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International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for February 15, 2021
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Open Help Requests for All Makes and Models
Help Request Answers
1998 Chevrolet Camaro 3.8L Misfire VIN: 2G1FP22K5W
Ok guys I'm at the end of my rope with this one, came to me with a miss on #3 and 6 cylinder preventing it from passing inspection. Found no spark from the one coil, replaced it and now have spark but the miss remains on #3 cylinder. Customer wanted new pl... Trouble codes: P0303, P0303
2011 Chevrolet Equinox LTZ 2.4L heater control VIN: 2CNFLGEC2B
Hi Chevy techs, We got this Equinox for overheating and traced problem to broken balance shaft/water pump chain. Vehicle was out of factory recall warranty by 4 months. We replaced both timing chain sets and water pump. No more overheating but when doin...
2012 Chevrolet Colorado LT 3.7L Low Oil pressure VIN: 1GCHTCFE1C
This 2012 Colorado 3.7 came in with the complaint of low oil pressure at hot idle. It was also noisy at hot idle and had code P017, and P014 (like another Colorado 3.7 we have here) The oil wasn't clean (not bad but not like new and seems like a heavy oil)...
2012 Chevrolet Silverado 1500 LT 5.3L Hesitation, Surge, Cuts out, MIL Lamp on VIN: 1GCRKSE70C
This truck has no power at all and doesn't want to rev above 2500 rpms under load, such as going up a steep grade. Keeps setting P0101 and P2635 codes, have checked fuel pressure both engine off (57 psi) , at idle and while driving, fuel pressure stays pre... Trouble codes: P0101 (Mass Air Flow Sensor Signal Performance), P0172 (Fuel System Rich Bank 1), P0175 (Fuel System Rich Bank 2), P2635 (Fuel Pump Flow Performance)
2015 Jeep Cherokee Trailhawk 3.2L key switch VIN: 1C4PJMBS6F
Was three time intermittent no crank no start. It lets the key twist, but does nothing. It worked for the customer a couple more times then would not restart at the gas station. Doesn't die. I have both keys that work to unlock/lock the doors and twist in ...
1983 Other Asian i30 1.8L Poor Idle Quality VIN: KMHD251EMD
2013 Hyundai i30 1.8 Petrol 62K kilometers Hard to start and rough idle, Smooth at high RPM, CVVT Solenoids clicking in response to scanner activation tests, physically removed and found to be clean and plunger moves freely when direct 12V is applied. Ca... Trouble codes: P0014 (testing and results)
2016 Subaru Outback 3.6R Limited 3.6L Unknown VIN: 4S4BSENC9G
The vehicle has an intermittent squeal. Sounds exactly like a drive belt. Does not seem to be related to engine load and or RPM. The noise only lasts for a few seconds. The belt has been replaced and the tensioner looks good. On the 3.6L, the only items th...
2014 Volkswagen Tiguan Trendline 2.0L MIL Lamp on VIN: WVGJV3AX8E
This car is owned by a friend of mine who has asked for my help, the only symptom is the engine light comes on at idle when cold started sometimes. When I worked at the vw dealer we were told to replace injectors and clean the carbon out of the intake port... Trouble codes: P0300, P0301, P0303, P0304, P2188

Fixes & Summaries for All Makes and Models
Fix/Summary Answers
1998 Ford Econoline Super Duty Custom 6.8L Misfire, MIL Lamp on VIN: 1FDXE40S7W
I took Glenn, Ken and Gilberts advice and tried the relative compression test. I was using a vetronix MTS 5100 scope and A CA60 amp clamp set on 10ma. I also put a trigger wire on #1 coil. Had it on 2 volt scale and 2 sec time. When pattern came up I couldn't ... Trouble codes: P0401 (Egr flow), P0302, 4, 8, 9 (Misfire).
2003 Ford Mustang 3.8L MIL Lamp on VIN: 1FAFP40463
Well, i have to own this one. After scratching my head during the weekend i decided to go back and drop the tank one more time and...two things: the pump wasn't a Motorcraft, it was an Airtex, but the problem was that i crushed the ground wire during installat... Trouble codes: P1237.
2012 Subaru Outback 2.5i 2.5L MIL Lamp on VIN: 4S4BRBAC8C
Thank you everybody, for the replies, most all of you agreed the booster was the problem, ..and yes it would not leak under smoke pressure but it did leak vacuum, fuel learning and correction never went below or above 5 after booster replacement..Thank you aga... Trouble codes: P0171 (Lean bank 1).
2007 Toyota Camry XLE 3.5L Mechanical VIN: 4T1BK46KX7
First let me say thank you to all , 2 of you mentioned the filter and after checking the oil pressure I took out the filter and BINGO it had collapsed ( for lack of a better word) . Installed new filter and Allset thanx again!
2016 Volvo XC90 T6 Momentum 2.0L Vehicle Connectivity Module VIN: YV4A22PK5G
Update: Vehicle was totaled by insurance, we are a salvage operation that repairs totaled vehicles. Upon commenters' recommendations, went back over all connections and grounds in floor harness. Performed voltage drop and resistance tests from modules' grou...
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