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Prev Professional Automotive Repair Technical Discussions for October 18, 2017
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Open Help Requests for All Makes and Models
Help Request Answers
2005 Acura TL 3.2L Misfire VIN: 19UUA66265
This car idles and runs good until 3200rpm to 4000rpm with light to mid throttle, it will bog and check engine light will flash, main codes p0305,p0306 and random p0300, all ignition coils, spark plugs, fuel injectors, have been replaced, a valve adjustment wa... Trouble codes: P0305, P0306, P0300
1991 BMW 850i 5.0L calipers VIN: WBAEG2314M
Problem is either intermittent or related to the number of brake applications. All 4 calipers will not release after driving. Pressure releases after a few minutes in the shop or by opening bleeders. I have replaced the flow regulator and the hydrobooster(behi...
2008 BMW 128i 3.0L ESC traction control VIN: WBAUP73548
Vehicle concern is yellow triangle on dash illuminated and hesitation. Customer felt vehicle was loosing power. Yellow triangle was the DSC traction light. Traction coming on during light acceleration. NO trouble codes, all wheel speed sensors show proper whe...
2011 Buick Enclave CXL 3.6L Surge VIN: 5GAKVBED0B
This is my wife 19s car. I mostly work on Subaru 19s and therefore I don 19t see allot of GM 19s. Vehicle seems to surge under load at low engine RPM 1500-2200 rpm. Engine tack and scanner shows rpm fluctuating around 100 rpm. Surging goes away once vehicle ...
1999 Chevrolet Corvette 5.7L No Start VIN: 1G1YY22G2X
Corvette was towed in for no start and after determining starter and battery were fine, I called owner for some additional info. He said that after Hurricane Irma blew through Pasco County, Florida that his vette started to exhibit Poltergeist type symptoms. H...
2000 Chevrolet Malibu 3.1L Misfire VIN: 1G1ND52J3Y
The engine runs rough (misfire) at idle. Using the snap-on scanner, the #1 cylinder shows to be misfiring at idle. When I raise the engine rpm up, the misfire goes away. I performed a compression test and running compression test on #1 and #4 cylinders. 200 ps... Trouble codes: P0300, P1374 (3X reference circuit)
2007 Chevrolet Tahoe LTZ 5.3L 4wd VIN: 1GNEK13097
One for you GoddWrench boyz. Got this '07 Tahoe with rotary button to switch 4wd modes from 2WD-AWD-4WD HI-4WD LO. When you try to go to AWD or 4WD LO light on button flashes and it defaults to 2WD. 4WD HI works fine. Data on Tech2 shows everything fine except...
2005 Dodge Grand Caravan SE 3.3L hvac VIN: 1D4GP24R15
This fine vehicle came in today with the complaint of no heat drivers side; manual duel zone. Thought it might be a plugged heater, but after diag, found blend doors not moving. Noticed mode door was tricky to get to change air flow..Have RECIRC OVERCURRENT (A...
1998 Ford F-150 Lariat 4.6L MIL Lamp on VIN: 1FTZX1761W
Ran KOER test with vacuum gauge tee in, egr works, 6in of vacuum to the egr valve, engine runs rough during test, doesn't stall. Sets cdoe p1408 witch is KOER test failed for egr flow test failed, same as p0401. Went thru the pinpoint testing for this code and... Trouble codes: P0401 (Egr flow)
2001 Ford F-250 Super Duty XL 7.3L Poor Idle Quality, Cuts out VIN: 1FTNF21F31
Truck came in on the hook, customer had given up on trying to repair. When we got it in the batteries were toast. replaced batteries and truck started, and idle rough. Pulled codes and got the p0603, and p0605. I cleared and the p0605 returned immediately. Nee... Trouble codes: P0603, P0605
2016 GMC Sierra 1500 SLT 5.3L Drivers door VIN: 3GTU2EC4EG
hello fellow techs,this ones for the dealer techs as there isn't many newer vehicles in our shop with this problem yet.my personal truck.the drivers front window is acting up.when I use the auto up feature,the window will go up then back open.at first it would...
2006 Jaguar X-Type Sport 3.0L speedometer VIN: SAJWA51A96
both rear speed sensors do not read. the vehicle does register vehicle speed, both fronts work. my question is does the speedo work off of the rear speed sensors as the main input for the functioning of the speedometer. performed cluster sweep test and cluster...
2005 Lexus RX330 3.3L steering rack VIN: 2T2GA31U15
Replaced original rack due to leakage. After turning wheel several times to bleed, started vehicle to finish job. When trying to turn right, the power assist would overcome efforts and turn automatically to left until you let go of steering wheel. Would do the...
1978 Mercedes-Benz 450SLC 4.5L No Start VIN: 1070241202
Hi need some Mercedes assistance, thanks in advance. This car came in after sitting for 5-6 years without running. was able to get the car to run with the basic fresh fuel new battery exc. The car did not run well though. It also was hard to start and would no...
2001 Nissan Pathfinder LE 3.5L Alternator, Starter, Battery VIN: JN8DR09X61
This is an FYI on an already fixed vehicle. I had an 01 Nissan Pathfinder come in with intermittent starting and charging problems. The bottom line is the main ground for the engine is bolted to the passenger side water pipe and provides a very poor ground. Po...
2005 Nissan Murano S 3.5L both turn signals VIN: JN8AZ08T65
cannot figure out why turn signals flash twice as fast as hazard flashers. cut wires to turn signals to change resistance but still flashes fast. installed a headlight in line as a heavy load. still fast flash. hazards work perfect. flasher operation is all do...
2007 Pontiac Solstice GXP 2.0L water pump VIN: 1G2MG35X87
All data shows 4.5 hrs to change the water pump. I have never replaced a water pump on one of these but reading the directions it says to remove the motor mounts,cat. convertor,thermostat housing,and exhaust manifold ! if you look up these items separate it to...
2011 Ram 3500 Laramie 6.7L MIL Lamp on VIN: 3D73Y3CL9B
Truck intermittently sets code p0191. We first tried a reflash then released the truck to the costumer code reset after about a week then we replaced the sensor and fuel filter after that it lasted about a month. We have spent a lot of time road testing the tr... Trouble codes: P0191
2012 Toyota Camry XLE 2.5L heater VIN: 4T1BF1FK5C
Vehicle came in with complaint of AC not working, checked pressures-good (40/175) outlet air temp at center vents- 38 deg.F Switch to full hot-no heat. Code in module-B1441 -air damper servo. Replaced servo, verified alignment and still have no hot air. Evap t...

Fixes & Summaries for All Makes and Models
Fix/Summary Answers
2008 BMW 328xi 3.0L DSC Light VIN: WBAWC33568
everyone that replied, thankyou so much, everyone was on point with the tires. had another set of bmw wheels around the shop that were the exact 225-45-17 and swapped them on and sure enough problem resolved its self. i had never experienced a dsc system that ...
2010 BMW 528i 3.0L MIL Lamp on, lean run VIN: WBANU5C56A
so after everything new O2 sensors (4) new plugs, new valve cover the only code coming back is P2096. At this point I suspect the car needs a cat due to the 171k it has. But customer want to try sea foam if not a cat. Trouble codes: P2096 (p2196-), P2196 (p2207-), P2207 (p2198-), P2198.
2000 Chevrolet Silverado 1500 4.3L No Start VIN: 1GCEK14W7Y
Check powers and grounds, not seeing ecm grounding coil. Talking to cust. he my take to gm dealer. My run this one by identifix teck line if cust. will spend the money.thanks for all the help
2003 Ford F-150 Lariat 5.4L Fuel pump relay,no noid,no ckp or cmp signal VIN: 1FTRW08L43
Here is the fix guys,believe it or not. I removed the PCM that someone else had installed in order to relocate it under the hood to make it easier to backprobe.When I tightened the bolt I noticed the harness would slide in and out.I then pushed the harness all...
2006 Ford Freestar SE 3.9L Misfire VIN: 2FMZA51666
thanks to all that replied. What ended up being the issue was the miss was light and would not set a ses lite or code for miss. I did a running compression test and it was lower than the cylinder next to it. I then did a leak down test and found 50% leakage pa...
2013 Ford Escape SEL 1.6L Hesitation, Surge VIN: 1FMCU0HX3D
Thanks for all of the responses. It was the high pressure fuel pump. Trouble codes: P0003 (Fuel volume regulator circuit low).
2006 Land Rover LR3 HSE 4.4L Starting VIN: SALAG25426
After a week,I still could not get the starter to not engage.Very helpful replies.Most common are the starter itself,also to do a voltage drop on hot and ground sides.If you get the hazard lights flashing accompanied by 2 clicks it is a comm issue.trouble code...
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