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International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for April 7, 2021
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Open Help Requests for All Makes and Models
Help Request Answers
2000 Ford F-150 XL 4.2L No Start VIN: 1FTZX1726Y
ok i got this in a few days ago. customer stated install and program pcm. installed and programmed vehicle will not start called customer this is why she wanted the pcm installed. checked fuel pressure and condition. alot of water in fuel. drained and clea...
2011 Ford F-350 Super Duty King Ranch 6.7L performace VIN: 1FT8W3BT1B
No codes at approx 50 mph 1200 rpm we sometimes get a short turbo /vgt/wastgate hunt and surge for approx 3-5 seconds again no codes. ( wop wop wop) then goes away.
2012 Ford Flex Limited 3.5L Poor Idle Quality VIN: 2FMGK5DC9C
I have this Flex that is driving me a bit nutty. Initially came in with wrench light coming on and no throttle response. It was happening intermittently. Customer came back day later wrench light coming on check engine light on. 9 times out of 10 restartin... Trouble codes: P2100 (TAC Motor Circuit), P2107 (TAC Module Processor), P2109 (TP Sensor Performance)
2014 Ford F-150 XLT 5.0L FF inferred value VIN: 1FTFW1EF7E
Vehicle came in with extended crank to start. No related faults present. Data showed flex fuel as learned and inferred %=78. Found fuel pressure under 50 psi at times, LT trims low at idle & cruise; pressure drops 10 psi in 30 seconds KOEO. Replaced fuel p...
2012 Hyundai Tucson Limited 2.4L compressor? VIN: KM8JU3AC4C
hi all,so this 2012 tuscon blows 90% room temp. when first turned on,it will kinda cool(not cold) for 20 seconds or so,then back to warm/ambient temps.customer added freon,so i evac system and it was overcharged.refilled proper amt of freon,still doesnt wo...
2015 Hyundai Santa Fe Limited 3.3L Timing System VIN: KM8SRDHF3F
This car is on the second owner so the 100,000 mile warranty does not apply in this situation. Have dealt with many Ford, Chrysler, and Chevrolet Timing Chains on newer vehicles. However this one has us proceeding with caution. I searched the databas...
2015 Jeep Cherokee Latitude 3.2L Rear Cylinder Head VIN: 1C4PJMCS3F
We have valve train - lifter - noise in rear head. Being rather unfamiliar with this engine, my question is do I quote cams and lifters, or a reman or new head. Front head is quiet as a mouse. Oil pressure seems to be good - haven't run an oil pressure tes...
2013 Mercedes-Benz GLK350 4Matic 3.5L MIL Lamp on VIN: WDCGG8JB7D
P001885 Is active. Has a long crank, and it rattles on cold start-up. If code is cleared, the long crank problem goes away, but the code resets right away and the long crank returns. Followed WIS and pulled the intake manifold, and cam sensors, aligned the... Trouble codes: P0188

Fixes & Summaries for All Makes and Models
Fix/Summary Answers
2019 Jeep Cherokee 3.2L unknown
CV axle fixed it. Steps I took: Checked torqued of hub fasteners-ok. Checked tightness of axle nut ok. Loosened and retorqued exactly as suggested-same. Removed caliper and found ok. Removed hub and bearing felt ok i.e. not notchy or stiff. CV boot(s) a...
2007 Mini Cooper 1.6L Coolant fan inop VIN: WMWMF33537
Thank you everyone for your help on this. We reluctantly ended up sending this Mini to another shop for a second opinion. Somehow this vehicle became an intermittent ?crank but no start condition? ? After reading a T.S.B. about recommending disconnecting the m...
2011 Porsche Cayenne S 4.8L MIL Lamp on VIN: WP1AB2A24B
Thanks to those who offered constructive advice! It turned out that the pins in the ALDL connector were intermittently losing contact with the scanner. I accidentally bumped the connector one time and it started working. What I learned in a conversation with a...
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