Automotive Technicians Technical Discussion and Fixes for May 6, 2016

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	Help Request	Answers
	2006 Audi A4 Cabriolet 1.8L Excessive Emissions, Poor Idle Quality, Hesitation, Surge VIN: WAUAC48HX6 Customer complaint " all of a sudden started to run rough @ idle. We first attached our Ross Tech and could not communicate with K line (eng/trans) We know this was of great concern but causing rough engine? Checked compression (160-170 all cylinders). Smoked ... Trouble codes: 17887 (Brake booster system), 17705 (Pressure drop between turbo and throttle), 17536 (Fuel trim bank 1 multi), 16555 (Fuel trim bank 1), 16685 (Random miss fire too lean)	View
	2008 Audi Q7 Premium 4.2L Programming VIN: WA1EV74L18 Hello audi and vw techs, First, this is a relatives car and they know a guy in the parts business (not me). I know an oem battery is the best replacement option, but they got an exide. The problem is aftermarket lacks serial numbers and that doesn't allow fo...	View
	2001 BMW 330Ci 3.0L Windows, wipers VIN: WBABS53441 Hello BMW techs, This 330 ci convertible sat all winter, now all the windows, the top, and the wipers, don't work. I noticed that all this signals go thru the control module rear of the glove box. All the powers are good, the grounds are there, but none of thi...	View
	2006 BMW 325Ci 2.5L Ews Module VIN: WBABW33446 We replaced the EWS Module and could not perform the module replacement procedure. (We were led to believe that our Launch 431 could do it.) The Launch tool says it cannot realign because the new module does not match the old one. Has anyone had success realig...	View
	2007 BMW 328xi 3.0L no start VIN: WBAVT73507 customer jump started checked battery weak,replaced with proper unit,and registered. vehicle cranks,will not start. scanned vehicle 4 ecu codes, 2d5c,2aca,2a77,and 2a3f also have aoaa control module fault	View
	2004 Chevrolet Corvette Z06 5.7L Differential VIN: 1G1YY12S94 This Corvette came in with a differential fluid leak. I found fluid leaking from the weep hole in the front of the differential. Removed the differential and replaced the o-ring on the rear of the transmission housing. I also replaced the output shaft seals of...	View
	2004 Chevrolet Suburban 1500 LS 5.3L precharge pump VIN: 3GNEC16Z74 This is a used car dealer vehicle. Dealer told us vehicle had ABS chatter but only during acceleration. Test drove vehicle and confirmed complaint. We had the EBCM sent out for rebuild but tested okay. After finding out that this vehicle has stability and trac...	View
	2006 Chrysler 300 Touring 3.5L Unable to program pinion factor VIN: 2C3KA53GX6 Vehicle came into the shop in "Limp In" mode. The rear differential would rotate 180 degrease when shifting in/out of gear. We also found a rodent nest with several chewed wires in the junction/fuse box located in the trunk. Also the TCM was not communicating....	View
	2007 Dodge Ram 3500 ST 6.7L MIL Lamp on VIN: 3D6WH48A57 I have a P2580 Turbo speed sensor circuit low. The sensor ohmed good. The truck does not set the code with the engine cold. Had to drive the truck for about 15 to 20 minutes before the code will set. Then if you accel and decel around the 30 to 40 mph it will ... Trouble codes: P2580 (Turbocharger speed sensor crcuit low)	View
	1994 Ford Explorer Eddie Bauer 4.0L ignition VIN: 1FMDU32X9R No start condition. Checked visually for spark at coil and found none. Tested for power and ground to coil both ok. tested Crank sensor off of engine, and has pulse when metal object is passed by.Inspect wiring at CKS found wiring has severe Chaffing near conn...	View
	2000 Ford F-350 Super Duty Lariat 7.3L MIL Lamp on, Lacks Power VIN: 1FTSX31F6Y Customer states on two occasions the check engine light came on and then the vehicle had a severe lack of power. The first time he was able to limp it home and after sitting it ran fine. The second time he was not even able to drive up a hill, so he pulled ove... Trouble codes: P1316 (Injector Driver Module Codes Detected), P0284 (Cylinder 8 Contribution Fault Set from From Cylinder Contribution Test), P0270 (Cylinder 4 Injector Low Set from Injector Buzz Test), P0273 (Cylinder 5 Injector Low Set from Injector Buzz Test)	View
	2009 Ford F-450 Super Duty 6.8L Misfire, Knock VIN: 1FDAF47Y79 This is one of those that has me second guessing myself. So, the customer said the engine started knocking Wednesday, then the check engine light came on a little later. We spent the day yesterday checking things out. The knock doesn't sound like a rod knock, ... Trouble codes: P0353 (Ignition Coil 3 Primary Circuit), P0303 (Misfire Cylinder 3)	View
	2010 Ford E-350 Super Duty 6.0L No Start VIN: 1FDWE3FP6A Vehicle came in as "no start". ICP pressure builds to 138psi . Pumped air into system and it was leaking in the middle of engine . Removed turbo and ICP cover . Found air leaking from ICP pump . There is 2 holes on ICP pump behind gear . Upper hole has sealed ...	View
	2012 Ford Escape XLT 3.0L Dead battery VIN: 1FMCU0DG7C Battery dies after 1-2 days 5.6 volts ,anything common causing severe draw as I'm on vacation 1000 miles away from vehicle and am having my helper check it.	View
	2012 Ford Focus S 2.0L Coolant Fan VIN: 1FAHP3E23C Have this lovely focus here that the coolant fan dose not come on under normal conditions. Temp Climbs to 220 degrees coolant spills out of the bottle! The fan will come on when the a/c is turned on. Found a TSB about a grill shutter actuator wiring harness ca...	View
	2007 Hyundai Entourage SE 3.8L Mechanical VIN: KNDMC23357 Hi friends! This van knocks for a few seconds after sitting for a bit like it would after an oil change. Very much seems like oil drain back. I've read all the threads about this being poor design or maybe even normal. I was just curious if anyone has come acr...	View
	2013 Kia Sorento LX 3.5L MIL Lamp on VIN: 5XYKTDA27D Most common hit on identifix for this car. Customer has returned twice with this code. Each time manually testing all components reveals no faults. Internet searching has shown that a calibration is needed when a code is setting but components are not to bla... Trouble codes: P200A	View
	2005 Lincoln Aviator 4.6L MIL Lamp on VIN: 5LMEU88HX5 Good Day Ford techs, We have an 05 Aviator with the 4.6 engine in our shop. The IMRC actuator is bad due to coking in the intake manifold. Ford/Lincoln no longer produces the replacement part and no one in the aftermarket offers one. We have contacted numerous...	View
	2002 Mercedes-Benz ML320 3.2L 1-2 shift VIN: 4JGAB54E02 Hello Members I have a vehicle that will be in Monday and would like any input you can offer. Had a call from owner that stated she drove on highway for 20min. After stopping the vehicle would not shift out of first after a few short beeps.Along with shift pro...	View
	2007 Mercedes-Benz E350 4Matic 3.5L Battery draw VIN: WDBUF87X87 Does anyone know what a code 912F means for the instrument cluster? I have battery draw overnight and I am getting instrument cluster codes in different modules. Most of the time I check the car it doesnt have a draw. Other times it will show up and quit while...	View
	2007 Mini Cooper 1.6L MIL Lamp on VIN: WMWMF335X7 This Mini has a MIL that comes and goes at will. Sometimes for several days with any issued. The only fault is plausibility of the MAF. We've replaced the MAF 2X (the first one was an open box, so I wasn't sure about it's history). The fault still comes back i... Trouble codes: 2B56	View
	2001 Mitsubishi Eclipse RS 2.4L No Start VIN: 4A3AC34G11 scanner communicates, most data including rpm appears ok. (my scanner does not show cmp ) verified no spark. has injector pulse. My mitchel wiring diagram does not show the cam sensor. also ignition description says coils with built-in power transistor and ig ...	View
	2003 Nissan Murano SE 3.5L Drive-axles VIN: JN8AZ08W73 c/k oil pressure to see if i was losing psi but its in spec..75 cold 25 psi fully warm.Runs smooth if it start ,and if you clear the code after few cranks it comes right back…p0340 B1 proformed cam/crank sync but not shore if its correct but if i unplug the b1...	View
	2003 Nissan Xterra SE 3.3L severe oil leak VIN: 5N1ED28Y43 I have a head scratcher, and hoping I can get some ideas. This Xterra (timing belt engine) has a severe oil leak in front of engine. Its being wicked up and thrown out the sides and bottom timing belt cover from the timing belt. This leak is not a drip, its mo...	View
	2005 Saab 9-3 Linear 2.0L no crank VIN: YS3FB49S55 intermittent no crank issue, cycling key gets it to start, no voltage to s terminal on starter when symptom is occurring, ICM U2155 CODE, CIM B3981 codes, narrowed it down to Ignition switch and now cannot locate one locally. Does any a source of where i can f...	View
	2006 Toyota Sienna LE 3.3L Compressor VIN: 5TDZA23C86 A/C system work normally until you turn on the REAR blower, then the compressor shuts down. Verified the rear motor does work, amp draw within spec. System is activated the ECM on the ground side. Manually grounding the system keeps the compressor working.	View
	2008 Toyota Prius Touring 1.5L engine VIN: JTDKB20U08 This Prius was brought to the shop as a no start. The customer stated they got stuck and were towed. The vehicle would shift into neutral but not engage drive or reverse. The ice would not start. The code P3193 was stored in the pcm, fuel runout. I added appro...	View
	2002 Volkswagen Golf GLS 2.0L Cuts out, Stall VIN: 9BWGK61J92 Car came to us during extreme cold (-20 f) had stalled on highway but restarted. We were able to get it to stall at extreme low speed, right turn,brake on, no throttle. A second event occurred at heavy throttle, straight operation,warm engine, and a third duri... Trouble codes: P0420, P1649	View
	2002 Volkswagen Jetta GLS 2.0L Misfire, MIL Lamp on VIN: 3VWSB69M32 The car has a noticable miss at idle, and the check engine light is flashing. At first I had only a P0304 and P0300. I replaced the plugs, wires, and coilpack with OE parts. I still had a P0304 and noted miss. I put a noid light on number 4 injector and it fla... Trouble codes: P0300, P0303, P0304	View
	2001 Volvo V70 2.4T 2.4L Cluster,Brights VIN: YV1SW58D61 Car towed in completely dead; no cranking, lights or accessories. Battery tests OK, all fuses good and have power. All leads good from ignition switch. Reset battery; removed cables and touched together for 10 minutes. Dome lights came on when battery reconnec...	View
	2005 Volvo XC70 2.5L turbo VIN: YV1SZ59235 thank you guys in advanced, i have this volvo that makes a whining noise like turbo spooling, is hard to pin point, is either coming from the turbo itself or transmission housing, is does it more when is cold in the morning, and standing still reving the engin...	View

Fixes & Summaries for All Makes and Models

	Fix/Summary	Answers
	1999 BMW Z3 M Coupe 3.2L MIL Lamp on VIN: WBSCK9337X The owner of the car said 'As long as it will run OK and pass inspection, he Don't care. So we did not get any more time with this one. Trouble codes: 253 (shutoff valve vent system jammed closed).	8
	2007 BMW X5 3.0si 3.0L Air ride control VIN: 5UXFE43557 After adjusting the right side sensor, I inflated both rear springs and let it sit overnight. I performed the module reset and test drove, and the system now works as it should. I'm sure a better scan tool would have helped take the guess work out of this jo...	2
	2006 Chrysler Town & Country Touring 3.8L Poor Idle Quality, Stall VIN: 2A4GP54L06 First of all, thanks to all who took the time to respond. Requests dealt with wiring checks and other info that I did take time to consider and use. The customer was from another part of the state, before she moved to here. She had to make a run back to her pr...	12
	1992 Ford Mustang LX 2.3L No Start, Surge, Cuts out, Stall, Misfire VIN: 1FACP44M8N Thanks to everyone for their help on this issue. Especially to Timothy and Bill who were on the same track as we were. After scoping the cam and crank signals together, as both are built into the crankshaft sensor, we could see the glitch with the key on not...	9
	2010 Ford Explorer XLT 4.0L B2872 Tire pressure sensor fault VIN: 1FMEU6DE2A I am closing this one even though I have not fixed it. According to info received I gather that this might very well be a plug and play, and the only setup necessary is train pressure sensors and key fobs. Thanks for those that took time out for this one.	4
	2004 Honda Civic LX 1.7L Steering/Suspension VIN: 2HGES16534 So, even though I performed a torque converter shudder test(pressing brake pedal to deactivate converter lockup during symptom), the problem was still in the transaxle. Cheolwon from Ontario was spot on. We didn't have lucas on the shelf, but I had Wynns Shudd...	31
	2000 Jeep Grand Cherokee Limited 4.7L MIL Lamp on VIN: 1J4GW58N9Y So no answer on this one. I tried switching sensors from side to side with same result (P0135). Did verify correct OE sensor. Tried Timothy's suggestion and turned on heaters (both banks) with engine cold and not running. Seemed to take a long time for both se... Trouble codes: P0135.	7
	2010 Mini Cooper 1.6L radiator fan VIN: WMWMF3C50A Well this car has left but the problem was unresolved. I did replace the thermostat with housing but it didnt change anything as I kind of knew it wouldnt. I agree with Alan and John...I was wrong about the fan coming on at 100f it actually comes on at 110f......	7
	2005 Nissan Titan LE 5.6L MIL Lamp on VIN: 1N6BA07A95 I'm going to go and close this help request as the vehicle came back to day with all monitors set to ready and no SES light. I think clearing the learn memory of the AF sensors did the trick. I did do what one of you suggested and that was to swap the sensor... Trouble codes: P1273 (A/F sensor bank 1).	4
	2005 Toyota Tundra SR5 4.7L MIL Lamp on VIN: 5TBDT44195 Thanks to all who replied. I have still not resolved the issue. My graphing scope is out of order so I am unable to complete diagnostics at this time. The deadline states I must close this post. When I do fix the problem, I will follow up with a summary. Trouble codes: P0412 (Secondary air injection switching valve A).	12
	2011 Toyota Highlander 3.5L Accessories VIN: 5TDBK3EH8B the previous screen was defective peplace with new part and that worked thanks to all for their responce and help	5
	2006 Volkswagen Jetta TDI 1.9L Compressor wont come on VIN: 3VWRT71K36 Thanks for the inputs.. First off if you are going to work on VW with electrical issues a factory scan tool is a must along with factory manuals. The A/C was being locked out because of a shorted blend door motor for what ever reason my Solus would not communi...	8

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