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Prev Professional Automotive Repair Technical Discussions for October 28, 2020
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Open Help Requests for All Makes and Models
Help Request Answers
2007 Audi Q7 Premium 4.2L Hesitation VIN: WA1BV74L57
Not a European guy and looking at it for another shop that is overwhelmed. Vehicle has many issues/codes and cleared them out and chased what returns first- low rail pressure. Confirmed transfer pump at 8.00 amps and 5 bar at idle, high side actual matches... Trouble codes: P0087 (Fuel rail/system pressure too low)
2007 BMW 335i 3.0L MIL Lamp on, Low power VIN: WBAWL73597
I cannot see the pressure regulator action on my Autel to see what the pump is commanded, any BMW techs out there that can give some direction on this would be appreciated. I don't get the 29F2 code back but the 29E2 code comes back when started and only s... Trouble codes: 29E2
2000 Buick LeSabre Limited 3.8L Head lights VIN: 1G4HR54K7Y
First of all the head lights stay on for a least 10 min. I have the same car and the headlight stay on for 3 min. Which is discharging the battery because of short drives. I went into the DIC Module by using the remote & pressing #2 and pushing the Eng/Met...
2007 Dodge Ram 3500 Laramie 6.7L OIl pressure VIN: 3D7KS28A47
This is my personal truck that I've owned for 9 years and loved. I've changed oil and filter regularly and the problem that I just started to encounter is intermittent no oil pressure on cold startup at temperatures below 20F. I think I can hear the dif...
2006 Ford F-450 Super Duty XLT 6.0L Blue smoke VIN: 1FDXF47P56
Help please! Before I go on a long safari with this one, I think some insights here might help. This engine blows blue smoke off idle. Engine oil is full. I read that possible causes include insufficient fuel, air in fuel, contaminated fuel, loose or restr...
2013 Ford Fusion SE 1.6L Misfire VIN: 3FA6P0HR7D
Blown head gasket and damage to plug hole on #2 cylinder. Replaced the head with new from factory with factory installed valves. now the engine has a misfire on all cylinders at idle only, otherwise drives great. new factory plugs done twice now. No vacuum... Trouble codes: P0300
2011 GMC Sierra 3500 HD SLE 6.6L MIL Lamp on VIN: 1GD523CL2B
I have codes listed, but most of all I need your help on the outside air temperature sensor (OAT) before I start on the other codes. The MDI shows the PID for the outside air temperature at -40 degrees when in engine data. I checked the sensor resistance/t... Trouble codes: P046C, P20EE, P0401 (Exhaust Gas Recirculation EGR Flow Insufficient), B0158 (Outside Air Temperature Sensor Circuit Short to Ground)
2006 Land Rover Range Rover HSE 4.4L Head Gasket? VIN: SALMF15476
OK Land Rover experts. A low mileage 2006 Range Rover HSE 4.4 overheating problem. Block test came out good. Performed 5 minute leak pressure test on each cylinder @100psi +/- and none cause any change in the level to the coolant reservoir. Pressure test c...
2001 Nissan Sentra GXE 1.8L Poor Idle Quality, Cuts out, Stall, MIL Lamp on VIN: 3N1CB51D71
Car was towed in with a cranks runs for 5 seconds stumbles and stalls. If you try to give it throttle it immediately stalls. Tried to retrieve codes and no communication between 3 scan tools and car. Tested data link and have powers and grounds nothing on ...
2005 Nissan Xterra Off-Road 4.0L Cooling Systems VIN: 5N1AN08W55
Apologies in advance for long story. This Nissan Xterra came to us after we provided a phone estimate based on the information the customer provided from the Nissan Dealer's Diagnoses. Original concern was no movement when applying throttle.(intermittent) ...

Fixes & Summaries for All Makes and Models
Fix/Summary Answers
2006 Ford Escape XLT 3.0L No Start VIN: 1FMYU031X6
all suggestions were very good. I did have to pass the vehicle on. I could not locate the draw due to the budget constraints.She was very understanding. Her son took the vehicle to trade it in. Hes tired of the headache. Thank you all for the good input. Trouble codes: B1342 (faulty generic control module).
2007 Honda Fit 1.5L dashlight,headlight VIN: JHMGD384X7
Hi All, Thanks for all the replies, I really appreciate it. I had done all of your recommendations to check the vehicle, I felt grateful for all your supports. It's been 10 days the customer never called back again. I told him to call me back if the problem wa...
2008 Pontiac Solstice GXP 2.0L Misfire VIN: 1G2MG35X68
Thank you for all of the replies! I did a cold compression test and #4 cylinder had 70 lbs. while the others had 160. I removed the cylinder head and found that all of the intake valves were tuliped. I had all of the intake valves replaced and a valve job done... Trouble codes: P0300 (Multiple cylinder misfire), P0304 (4 cylinder misfire).
2012 Volkswagen Tiguan SEL 2.0L smokes VIN: WVGAV7AX3C
Unfortunately I have not figured out what is going on with this vehicle. I did just have an Audi A4 that had an injector that was sticking open intermittently and it would show max rich reading on the fuel trims where this Tiguan isn't doing that. I also did ... Trouble codes: P1950 (Radiator fan V7 movement restricted intermittent), P0341 (Camshaft position sensor G40 Implausible signal intermittent), U1017 (check faults in abs), P0300 (random multiple misfire), P0304 (Misfire cyl 4).
2002 Volvo V70 2.4L Engine VIN: YV1SW61RX2
Thanks for all of the help. I am mostly convinced that the CEM is the issue with this car. The Customer doesn't want to spend that much money on a 20 year old P2 which is understandable!. I am trying to come up with another way to get around the VIN security c...
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