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International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for June 18, 2017
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Open Help Requests for All Makes and Models
Help Request Answers
2013 BMW X1 xDrive28i 2.0L MIL Lamp on, reduced power VIN: WBAVL1C56D
hey folks,hoping to get some help on this one,13 bmw x1 2.8xi,2.0 turbo 4 cyl...vehicle is a relatives and they went to another shop for diag and they put in an aftermarket maf sensor..intermittently when you start the vehicle cel comes on and vehicle is in li... Trouble codes: P1290
2007 Mazda CX-7 Touring 2.3L Poor Idle Quality, Cuts out, Misfire VIN: JM3ER29377
Customer came in with rough running, black smoking engine under load. Customer requested turbocharger replacement due to smoke and turbo shaft play. Replaced with OEM. Little to no oil present in intake tract and no liquid oil in exhaust when we changed it. Ch...
2006 Mercedes-Benz C55 AMG 5.5L No Start VIN: WDBRF76J26
Car towed in, no start..low fuel pressure, 10-20 psi..Power to fuel pump good, fuel in tank ok...Power to pump comes on when engine cranking, stays on a few seconds when key released...normal...I can hear the pump, sounds noisy to me... Question: is there a se...
1996 Pontiac Sunfire SE 2.4L Temperature gauge VIN: 4G2JB32TXT
Just replaced the radiator, cooling fan, thermostat, hoses, flushed the system and filled with Dexcool to 50% concentration. After 15-20 minutes in stop and go traffic the temperature gauge goes to about the point. Gauge has a red zone and yellow zone but it...
2009 Toyota Corolla XLE 1.8L A/C Compressor VIN: 1NXBU40E79
This Corolla came in with a no A/C complaint. I am, usually, pretty good with A/C problems but, I am not familiar with this type of system. There is no clutch relay. There is a solenoid on the back of the Compressor that, I assume, is Pulse Width Modulated fro...

Fixes & Summaries for All Makes and Models
Fix/Summary Answers
2006 BMW 325xi 3.0L Transmission ECU VIN: WBAVD13576
Thanks for every ones input, I started looking at the engine grounds & found someone had recently replaced the valve cover gasket. They forgot to attach the ground wire coming from the right strut tower & left the bolt loose at the grounding point on the valv...
2005 Ford F-250 Super Duty XL 5.4L Timing chain VIN: 1FTNF21515
Thank you gentleman for your insight on this 3 valve motor. I just got company approval to install a Mellon oil pump. I will perform an oil pressure test after I button it up. I will write back my findings.
2005 Mini Cooper 1.6L Unknown VIN: WMWRC33495
Thank you for all the replies. We check the fuel trim, O2 reading, perform vacuum test & crankcase vacuum test again. All within spec even when the problem happen. The only thing we notice is when problem happen, engine tone change & felt like clogged exhaust....
2007 Nissan Frontier SE 4.0L Limp mode VIN: 1N6AD07W17
You were absolutely correct. The supplier sent me a used TCM and reman valve body. Had to replace entire unit with OEM. I was able to flash it and get on with my life. Thanks for the input!
2004 Porsche Cayenne 3.2L MIL Lamp on VIN: WP1AB29P54
We end up remove both side intake camshaft & compare the difference. Bingo - Right side camshaft oil hole passage has been twist.(This intake camshaft has two layer, inside layer is the oil supply [...] the intake cam adjuster for timing advance) Thank you again ... Trouble codes: P0011 (Camshaft position timing over advanced Bank 1), P0021 (Camshaft postion timing over advance Bank 2).
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