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International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for May 10, 2023
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Open Help Requests for All Makes and Models
Help Request Answers
2019 Dodge Grand Caravan GT 3.6L p0869 VIN: 2C4RDGEG2K
This van consistently sets a P0869 high pressure code. I checked the electrical connector and the wiring, looks good. The fluid was dark & smelled a bit so I changed the filter & fluid. The actual pressure & desired are quite a bit off, in reverse actual i...
2021 Mercedes-Benz GLB250 4Matic 2.0L Excessive Emissions, Poor Idle Quality, Misfire, MIL Lamp on, Hard Misfire cyl #3 VIN: W1N4N4HB2M
This 4 cylinder turbo got towed-in, it's starts and runs but has a constant hard misfire/MIL/engine shaking. It's worse at idle but continue to misfire at all engine speeds. Crankcase pressure measured at idle (-11 to -12" WC) (27-30 mbar) I suspected... Trouble codes: 00303, 85 (Misfire detected cyl 3), P219E, 77 (Irregular mixture formation cyl 3. The commanded position cant be reached), P050A, 94 (Idle speed control malfunction during cold start. There is an unecpected instruction)
2016 Ram ProMaster 2500 3.6L Radio - Premium VIN: 3C6TRVDG9G
Radio is dead, blank, nothing turns on. Radio is premium option w/ Satellite XM, Bluetooth, rear view camera functions. Initial thought we had a bad radio. All main power & ground circuits were tested & found to be good. Radio is directly connected to BCM ...
2011 Subaru Outback 2.5i 2.5L Vibration VIN: 4S4BRCCC3B
This car has a vibration while parked and revving the motor. It can also be heard and felt while driving down the road. Its a fast vibration that can easily be heard and felt inside but not outside the vehicle over engine noise. Is it possible the transmis...
2007 Toyota Prius Touring 1.5L Fuel Gauge VIN: JTDKB20U57
Has anyone had to deal with a blinking gas gauge on a Gen 2 Prius? Specifically, ours is blinking on-off-on-off steadily (like a turn signal). I've seen some YT vids showing an easily disconnected harness at the display which causes on-off-on-pause, then r...

Fixes & Summaries for All Makes and Models
Fix/Summary Answers
2018 Bentley Continental GT Speed 6.0L alarm VIN: SCBGY3ZA3J
I did not fix this car since the alarm never falsely triggered at the shop. A good suggestion was to get oem service info subscription and the owner would have paid for it if we could re-create the fault. I do not do many euro cars but there is no dealer to se...
1991 BMW M5 3.6L Wiring Diagram VIN: WBSHD9319M
Thank You to all who responded. I went to the BMW factory TIS website and called up the wiring diagram for that VIN. It matched Alldata and others that were available. The car has gone but will return I may have to pin it out and build my own diagram. The...
2005 Chrysler Town & Country 3.3L MIL Lamp on VIN: 1C4GP45R85
The hoses on the NVLD were switched. Either someone had previously swapped them or the Dorman NVLD has the ports switched. Code P0441 is now gone, and with that gone it is now setting a P0420. Just what this customer needs to do, spend money on a converter.... Trouble codes: P0441.
2005 Ford F-250 Super Duty XL 6.0L Transmission VIN: 1FTSF21PX5
I want to thank everyone for your responses. I am not a big fan of these trucks with a master slave combo that you can not bleed. I found the the connection at the firewall with the master cylinder was not very secure. I felt if we could get a little more t...
2018 Ford Transit-350 HD XL 3.2L DEF system VIN: 1FDRS8PV5J
Replacement of thermostat was the fix for the P0128 code and the engine now reaches operating temperature. However, this did not correct the P24D1 code so we're still trying to figure this one out. I will update with any further developments. Thanks for you...
2018 GMC Canyon 2.5L Fuel Gauge VIN: 1GTH6BEA7J
So this turned out to be a defective, month old driver module from the the chevy store, sorry for the delay wanted to make sure. As an added thought, it sounds like some of you guys and girls state side claim you don't need to have the pump module programed, w...
2016 Honda Civic EX-T 1.5L Misfire, MIL Lamp on VIN: 2HGFC1F3XG
Thank you for the replies to this post, the fix was to change the engine oil. Decided to change the oil because nothing else made sense. Blocking off the pcv valve made very little change. after changing the oil fuel trims dropped to -3. Its been 3 weeks and a... Trouble codes: P0172, P0301.
2008 Jeep Wrangler Unlimited X 3.8L High Side VIN: 1J4GA39148
THE FAN!! THE FAN!! (FANTASY ISLAND) I couldnt believe i missed the fan not working. SHEESH!! i consider myself a top tech, but wow. that big ass plug wasnt fully connected, thanks guys for your quick replys and help...til next time, tattoo out.
2013 Mercedes-Benz CLS550 4.7L Poor Idle Quality, Misfire
Thanks to all that responded. Swapped out injectors with known good ones and engine purrs like a kitten. Don't know why 3 injectors on one bank only went bad, but as Lou Costello would say at the end of Whos on first comedy act "I Don't Care" Trouble codes: P0301, P0302, P0304.
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