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International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for July 2, 2021
International Automotive Technicians' Network (iATN) - Members Only
(Also Available: All, Asian, Chrysler, European, Ford, GM.)
Vehicle Owners: If you are seeking an automotive repair professional to service your vehicle, visit the iATN Repair Shop Finder.

Open Help Requests for All Makes and Models
Help Request Answers
1986 Cadillac DeVille Touring 4.1L Cooling Systems VIN: 1G6CD6983G
Good morning everyone, I hope someone that has worked on these old Cadillacs can point me in the right direction. Complain is the radiator cooling fans run full speed all the time the key is ON, I already checked wiring to the fan module and all is good ...
1996 Chevrolet Impala SS 5.7L Surge, Stall VIN: 1G1BL52P0T
Okay so after testing every part we can't seem to figure out what is causing the surging idle on this car. It only does it hot, in gear or not it doesn't matter. Sometimes the surge is so bad it stalls. It usually does it at below 620 rpm. As the idle slow...
2014 Chevrolet Equinox LT 2.4L Hesitation, MIL Lamp on VIN: 3GNAL3D638
Hello Techs. I have a 2014 chevy equinox 2.4L with codes P0016 and P0017 come in today. customer states:" engine rattled while driving". He did stop and added more oil to the engine. Now engine stops rattling but the SES light stayed on. According to the c... Trouble codes: P0016 (cam/ crank correlation), P0017 (cam/ crank correlation)
2011 Chrysler Town & Country Touring L 3.6L Misfire, MIL Lamp on VIN: 2A4RR5DGXB
we have a misfire on #4 cylinder and we cannot find the cause. we have new champion o/e spark plugs, new #4 injector, new intake gaskets, upper and lower,and swapped ignition coils. the compression is even across the cylinders at 135 lbs. we have removed a... Trouble codes: P0304
2017 Ford Expedition Platinum 3.5L gauges not lighted VIN: 1FMJU1JTXH
Not sure where to look for the problem with this expedition. The head lites stay on, no matter what. running down the battery. When the key is turned on, no dash lights, no crank. When turn the key on, we think the power windows work.
2015 Mercedes-Benz Sprinter 2500 3.0L Seat belt lamp VIN: WD3FE7CC8F
Seat belt lamp illuminates/chimes when you lean forward in seat (drivers). If you stay leaned back and pull shoulder belt forward it will also illuminate/chime. 171k on vehicle, replaced shoulder belt, lower belt receptacle and squib connector for pretensi...
2011 Toyota Avalon Limited 3.5L high beam headlamps -both VIN: 6T153KK400
commanding high beam with scan tool wont work for high beam, only low beam. circuit must be ok from fuse onwards to light as if i supply power to fuse , on one side the light works fine. my wiring diagram show a low beam relay in the engine bay fuse/relay ...

Fixes & Summaries for All Makes and Models
Fix/Summary Answers
1997 Acura TL 2.5L Misfire VIN: JH4UA2657V
Replaced plugs, wires, cap and rotor. Smoked intake, adjusted valves, swapped injector, checked compression and still cylinder # 4 misfire. Customer has decided to take vehicle to dealership, and would update me with their results. I will then post an update. ... Trouble codes: P0304.
2004 Chevrolet Silverado 2500 HD 6.6L occaisionall perform VIN: 1GCHK29154
Thanks to everyone...I did try Mike's suggestion to jumper that splice to see if other modules were causing interference, but no difference. The problem I was informed was that it would have EGR codes pop in and out, although it never happened to me. more like...
2008 Chevrolet Suburban 1500 LTZ 5.3L Excessive Emissions, MIL Lamp on VIN: 3GNFK16338
Hey there iATN members, just closing this help request. I'd like to shout out a special thank you to the 11 of you who offered your time, advice, and expertise to assist me on this vehicle; I extend my sincere gratitude to you all, and I will gladly do my best... Trouble codes: P0420 (Catalyst system low efficiency B1), P0430 (Catalyst system low efficiency B2), P0573 (Brake switch circuit 1 high voltage), P1133 (HO2S insufficient switching B1S1), P1153 (HO2S insufficient switching B2S1).
2006 Chrysler 300 Touring 3.5L Harmonic Balancer VIN: 2C3KA53G36
Ok got the balancer off by heating the rubber where balancer is put together. After prying the outer half off, heated the center part that pushes onto crank. Using 2 5ft pry bars pry on opposite sides till it came off. Thanks to everyone for their help.
2008 Dodge Sprinter 3500 3.0L Limp In mode VIN: WD0PF14578
The turbo actuator was definitely bad and had stripped gears internally. Unfortunately, the controller is not available from either Dodge or Mercedes without the turbocharger assembly (about $6000 if I remember correctly). So, while we tried to afford an... Trouble codes: 23592, 23592, 23592, 23592.
2005 Honda Civic LX 1.7L Misfire, MIL Lamp on VIN: 2HGES16595
After a valve adjustment(found one intake valve too tight #1 cyl-zero clearance) in addition one spark plug also #1 ceramic center loose- yes new denso spark plug, nonetheless after correcting valve clearances and plug replacement no word from customer after 4... Trouble codes: P0301 (Cylinder 1 misfire detected).
2000 Mercedes-Benz SL600 6.0L ride control VIN: WDBFA76FXY
As stated below we did fix this vehicle and I've received a request from IATN to close this post. Hope the fix I posted helps someone down the line. Thanks Matt---
2010 Toyota Camry LE 2.5L MIL Lamp on VIN: 4T1BF3EK4A
Pcm replacement repair vehicle. Fuel trims are correct and all PID's are back to normal Trouble codes: P0136, P0136.
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