Automotive Technicians Technical Discussion and Fixes for Mar 21, 2017

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	Help Request	Answers
	2008 Acura TL 3.2L No Compression on back Bank VIN: 19UUA66268 Customer brought vehicle in originally because it started to run rough on the freeway. Check Engine light illuminated, went into limp mode, and shut off. Had towed to shop. We found all engine misfire codes present. Crank no start. No spark, found ignition fu...	View
	2012 Audi A4 Quattro 2.0L oil VIN: WAUBFAFL0C Customer had oil added message did not clear, Customer replaced engine oil level sensor, message did not clear, dove past 40 miles message did not clear, checked with VAG actual level sensor reading during warm up at 75mm oil warning threshold 40mm after drivi...	View
	2013 Audi A4 2.0L Compressor VIN: WAUAFAFL6D Hello friends, need a little help with this one. Compressor not working. Scanned all systems and found DTC 457 and 256. Check the pressure transducer sensor G359, disconnect the connector , pin 1 has ground, pin 3 has 12 volts and pin 2 has 8 volts I replace t...	View
	1999 BMW 528i 2.8L K-Bus VIN: WBADM6330X Hi Guys and Gals. Looking to see if anyone has run into this problem before? E39 won't communicate with anything on the K-Bus as long as 15 is turned on, as soon as terminal R is energized only, everyone is happy on the Bus! Testing revealed, R stays on when ...	View
	2006 BMW 325xi 3.0L MIL Lamp on VIN: WBAVT13546 Good afternoon techs. Thanks in advance for any help. This BMW is kicking my ass. Used to many lean running codes, but not sure where else to go with both banks too rich. Fuel pressure spec according to ALLdata is 5 bar +/-.02, Approx 72.5 psi. I can't believe... Trouble codes: 2A2FP, 2A2EP	View
	2005 Buick LaCrosse CX 3.8L Tail Light VIN: 2G4WC53235 Trying to gather information before proceeding. the 2005 Lacrosse will have the tail lights stay on after the key is removed and headlights stay on, we have not had this happen when vehicle was in the shop for oil service. All modules have been scanned and no ...	View
	2011 Buick LaCrosse CXL 3.6L Poor Idle Quality, Misfire, MIL Lamp on VIN: 1G4GC5ED6B This Buick has been a headache. Used car lot, my boss just sold this car. While we put good mileage on it prior to listing it for sale, it only acted up when somebody went to buy it. Misfired when they started it to test drive. Could not duplicate after that, ... Trouble codes: P0300 (Random Misfire), P0303 (Misfire 3), P0305 (Misfire 5), P0306 (Misfire 6)	View
	2009 Chevrolet Impala LT 3.5L Lf Wheel Speed Sensor Ckt VIN: 2G1WT57K49 In november i replaced a lf lower control arm on this chevy. Monday morning after install customer comes in complaining of an interment abs light and false activation. Code C0035 was retrived from the ebcm. An open ckt was found in the sensor sub harness that ...	View
	2008 Dodge Ram 2500 SLT 6.7L intermittently VIN: 3D7KS28A08 checking pcm and tcm for most up to date program using witech .This is my question have a chose of two programs [...] for pcm. How do I tell which program to use ,the motor does not have a id plate that I can find. Went threw all tsb that I ...	View
	2002 Ford F-350 Super Duty XL 6.8L Excessive Emissions, Poor Idle Quality, Surge VIN: 1FDWX37S32 veh. surges improves as rpm increases .this is a truck that the last motor blew up in all parts have been cleaned and inspected every thing looks good	View
	2005 Ford F-350 Super Duty King Ranch 6.0L No Start VIN: 1FTWW31P45 truck came in for dying on road and no start when hot. I pulled ipr first-had dirt on screen and a puncture in the screen. replaced it and road test. icp act. did not meet icp des. by about 500psi low on hard accell and ipr was at 85%. I brought it into the s... Trouble codes: P2290	View
	2010 Ford F-150 FX4 5.4L Stall, Goes into limp mode VIN: 1FTFW1EV9A This truck only acts up when the roads are wet, any other time it is fine. It will go into limp mode with a no communication message. Customer said if he pulls to side of road and shuts it of a few seconds and starts back up it runs fine again. But this last t...	View
	2013 Ford Escape S 2.5L highbeams VIN: 1FMCU0F75D The car came with high beams not shutting off.Replaced bcm and reprogram and while programming it kept saying wrong vin, when i tried to configure it wouldnt let me.i programmed key and all lights and everything worked well...customer came back next day with a...	View
	2013 Ford F-150 STX 3.7L HVAC control module VIN: 1FTMF1CM4D Vehicle came in with HVAC controls inop after approx. 5min of use on startup. HVAC is manual system. After sitting overnight module would function again next morning for another few min. Multiple modules showing lost comm with HVAC module. All power and ground...	View
	2003 Honda Civic DX 1.7L No Start VIN: 2HGES16133 car came in towed with no key, Car had been parked by family member 1 year ago, no known repair history. from Alldata immobilizer description immobilizer only effects fuel pump relay. I can crank car over with ignition but i know immobilizer system isn't getti...	View
	1997 Infiniti Q45 4.1L Starting VIN: JNKBY31D4V Hello Techs. I need help on 97 Infiniti Q45, first I discover Code P1705 which is Thottle Position Switch, by vehicle owner complain stall out after 15 min driving, than it wouldn't start back up not until 20-25 min, sometime start up and stall out right away....	View
	2007 Kia Rondo LX 2.7L MIL Lamp on VIN: KNAFG52607 This is a regular customer's car that I see often. Over the past 6-8 months he started logging O2 sensor codes without any symptoms. Because of tight finances, he has opted to forgo repair. Now I am beginning to worry a bit about where this is going. I usually... Trouble codes: P2A00, P2A03, P0157 (B2S2 Circuit low voltage history)	View
	2007 Lexus LS460 4.6L No check engine light VIN: JTHBL46F17 Another one from used car dealer came with no start . Check All fuses all good .At this point fun starts I'm using Autel Elite and there no communication with ECM U0100 also no check engine light, power and ground at ECM good , scope CAN Also good , order used...	View
	2003 Lincoln Aviator 4.6L Transfercase VIN: 5LMEU78H63 Vehicle came in with front differential locked.It is AWD. I can't access any info with the scanner.Not sure if it has a control module for this type.It doesn't have any buttons on the dash and you cant access it through the message center.Thanks in advance	View
	1989 Mazda B2600 LX 2.6L Surge VIN: JM2UF6145K Hello guys i really need your help on this one, the complaint with this vehicle is that it will not go over 25mph, it idles smooth but vehicle has no power under load. While driving the vehicle on the dynamometer and inducing propane to the intake manifold i w...	View
	2005 Mercedes-Benz E55 AMG 5.5L Starter VIN: WDBUF76J45 Hello everyone, We have a Mercedes E55 that is kicking my ass. We are a Euro shop but I need some help with this thing. The car originally came in with a no crank problem. We checked the starter solenoid and there was 12v there while the key was in the crank p...	View
	2011 Mercedes-Benz C300 Luxury 3.0L Quiesicent VIN: WDDGF5EBXB Looking for some help from MB Techs on this one. My name is Adric a master tech who needs a little help. Customer stated that car runs and works great with a certain connector under hood that another shop disconnected, but if plugged in he "Very Intermittently...	View
	2002 Saab 9-3 SE 2.0L MIL Lamp on VIN: YS3DF58K22 I get these codes intermittently usually the 1312 and 1334 together and very occasionally 340, some times by itself and sometimes with the prominent two. The enabling fault states the two are set when the voltage doesn't pass 5 volts for over 200 combustion ev... Trouble codes: 1312 (cyl 1 2 combustion detection open circuit/short to B), 1334 (cyl 3 4), 340 (cam sensor circuit)	View
	2005 Toyota Sequoia Limited 4.7L MIL Lamp on VIN: 5TDZT38A75 This Toyota is running rich with short term fuel trim of -15 to -25. I found that the vapor pressure sensor in the tank is showing 14 lbs all the time even with the gas cap off. Noticed the purge valve cycling all the time so disconnected the vapor line to the... Trouble codes: P0175 (System too rich Bank 2)	View
	2008 Toyota Sienna XLE 3.5L MIL Lamp on VIN: 5TDZK22C88 This Sienna has the mil on and code p2420. No drivability issues. I smoke tested the evap system and couldn't find any leaks. I can't find much info on this code. Any help is greatly appreciated. Trouble codes: P2420 (Evaporate switching valve stuck off)	View
	2001 Volkswagen Golf GLS 1.9L No Start VIN: 9BWGP61J21 Specifically wanting to find help with a pin check for circuit paths to and from the 109 relay. Relay - Bosch [...] appears to have been a replacement. Engine problems corrected. Compression, fuel and pump timing all have been put into place - from idle...	View
	2003 Volkswagen Jetta Wolfsburg Edition 1.8L speedometer VIN: 3VWPE69M43 We have this 2003 Jetta in the shop and the speedometer is not working. There are no codes in any module. Verified the TCM and ECM both recognize and show a MPH reading in data stream. The cluster doesn't show any speed in data, just 0. Performed sweep test o...	View
	2005 Volkswagen Jetta 2.5 2.5L Cuts out, Misfire, MIL Lamp on VIN: 3VWRG71K55 This vehicle came in running rough under all conditions and with the check engine light on. I scanned it for codes and found P1340- cmp/ckp correlation,P0011- Intake cam advance error, P0301, P0302, P0303, P0304 and P0305. I cleared the codes and the drivabili... Trouble codes: P1340 (Cmp/ckp correlation), P0301 (Cylinder 1 misfire), P0302 (Cylinder 2 misfire), P0303 (Cylinder 3 misfire), P0304 (Cylinder 4 misfire), P0305 (Cylinder 5 misfire)	View
	2006 Volkswagen Jetta 2.0T 2.0L Poor Idle Quality, Hesitation, Misfire, MIL Lamp on VIN: 3VWMJ81K76 hello everyone the vehicle runs for 45 minutes perfectly fuel trims with specs then starts acting up hesitation misfiring , smoke test was performed no leak present , fuel pressure normal new ignition coils and spark plus , I found same symptoms on different v... Trouble codes: P2279, P2187, P1297, P0507, P0300	View
	2009 Volkswagen Beetle 2.5L Canister VIN: 3VWPW31C89 hello all, not a euro tech, this is my daughters car and is looking to sell it during this tax season. any ideas on what would fill the charcoal canister full of fuel on fuel fill up instantly? had same issue about 2 yrs ago of complaint of bad fuel smell at f...	View
	2013 Volvo XC90 3.2 3.2L Hesitation, Misfire VIN: YV4952CY9D Car was brought in with poor acceleration and recurring misfire codes for cylinders 4,5 and 6. The counters for the misfire codes are the exact same for all three cylinders. It felt like a plugged exhaust system on the test drive, so both front and rear cataly... Trouble codes: P3040, P3050, P3060	View

Fixes & Summaries for All Makes and Models

	Fix/Summary	Answers
	1998 Chevrolet C1500 Cheyenne 5.0L abs VIN: 1GCEC19M1W This thing did what never happens. It fixed itself overnight. We had blocked off master to prove not the problem and pedal was solid. reatached lines and bled, bled, bled. Had driven and jumped on brakes hard numerous times. At bottom of pedal travel could get...	28
	2008 Chevrolet Silverado 1500 WT 5.3L Engine VIN: 2GCEK13M78 Thanks for all the suggestions! It was suggested that we contact Jasper before we take it apart. We did & it was less than 100k mi but was around 5yrs ago the engine was put in so it wasn't covered under warranty. It was also suggested you could see if it was ...	16
	2003 Dodge Ram 1500 Laramie 5.7L Battery drain VIN: 1D7HU18D23 After a lot of testing I feel confidant it is in the instrument cluster. As this was a rusty "farm truck" the customer did not want to replace the cluster, even with used (it would start and run without the cluster installed - FYI) so I put on a battery discon...	9
	2004 Ford F-150 Heritage XLT 4.2L Misfire VIN: 2FTRF18204 Well this truck is fixed, back to basics fixed this problem. After multiple attempts to blame computer system failures, I restarted diagnosis and started at sparkplugs which were good, then worked to the spark plug wires, #3 and #4 wires were open(relatively n... Trouble codes: P0300 (Misfire).	19
	2013 Ford Escape SE 1.6L water pump VIN: 1FMCU0GX7D I got some good responses, thanks everyone. Michael related that the dealership would replace wp and not belt. He also described the rubber wedges I had referred to in my post by the special tool number. I did find the wedges and the other tools at Freedom Rac...	8
	2001 Mercedes-Benz CLK320 3.2L Stall VIN: WDBLJ65G11 Customer has decided to not waste any more money on this car and is going to donate it. Trouble codes: P0112 (Intake Air Temperture Sensor), P0221 (Function monitor Electronic Accelerator).	8
	2011 Volkswagen CC Sport 2.0L 4-5-6 shift VIN: WVWMN7AN4B unfortunately this vehicle was not fixed after installing new valve body, had to bring in low mileage used unit to repair vehicle. Have not had a chance to dissect old unit. We had also contacted ross tech and they agreed with our process of repair with the cl...	5

(Also Available: All, Asian, Chrysler, European, Ford, GM.)