see this happening on the scan tool and actual vacuum gauge. If I unplug the O2 sensor or tsp to force it... Trouble codes: P0171 (Bank 1 system lean)
2002 Chrysler Town & Country LX 3.8L No Start VIN: 2C4GP44530
first of thanks for the help. This van acts like it wants to start, while reading the scan data while cranking the readings on just about every sensor start to fluctuate from high voltage to low voltage. The only way they read normal is if i unplug the cam sen...
1996 Dodge Ram 1500 5.2L Poor Idle Quality, Misfire, MIL Lamp on VIN: 3B7HC13YXT
Pulling my hair out big time... Truck runs amazing cold, but when it heats up to temp, it misses hard. I tried sticking a digital scoping camera into cyl 4 and the valves look fine. Compression check on cylinder 4(135psi) and 6(145psi) are close. Im not sure w... Trouble codes: P0300, P0304
2003 Mitsubishi Diamante LS 3.5L MIL Lamp on VIN: 6MMAP67P73
Vehicle arrived with P0401 code stored and active. checked egr for blockage- egr port clear and valve opens and closes. Next went and checked vacuum source at throttle body. It is supposed to have a ported vacuum source and I attached my gauge to the port on t... Trouble codes: P0401 (Egr low flow)
2002 Nissan Maxima SE 3.5L fuel guage VIN: JN1DA31A22
Car comes in with a malfunctioning fuel gauge, reading full all the time. We change the sending unit with one from the dealer. Everything is fine when the car leaves the shop. A week later the car comes back and is having the same problem. So we tear apart the...
2008 Subaru Tribeca Limited 3.6L Surge, Stall, MIL Lamp on VIN: 4S4WX93D28
Morning all, The Suburu came in with these codes stored, We looked over all the basics didn't really see anything, so we cleared codes let them drive it. The customer does keep up on the oil changes and recently had the oil changed to see if this would take ou... Trouble codes: P0016, P0017, P0018, P0019, P0021
2006 Volkswagen Touareg 3.2L Unknown VIN: WVGZG77L76
VW tech, please help. Customer complaint transmission jerk after car warm up & more noticeable at 3rd [...] 4th gear both up shift & down shift. Install scanner, pull code 1dtc 00192-Torque converter lock up clutch mechanical, check with VW Dealer, no update avai...

Fixes & Summaries for All Makes and Models
Fix/Summary Answers
2011 Chevrolet Silverado 1500 WT 4.3L evaporator VIN: 1GCNCPEX3B
The fix was to replace the faulty HVAC control module. Once that was done, the A/C compressor cycled normally when the evaporator temperature sensor reached about 35F. Oddly, the HVAC control module came pre-programmed, so I performed the module set-up thro...
2004 Dodge Grand Caravan SE 3.3L MIL Lamp on VIN: 1D4GP24R54
Well, this one is fixed. After reading the replies I received I went back and re-ran the tests. After looking at wire colors on a wiring diagram, I realized during initial testing, what I thought was the signal wire was the return wire and vice versa. I actual... Trouble codes: P0138 (O2 Sensor 1/2 Voltage High).
2005 Isuzu NPR 6.0L turn signals. VIN: 4KLB4B1V15
Sorry forgot about this one. Yes it was the switch on this one too. I really need to stop second gessing myself, thanks again.
2001 Mercedes-Benz CLK55 AMG 5.5L dash warnings VIN: WDBLJ74G31
Thanks Patrick,Mukesh,and Tom for the responses,after checking voltage at the steering sensor connector I installed a new CAS to no avail.It initialized at first ,but the warnings came up as soon as it was driven. This is a VERY rough car with high miles an...
2008 Mini Cooper S 1.6L Mechanical VIN: WMWMF735X8
So after evaluating the repair, I called a friend who sends us work on domestics as they specialize in BMW SAAB and Volvo. He warned me to watch for passenger tensioner leaks and coolant leaks over the trans. This car had both, we figured it was much better t...
2003 Toyota Corolla CE 1.8L drums VIN: JTDBR32E23
I have to close it because it been more than a month and have not work on this corolla, I been working on his other car but we have planned to fix it next week. I will post the final off this case, Thank very much to all tech, I got really good info..
2005 Toyota Camry 2.4L noise exhaust manifold VIN: 4T1BE32K45
Turns out that the Alternator is the culprit...unplugged the alternator and the noise went away. Thanks for all the help!
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