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Prev Professional Automotive Repair Technical Discussions for March 17, 2020
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Open Help Requests for All Makes and Models
Help Request Answers
2009 Audi A4 Quattro 2.0L alternator VIN: WAUGF78K69
Koer voltage at alt output terminal is 15 volts. Voltage at battery is 12.7. Voltage at jump start post is 13.6. No voltage on l terminal.(violet/blue wire). No voltage on l terminal at alternator. Prodemand says that the battery monitoring control module ...
2008 Buick Enclave CXL 3.6L Misfire VIN: 5GAEV23718
Ok guys have this 08 buick 3.6 that jumped timing. replaced timing chains and pulled heads to make sure that no valves were bent. saw no valves bent at all but did replace valves on number five. replaced them and have a cylinder 5 misfire but code is mulip... Trouble codes: P0300
2004 Cadillac CTS 3.6L Misfire VIN: 1G6DM57744
Good morning everyone. I have a caddilac cts at my shop with a random misfire. pulled codes and got p0300 p0305 p0306. checked data and found very high misfire counts on both cylinder 5 and 6. We can get it to misfire all the time in the shop. at idle it w... Trouble codes: P0300 (random misfire), P0305 (Cylinder 5 misfire), P0306 (Cylinder 6 misfire)
1992 Chevrolet LLV 2.5L instrument panel lights VIN: 1GBCS10A5N
Stuck pulling my hair out here. Mail truck came in for an inspection, found the running lights being turned on are blowing the instrument panel fuse. Replaced the headlight switch, still happening. replaced the super flasher, still happening. Currently hav...
1995 Dodge Ram 3500 8.0L Mechanical VIN: 3B7MC33W7S
Hello and thanks for reading. Have the v10 in here for motor mounts and while the book says 1.0 each, we cant seem to figure out how to take the right side(passenger side) mount out...left is done. When lifting motor up and left side undone the intake hits...
2016 Ford F-150 XLT 2.7L wipers/rcm VIN: 1FTEW1EP7G
Hello Techs,After chasing codes and replacing sccm found burned harness to rcm pin connected to left front crash sensor.Upon tracing wiring found harness rubbed through under fan assembly making contact with rad support.Vehicle now needs 14401 interior har...
2008 GMC Canyon SLT 3.7L No Start, Cuts out, Stall VIN: 1GTDT43E18
installed new motor now will not idle when warmed up runs fine cold as its warming up fuel trims good pressure good at 60psi no misfires show on scanner it is a tech 2 btw did idle relearn and cam crank relearn and clean throttle body has new PCM also smok... Trouble codes: P0017
2011 Honda CR-V EX 2.4L brake pressure VIN: 5J6RE4H50B
brake system getting air from somewhere ? seems to be only in right frt brake
2012 Jeep Grand Cherokee Laredo 5.7L MIL Lamp on VIN: 1C4RJFAT0C
Short and sweet. Got this '12 Grand Cherokee 5.7. Came in no throttle response. Idle fine, died out when pushing gas pedal.Map sensor read correct voltage but showed 50 inches hg vacuum at idle. Shop got used unit out of '13 Grand Cherokee and car runs gre... Trouble codes: P0335 (Crank Sensor Circuit)
2003 Mercury Mountaineer 4.0L Chain guide VIN: 4M2ZU86K93
Removed the right valve cover, initially only to replace the leaking gasket. Vehicle ran okay w/o any noise complaints. Once removed, find the right rear upper chain guide is missing. It had broken off and can be seen laying under the back side of the chai...
2003 Mini Cooper S 1.6L No Start VIN: WMWRE33443
Hi everyone thanks for your time. 2003 cooper. Vehicled was towed in for not start. We tested fuel pressure and would not hold pressure. Tested electrical and relay. Found not problems so replaced fuel pump. We do not work on a lot of Mini's but is ther...
1997 Pontiac Sunfire SE 2.2L Starter Nose Breaking VIN: 1G2JB124XV
Customer called in with complaint of grinding when cranking. Vehicle got towed in. Found starter nose cone broken. Looked at flexplate and it has wear but nothing we thought abnormal so we replaced starter with aftermarket reman. Sent vehicle down the road...
2010 Volkswagen Tiguan S 2.0L No Start, Poor Idle Quality, Hesitation, Stall, Misfire, MIL Lamp on VIN: WVGAV7AX8A
Hello all. had this vw towed in the other day. would not start, crank and die. walked out in the parking lot with my solus ultra, had no communication. push the car inside , and i put the modis ultra on it, i now have communication. i had codes p0016 p2004... Trouble codes: P0016 (cam crank correlation), P2004 (imrc), P2015 (p0087-), P0087

Fixes & Summaries for All Makes and Models
Fix/Summary Answers
1998 Dodge Ram 1500 ST 5.2L Braking VIN: 3B7HF12Y3W
Oh do I feel Dumb. The Master Cylinder "O" Ring seat had a gouge in it large enough to create a vacuum leak to the Booster. New Master Cylinder and all is well. Thank You everyone for your Input.
2015 Ford F-550 Super Duty XLT 6.7L Reduced power mode VIN: 1FDUF5HT9F
Truck has not acted up since unplugged rear AC from OBD2 port. Will update more if we find out anything new.
2016 Ford Police Interceptor Sedan 3.7L Misfire VIN: 1FAHP2MK3G
Thank you to all that replied. I tore down the top of the motor to check timing and found it to be inline. I noticed the oil tube that are bolted to the tops of the cam towers were loose. Reassembled top end and replaced plugs they were OE. All is good now. Trouble codes: P0300 (p0303-), P0303 (p0304-), P0304 (p0306-), P0306 (p0316-), P0316.
2010 GMC Acadia SLT 3.6L timing noise VIN: 1GKLVNED9A
Thank You every one for the responses especially Sam. I removed cam covers and used a wrench on the cams and found left bank intake cam actuator not locking allowing the actuator to rattle until oil pressure rose.
2010 GMC Terrain SLE 3.0L Cam advance exhaust bank 2 VIN: 2CTFLEEY9A
After talking with the car dealer's mechanic that worked on the vehicle at 98K. He had replaced chains, tensioners, guides, and seals for the timing chains. Since it has been 15K since that work, I chose to only replace the exhaust cam gear ( actuator ) . I...
2006 Hyundai Santa Fe GLS 3.5L Dash And Heat Control Lights VIN: KM8SC73E86
It was a combination of fuse box cleaning ground behind passenger kick panel and heat controls, It got less frequent after the ground was cleaned but didn't go away till fuse box and controller were replaced.
2008 Hyundai Accent GLS 1.6L altenator VIN: KMHCN46C28
2006 Jeep Commander Limited 5.7L Tpms VIN: 1J8HG582X6
Well this one is fixed, David [...] was correct,the O.E. sensors were weak,not sure if it was more then one because I just took the wheels off another jeep we had and the problem went away. Thought we were doing better going with O.E. sensors but these are g...
2003 Mitsubishi Montero Limited 3.8L Poor Fuel Economy VIN: JA4NW51S13
I like Charlie's idea of using Oilite bushings and think this is probably the most robust solution. However, I ended up buying a buying a Kia surge tank for $70 to harvest the bushings from it. Looking at it though, and disassembling the original Mits. one I...
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