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International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for April 29, 2020
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Open Help Requests for All Makes and Models
Help Request Answers
2002 Chevrolet Trailblazer LS 4.2L Misfire VIN: 1GNDS13S62
I have switched coils and plugs, smoke tested for vacuum leaks, done a compression test running and cranking, spark jumps 25kv and have not had any luck so far. I checked the injectors with my power probe 4 at the pcm and they all give the same readings. I... Trouble codes: P0300 (Random misfire)
2008 Chevrolet Tahoe LTZ 5.3L Misfire VIN: 1GNFK13038
Intermittent cylinder 7 miss fire. GM techs please help!. This 08 Tahoe has an intermittent miss fire that occurs only on light acceleration, and occasionally on deceleration. A ten mile test drive will generally result in a 10 to 15 second long miss fire ... Trouble codes: P0300
2011 Chevrolet Silverado 1500 LT 4.8L Misfire
I have a 2011 Silverado with two codes p0300-p0219B . After scanning the truck I notice #6 cylinder had multiple misfires ,cylinders 3 and 4 also had them but they were very random . The #6 cylinder is the one that's coming up with the most but it isn't co... Trouble codes: P0300, P0219
2005 Dodge Ram 2500 Laramie 5.9L fan clutch VIN: 3D7KS28C45
hi all,so on my personal truck,and as an asian car mechanic,having a problem with the fan clutch.so with my autel scanner,it shows me fan speed (rpm) and % desired on time.it also has an actuator check,but engine off.i can hear it clicking when commanded,s...
2008 GMC Sierra 3500 HD SLE 6.6L Stall VIN: 1GDJK34668
Customer bought truck from auction (I know...) Stalling cold and EGR plugged. Customer had EGR deleted (not by us). Intake air heater disconnected and P154B code when vehicle was purchased. We tested and found intake air heater faulty (part 2 weeks away). ... Trouble codes: P154B, P0506 (Idle speed low)
2011 GMC Yukon XL 1500 Denali 6.2L ride height VIN: 1GKS2MEF6B
Thank you in advance We replace the rear air shocks on this Yukon and found 1 ride height sensor plastic tab broken. Replaced both ride height sensors and now we our off on ride height 1 inch left to right. I found the recalibration procedure in Alldata se...
2004 Honda Accord EX 2.4L Engine lubrication circuit VIN: JHMCM56884
This car came in with the code P2646 for the VTEC system. Replaced the VTEC oil pressure switch and the screen. Test drove car and the fault code came back right away. Started the engine with the oil cap off and found that there is absolutely no oil coming...
2016 Jeep Wrangler Unlimited Sport 3.6L Valve Train VIN: 1C4BJWDG9G
The dreaded 3.6 Pentastar is in my shop housed in this 2016 Jeep with what sounds like a single lifter tapping on the passenger side near the back. Researching the problem I found a lot of issues with the valve train and driver's side head itself until the...
2005 Kia Sorento EX 3.5L MIL Lamp on VIN: KNDJD73355
hi all,so i got this kia with cel on and p1330 .on initial road test it did run like timing was not advancing properly,kinda sluggish accel.alldata says its the spark timing check wire,which when shorted to ground,puts the ecu in base timing @5deg.so i fol... Trouble codes: P1330
2016 Mercedes-Benz E350 3.5L eco start/stop VIN: WDDHF8JB5G
eco does not work on this car..rear battery new from mb..nothing comes up on dash where eco is..just blank screen..no eco in yellow and no eco in green..have updated all modules the have anything to do with eco..only code was for buffer battery which we re...
2000 Volkswagen Jetta GLS 2.0L Compressor VIN: 3VWSC29M2Y
AC doesn't blow cold. recharged ac and checked for leaks none found. checked for power at the ac clutch non found powered on ac clutch works. checked fuses none blown. replaced ac fan control module. ac fan clutch has 12v but not enough amps to power clutc...

Fixes & Summaries for All Makes and Models
Fix/Summary Answers
2008 Audi A6 Quattro 3.2L No Start, Cuts out, Stall VIN: WAUDH74F78
First, thank you to all who replied. We do not know if we solved the issue with this vehicle or not. We replaced the HPFP and tappet, replaced customers original fuel pump moddule, in tank fuel pump and cam position sensor. The car continued to run without ...
2001 Mercedes-Benz SLK320 3.2L No Start, MIL Lamp on VIN: WDBKK65F21
Group I got this one fixed. As a few mentioned the k40 relay was the problem. I had power and grounds coming in but no power out to ecm, tcm or abs module. Installed new relay and she fired right up. Test drove and reset computer. Also advised about the trans ...
2007 Mercedes-Benz S550 5.5L No Start VIN: WDDNG71X67
I went to the shop and put my I-Scan on it and the code in the ignition switch module was A B1009 not a 9006 like the shop told me. I cleared the code and it did not return. I looked at all of the data parameters in ignition switch module while I turned the s... Trouble codes: 9006 (Terminal 30b Low Voltage).
2005 Suzuki Verona LX 2.5L Long crank time VIN: KL5VJ56L75
Thanks to all who responded. A special thanks to Dan [...] who was correct. The oil was completely fouled with fuel from the original problem prior to all the repairs we did. We missed this because we had just changed the oil 50 miles before the problem o... Trouble codes: P0154.
2005 Toyota Land Cruiser 4.7L Unknown VIN: JTEHT05J95
Thank you all so much for the suggestions. A big "thank you" to Timothy [...] who correctly identified the problem. We decided to order a new PS rack from the dealer. After removing old aftermarket rack we put the OE and aftermarket side by side and took so...
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