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International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for November 7, 2019
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Open Help Requests for All Makes and Models
Help Request Answers
2002 BMW X5 3.0i 3.0L Power door locks VIN: 5UXFA535X2
Door locks unlock and lock themselves multiple times while driving. Interior light does not come on as if door switch was malfunctioning. I did notice that it acts up more on acceleration. Suspect malfunction in driver door latch or tailgate for no particu...
2008 BMW 535xi 3.0L Surge VIN: WBANV93588
Car surges/bucks but not like a miss at about 2200 RPM any gear any load. No codes. Never at a loss for power. Idles smooth. Accelerate like a rocket. You can cruise at about 3000 RPM plus all speed ranges no symptom. Plugs new. What is up? We are at los...
2011 BMW 328i xDrive 3.0L Hesitation VIN: WBAPK7C5XB
Vehicle feels like it is misfiring under moderate load but has no codes for misfire, and no codes in transmission. Around 1800 rpms is when the hesitation occurs. Swapped around coils, no change. checked plugs, all look good and new with proper gapping. Sm...
2013 BMW X5 xDrive35i 3.0L Valvetronic Motor VIN: 5UXZV4C56D
Vehicle had 2 fault codes stored: 2DD6 (valvetronic servomotor, position sensors: short circuit or line disconnection. 2DD8 (valvetronic servomotor, position sensors: sognal implausible. 3887 (vehicle voltage: voltage too low). We installed a new servomoto...
2003 Chevrolet Silverado 2500 HD 6.6L Transfer Case VIN: 1GCHK23193
Looking for verification if I'm on the right path. Snap On Diagnostics is identifying the transfer case for this vehicle as an NVG-263-NP1 transfer case. The wiring diagrams from Alldata also matches for this transfer case. The complaint is that it won...
2007 Ford Expedition Limited 5.4L Poor Idle Quality, Misfire, MIL Lamp on VIN: 1FMFK20577
Need some advise from Ford guys on this 5.4l Triton engine. Truck belongs to friend and customer and has 227K on it, has owned truck since new. He left his home the other morning and said he heard a rattle for a brief moment and then ran poorly. Cell came ... Trouble codes: P0018 (Crankshaft cam correlation), P0305 (Cylinder 5 misfire), P0307 (Cylinder 7 misfire), P0308 (Cylinder 8 misfire)
2008 Ford Edge Limited 3.5L no heat driver side VIN: 2FMDK49C18
vehicle brought to me with cold air only on drivers side. I thought this would be an air door actuator easy fix ,replaced actuator same problem .could see the air door actuator move when operating the controls removed actuator manually moved the door felt ...
2013 GMC Sierra 2500 HD SLE 6.6L Excessive Emissions VIN: 1GT02ZE86D
This is a State truck. Standard maintenance and DEF refills. It came to us with WARNING EXHAUST FLUID QUALITY POOR 55MPH in 20 Miles. WARNING LEVEL 3 We had codes for NOX sensors and P20EE replaced both sensors reset both NOX sensors and perform RFQ...
2004 Lincoln LS 3.0L Cuts out, Backfire VIN: 1LNHM86S64
Vehicle initially in for P2106 with lack of power while driving. Found and corrected issue with EGR/MAP and TPS harness. Now having a stumble with back fire on light acceleration, bank 2 stuck lean (LTFT 25, B2S1 switching B2S2 flatlined at 20mv) Checked f...

Fixes & Summaries for All Makes and Models
Fix/Summary Answers
2002 BMW 325xi 2.5L MIL Lamp on VIN: WBAEU33492
Thank you guys the problem was the vacumn switch when I opened egr valve with vacumn pump the air pump turned on.I removed the intake and replaced solenoid and vacumn lines. thank you Steven [...] Trouble codes: P0491 (Secondary air injection system insuff. Flow b1), P0492 (Secondary air injection system insuff.flow b2).
1994 Chevrolet K2500 Suburban 5.7L Poor Idle Quality, Cuts out, Misfire VIN: 1GCGK26K6R
Thanks for all the help. I was able to get rid of the intermittent miss/almost stall, by setting the base timing and cutting out the bad connection at the EST connector (failed ohm test). First I finally replaced my bad timing light. I set base timing. Problem...
2011 Ford F-150 XL 5.0L Clear PCM Codes VIN: 1FTFX1EF6B
Thanks for all the replies. Timothy nailed it. Interesting that I've never ran into this on the multitude of other late model vehicles I've serviced. Everyday is a new adventure. I hear what your saying Dan. In my experience at this mileage (especially wi... Trouble codes: P0302 (Cyl 2 Misfire).
2000 Honda Civic EX 1.6L Misfire VIN: 1HGEJ8143Y
Thank you all for the response and I apologize it took me a long time to close the post. After doing all this work to this car and replacing many parts I replaced the ECM and the ignition control signal was back to normal so I thought. When first scoping the i... Trouble codes: P1399, P0301, P0302, P0303, P0304, P0300.
2005 Subaru Outback i 2.5L Cuts out VIN: 4S4BP61C95
The fix was the vent from the canister to the frame, though it had been blown out and checked before with all other components we went back at the beginning as this is usually the best next step when you've checked everything and gone through all suggestions f...
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