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Prev Professional Automotive Repair Technical Discussions for March 18, 2021
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Open Help Requests for All Makes and Models
Help Request Answers
2013 Dodge Avenger SXT 2.4L Poor Idle Quality, Misfire, MIL Lamp on VIN: 1C3CDZCB5D
Car came in your shop with a coolant leak, cust. said after we fix the coolant leak check it for missing may need plugs. T-stat housing cracked, replaced housing filled cooling system and re-checked. When we started engine had what seemed to be dead miss o... Trouble codes: P0300
2015 Ford F-150 Lariat 3.5L Poor Idle Quality, Surge, Stall VIN: 1FTEW1EG0F
Vehicle is in now because the customer states it has poor performance and is unresponsive at times. According to him it is less noticeable in 4wd. During my test drive I did notice a slow response when initially accelerating but im it sure if that normal t...
2015 Ford Escape SE 1.6L Poor Idle Quality, Surge VIN: 1FMCU0GX9F
Ok guys I have a fun one. 15 Escape 1.6 Turbo. After replacing the automatic transmission with aftermarket unit(programmed shift solenoid strategy with IDS), tune-up, and new timing belt, the engine will surge at idle at times. When monitoring PIDS only th...
2002 GMC Yukon SLE 5.3L Auxiliary (rear) AC VIN: 1GKEK13T82
Service information discusses KDD communication between front control and rear auxiliary control module.HVAC (main) control module communicates on the class 2 bus. I have looked high and low and could not find any info on this communication protocol. I fou...
2010 Jeep Wrangler Unlimited Sahara 3.8L No Start VIN: 1J4BA5H12A
Got this 2010 Wrangler Sahara 3.8. Shop replaced engine with dealer reman and have a no start with a P0340 code. It spits and pops and kicks back on the starter when cranking and acts like it almost wants to crank. I scoped the cam/crank sensor correlation... Trouble codes: P0340 (camsahft sensor circuit)
2011 Jeep Grand Cherokee Laredo 3.6L MIL Lamp on VIN: 1J4RR4GG9B
Car came in with check engine lite complaint, scanned got 2 codes p0390,p0394, checked data on scanner all good,cleared codes, let car sit for a while after restart there was a very distinct engine noise(rattle like a ford 5.4 phaser)for a very short time ... Trouble codes: P0394, P0394
2008 Subaru Impreza 2.5i 2.5L Hesitation VIN: JF1GE616X8
Okay, this Subaru has had several issues that have proven very difficult to troubleshoot and has gotten progressively worse and worse as far as driving ability. Recently the vehicle performed very poorly over a long road trip, with complaints of surging,... Trouble codes: P0171 (System Too Lean Bank 1), P1153 (HO2S11 Sensor Circuit Range/Performance High)
2010 Subaru Forester X Premium 2.5L No Start, Stall VIN: JF2SH6CCXA
remanned engine install.cranks, no start has fuel no spark. 2 new crankshaft sensors, ignition coil fixed starting problems, came back dead. Got car started and came back and since then crank no start no spark. checked harness wiring,found broken wire to c...
2010 Toyota Highlander SE 3.5L No Start, Long crank VIN: 5TDJK3EH5A
This highlander come to us with a concern that it would not start or has a long crank randomly. The most common thing that will happen is if you start the car and let it run for 5 mins. Then turn it off and try to restart it, it will not start for 2-3 time... Trouble codes: P0300 (Random misfire), P0305 (Cylinder 5 misfire), P0306 (Cylinder 6 misfire)

Fixes & Summaries for All Makes and Models
Fix/Summary Answers
2011 Buick Regal CXL 2.4L heater VIN: W04GN5ECXB
Thanks for the responses...all were on the money. The water pump timing chain broke and there is an extended warranty covering this problem but this poor guy was 3 months out.
2016 Ford Fusion SE 1.5L No Start VIN: 1FA6P0HD0G
This one is fixed. Its turns out that coil side of the fuel pump relay had excessive resistance (position R42 in the underhood fuse box). This relay is controlled by the BCM. BCM Scan data looked ok as fuel system showed enabled. I found it by playing swap-... Trouble codes: P025A.
2003 Honda CR-V EX 2.4L Radio VIN: SHSRD78893
Thank you for all of the replies. I ended up getting a new aftermarket stereo. The first one with the zero in the code was from a car with navigation. The unlock code, as I understand it, needs to be run through the navigation system which has a choice o...
2016 Kia Forte EX 2.0L MIL Lamp on VIN: KNAFX4A6G5
I decided to run the vin on this vehicle and found it has a salvage title on it. That along with the fact that Ty [...] a master Kia tech informed me you may need a Kia scanner to reset the throttle body after replacing it made me tell the owner the best t... Trouble codes: P0638 (Throttle Actuator Control Range Performance).
1999 Toyota Tacoma 2.4L MIL Lamp on VIN: 4TANL42N6X
Yes, It is fixed. I guess the secret is to test all the components 8,653 times because if you only test them 8,652 times it makes you chase your tail. It was the VSV even though it ohmed good and clicked on and off that does not mean it was actually working. W... Trouble codes: P0401 (EGR Flow Insufficient).
2007 Volkswagen Touareg 4.2L Starting VIN: WVGMB77L57
Thanks for all the advice.I couldn't find any wiring problems,no corrosion or wet areas.I unhooked battery negative cable from floorboard in front of driver's seat for 30 minutes.After hooking battery ground cable back up vehicle started ok and I had communica...
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