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Prev Professional Automotive Repair Technical Discussions for November 30, 2017
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Open Help Requests for Asian
Help Request Answers
2006 Hyundai Tucson GLS 2.7L MIL Lamp on VIN: KM8JN12D96
Vehicle came in with check eng light on, with code p0174 system to lean bank 2. We checked for vacuum leaks and found none, no high idle, no ruff idle or misfire jus the light is on. Cleared code and test drove a few miles and check eng light came back. Th... Trouble codes: P0174
1997 Mazda B2300 2.3L Poor Idle Quality VIN: 4F4CR12A5V
This truck for as long as I have known since it has been coming into my shop has always had a knarly idle. Not really uncomfortable,very drivable, never stalls but with just a hint of misfire even though it does not show up on Mode 6 diagnostics. Fuel trim... Trouble codes: P0135 (H02 htr rh upstream)
2010 Mazda CX-7 Grand Touring 2.3L Cel VIN: JM3ER4W33A
Vehicle was bought at auction to resell. CEL was on with P0012 code, rattle at startup, and turbo leaking oil. Replaced turbo and necessary components. Following T-SB for related CEL code, replaced timing chain, VVT gear, guides, tensioner, crank bolt, and...
2013 Nissan Versa 1.6 SV 1.6L Transmission VIN: 3N1CN7AP3D
CVT trans. Sets code P0705. Has very hard engagement from rev to drive and check engine light is on. Trans has slight whine noise and does not always harsh engagement. Suspect more than just range sensor problem. Anyone had similar experience with this cod...
2009 Suzuki Swift+ 1.6L MIL Lamp on VIN: KL5TJ66E39
came back next day with light on again check heater circuit resistance and found it below spec again. we did reset the learned heater resistance for the upstream o2. the temp here is around 0c and we keep having the resistance come in below spec. we are us... Trouble codes: P0053
1998 Toyota Avalon XL 3.0L temp and mode VIN: 4T1BF18B8W
have this old avalon with automatic a/c. fan speeds work, compressor engages when commanded. however i have no mode operation-airflow only out the dash vents, and no temp control just cold air. did try a control head with no change. kind of a crazy system ...
2012 Toyota Tundra Limited 5.7L Poor Idle Quality, Misfire, MIL Lamp on VIN: 5TFBW5F11C
Got this Tundra that runs rough at idle and has very negative long term. B1S1 and B2S1 both do not fluctuate much at idle or highway--run around .9-1.00. B1S2 and B2S2 stay around .9 idle or down the highway but will drop to .1 when letting off the throttl... Trouble codes: P0172, P0175

Fixes & Summaries for Asian
Fix/Summary Answers
1996 Acura TL 2.5L Excessive Emissions, Poor Idle Quality, Hesitation, Poor Fuel Economy, Low power VIN: JH4UA2652T
FIXED!!! Bad ECM, for reasons unknown the Programming inside the ECM must have gotten corrupted or some component must have failed causing the overfueling condition. My guess is that before I got the car the alternator died in a catastrophic way and sent a vol... Trouble codes: P0301 (Cyl1 misfire), P0300 (Random/multiple cylinder misfire).
2006 Kia Optima LX 2.7L hard start when fuel VIN: KNAGE12416
Sorry for the wait on the fix post, I wanted to be certain that the car was fixed. Thanks to all who replied, It turned out to be as most said... the purge valve had debris in it from the original canister. I removed faulty purge valve, and disconnected purge ... Trouble codes: P0441, P2422.
2010 Mazda CX-7 Grand Touring 2.3L timing VIN: JM3ER4W33A
sorry for the confusion, I put KOEO by mistake. I meant to put KOER. The KOER self test set a pending p0012 code. I am going to rewrite this and repost. Again, sorry for the confusion.
2013 Mazda 3 Mazdaspeed 2.3L MIL Lamp on
Thanks everyone for it helps like I stated before the car never had an actual misfire I do have some secondary ignition waveforms and cam crank correlation and exhaust pulses waveform and also misfire counters never went up still don't know why the misfire c... Trouble codes: P0300.
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