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Prev Professional Automotive Repair Technical Discussions for February 5, 2021
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Open Help Requests for All Makes and Models
Help Request Answers
2000 Chevrolet Astro 4.3L Monitor Incomplete VIN: 1GNDM19W9Y
Good morning all. This Astro van will not complete o2 heater monitor. New sensors and 175 miles over one week. All other monitors complete. Key on engine off they all drop down to around 50 millivolts. IAT and ECT always within a couple degrees of each oth...
2009 Chevrolet Uplander LS 3.9L Keyless entry fob VIN: 1GNDU23149
Good morning everyone. I hope someone has encountered my problem before and can help. I can't seem to get the keyless remote to program to the vehicle. Have tried the vehicles key on key off procedure repeatedly and also Using the snap on Solus Ultra ( wit...
2009 Chevrolet Suburban 1500 LT 5.3L monitors VIN: 1GNFK26329
Have trouble running oxygen Heater monitor- and evap monitor to pass state emission test- cat, o2 and continuous monitors all run and pass- no codes. Any info or experience on this would be appreciated.
2016 Chevrolet Silverado 3500 HD LT 6.0L Misfire, MIL Lamp on VIN: 1GB3CZCG4G
Good Morning All: This is a random and occasional problem that seems to have a greater propensity to occur on cold start (50-70 degrees ambient). Soon after start up the CEL will illuminate and then start to flash, obvious miss fires. Engine runs poor, ... Trouble codes: P0449 (Evap Vent Solenoid Control Circuit), P0175 (Fuel Trim Sys Rich Bank 2), P0157 (HO2S Circuit Low Voltage Bank 2 sensor 2), P0152 (HO2S Circuit High Voltage Bank 2 sensor 1), P0137 (HO2S Circuit Low Voltage Bank 1 Sensor 2), P0132 (HO2S Circuit High Voltage Bank 1 Sensor 1)
2015 Dodge Journey Limited 3.6L MIL Lamp on VIN: 3C4PPDGG3F
Hi. I have some difficulties with this vehicle. originally, REPLACED B1S1 AND B2S1 O2 SENSORS, REPLACED THERMOSTAT, REPLACED ENGINE OIL COOLER that comes with a OEM oil pressure switch. Now, we have an intermitent MIL with code P0520 (oil pressure sensor c... Trouble codes: P0520 (Oil pressure sensor circuit)
2014 GMC Sierra 1500 SLE 4.3L Poor Idle Quality, VIN: 1GTN1TEH4E
Hello guys, thanks for reading my post I have this GMC Sierra 4.3 that has an engine vibration at idle. The vibration gets worst sometimes when you are at the traffic light. I don't have much information about this truck because this is a new customer. I f...
2015 GMC Sierra 1500 SLE 5.3L headlights VIN: 3GTU2UECXF
Good evening everyone i just bought this truck about a month ago [this is my personal truck] I noticed at night the headlights arent very bright so i replaced the bulbs with phillips crystal vision headlight bulbs and they are still not real great.I forgot...
2012 Honda Pilot EX-L 3.5L Misfire VIN: 5FNYF4H56C
This Honda Pilot came to us after being at another shop. It will run perfectly for a while and then cylinder 5 (front center cylinder on 3.5 liter engine) will misfire and it goes into limp mode where it barely has any power. Shut it off and restart it, an... Trouble codes: P0305 (Misfire cylinder 5)
1997 Jeep Wrangler Sport 4.0L engine VIN: 1J4FY19S5V
hello all, vehicle towed in with hole block, a used engine was sold, installed, started right up no problem at all, kept vehicle a couple of days and driven until engine aparently blew head gasket/burning antifreeze so customer opted for a new reman engine...
2008 Kia Optima LX 2.4L Charging VIN: KNAGE12378
Check engine light on-no codes. Engine cranked slow-battery drained. Installed new battery for testing charging system. Charging system test at battery 80 amps but only 12.6 volts. Voltage only increases to 12.8 at [...] during charging system load. We ...
2016 Nissan Versa 1.6 SV 1.6L Excessive Emissions, Poor Idle Quality, Hesitation, Surge, MIL Lamp on VIN: 3N1CN7AP7G
Customer picked his Sentra up from being shipped from Hawaii. it took 6 weeks to get here. It was running normally in HI. Now after it warms up & goes into closed loop, it loses power,runs & idles rough.The only code it sets is p0300 multi misfires.Fuel tr... Trouble codes: P0300
2007 Subaru Outback 2.5i Limited 2.5L MIL Lamp on VIN: 4S4BP62C77
Car sets p0600 , p0700 in ECM and p1718 in TCM also C0140 in ABS DLC pins 6 & 14 60 ohms I can communicate with ABS, TCM, ECM, INTEG/BCM MODULE Cannot communicate with Inst cluster. I scoped the CAN at the TCM plus ECM the signal is crazy, I di... Trouble codes: C0140 (Can), P0600 (Can), P0700 (Can)
2011 Subaru Outback 2.5i 2.5L MIL Lamp on VIN: 4S4BRBACXB
What should be an easy one for you Subagurus. Got this 2011 Outback 2.5 that the check engine light flashes and cooling fans cycle KOEO. Engine running, check engine light is on with no codes. This symptom fits to a tee the green diagnostic connectors bein...
2002 Toyota Camry SE 2.4L Misfire, Misfire VIN: JTDBE32K62
Good morning ! we have this car come in check engine flashing code po301 misfire number 1 only . we remove spark plug and find it wet look like injector dumping a lot of gas . we put new spark plug . car running good ! however when we look at the misfire d... Trouble codes: P0301
2004 Toyota Highlander 3.3L Turn Signal-Brake lights VIN: JTEEP21A24
So here's one that has me beating my head against the wall. Vehicle came in with no parking lights. Hazards and Turn Signals wouldn't work. VSC, ABS, and Brake light indicators on dash illuminated along with flashing TPMS light. Codes C1223 & C1249 in ABS/...
2016 Volvo XC90 T6 Momentum 2.0L Vehicle Connectivity Module VIN: YV4A22PK5G
Codes U122B11 and U122C11 are being set in the Vehicle Connectivity Module. These codes indicate a short to ground in both the BM and BP wires respectively. In vehicle active modes no codes are set and Flexray appears to be communicating normally. The code...

Fixes & Summaries for All Makes and Models
Fix/Summary Answers
2015 Ford Police Interceptor Utility 3.7L Engine Revs VIN: 1FM5K8AR6F
The car has not been acting up lately. The replies I got was to check the charging system. I did check the alternator for voltage and a/c spikes but did not find any problems. The car has one main driver. He has a friend that repairs police cars for one of the...
2015 Ford Transit-350 XL 3.7L MIL Lamp on VIN: 1FBZX2CM3F
I would like to thank everybody for all of your help. Was a 2 part problem. Rear o2 was bad and would stay at .06 to .14 maybe a little a higher depending on rpm. It would always drop back super quick. Have had issues with sensors going bad like that before on... Trouble codes: P0420.
2011 Honda Accord EX-L 2.4L turn signals headlight, and wipers VIN: 1HGCP2F85B
Unfortunately I was never able to duplicate the problem. I did confirm that the windshield was not replaced, and the sunroof drains are not clogged. If it returns, I will follow up in a comment. Thanks for all the suggestions, as always, I appreciate you all
2016 Jeep Cherokee Latitude 2.4L 4wd VIN: 1C4PJMCB3G
Thank you very much for the replies! Replacing the PTU fixed the problem. I still could not see what was wrong with the old one, but it just as long as it's repaired.
2017 Jeep Grand Cherokee Limited 3.6L Electronic VIN: 1C4RJFCG3H
Afternoon, What ended up happening was we installed another transmission and had it programed. Put about twenty miles on it with no issues. Switching the valve body did nothing but make things worse. Thanks for all your help, Steve [...]
2015 Mercedes-Benz ML250 Bluetec 4Matic 2.1L MIL Lamp on VIN: 4JGDA0EB6F
many thanks to Justin in Canada,he was the only reply i received.it seems very hard to get info on this suv'even my tech support had very little info.since i had fist to codes on nox sensor;i replaced it and recoded it;after cycle ran much better no loss of po... Trouble codes: P229F, P200A.
2002 Volkswagen Beetle GLS 2.0L security code VIN: 3VWCK21C32
thanks everyone for the input. Turns out VW changed their procedures, I had to bring it to the dealer, for $72.50, 1/2 hour labor they were able to unlock it.
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