Automotive Technicians Technical Discussion and Fixes for Jan 13, 2016

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Open Help Requests for All Makes and Models

	Help Request	Answers
	2007 Audi A4 Cabriolet 2.0L MIL Lamp on VIN: WAUAF48H27 This one for the Audi enthusiasts out there.Vehicle came in for a CEL complaint.We do not have oem scanner so snappie was used and obtained such codes.Found some threads that point to the n249 valve ( bypass valve located on the turbo ? ) so it was removed and... Trouble codes: 08801 (boost pressure control valve unplausible signal N249 -p2261), 08577 (performance malfunction in cooling system-p2281), 12555 (low pressure fuel system outside specs-p310B)	View
	2007 BMW 323i 2.5L Starting VIN: WDAVH135X7 Vehicle will not start and wont turn on the lights on the cluster and steering is lock had code a0aa replaced steering colum still havethe same problem.	View
	2006 Buick Lucerne CXL 3.8L Electronic VIN: 1GHHD57296 Ok here we go im going crazy over this car. Customer dropped off said no heat on drivers side vent just luke warm air, but pass side very hot. Checked temp door on drivers side and was working like it should and also checked pass side and was working like it w...	View
	1986 Chevrolet P30 5.7L Hesitation, Cuts out VIN: 1GBHP32M9G This p30 chassis came in with multiple issues we have replaced spark plugs,cap,rotor,wires,coil and overhauled carburator there is a tip in hesitation on intial accell from stop but only when you accell hard from a stop no hesitation present with light throttl...	View
	2003 Chevrolet Venture LT 3.4L Cylinder 5 misfire VIN: 1GNDX13E13 Greetings all I hope to pick your brains on this Venture van that is making me completely crazy. Giving some history even though I don't believe it pertains to the current cylinder 5 misfire but the more info the better sometimes. Three years ago we did a head...	View
	2004 Chevrolet Avalanche 1500 Z66 5.3L right inner axle VIN: 3GNEK12T24 we have a 2004 avalanche 4x4 that the right front inner axle bends the retaining washer and walks out. we have replaced the retainer clip " c clip" and washer like part. everything looks and feels great the bearing at the right end of the tube is fine everythi...	View
	1997 Ford F-150 XL 4.2L oil pump drive gears VIN: 1FTDX1729V '97 F150 4.2 v-6, in 2009 had main thrust bearing bad. Rebuilt engine, new heads, 10k miles later, new ford front cover installed(leaking coolant, corroded) ect. 70k miles later 2014 cam gear/oil pump drive ate all the gears gone, lost oil pressure, ruined rod...	View
	1997 Ford Ranger XLT 4.0L Misfire VIN: 1FTCR14X4V Hello Everyone, I have this ford ranger with a 4.0l engine that intermittently misfires/stumbles when you place the transmission in reverse or drive while stationary. The vehicle has stumbles on acceleration intermittently. We use the snap on modis and could s...	View
	2005 Ford Escape XLT 3.0L Excessive Emissions, Poor Idle Quality, Hesitation, Surge, MIL Lamp on VIN: 1FMYU03165 -hello all, when i first got this vehicle i initally road tested and noticed fuel trims dive into negative state after driving for 20 min. -i inspected several things like maf, purge valve with no results. -hooked up fuel pressure gauge and results were normal... Trouble codes: P2196 (O2 sensor excess rich signal b1s1), P2198 (O2 sensor signal stuck rich b2s1), P0172 (System too rich b1), P0175 (System too rich b2), P2197 (O2 sensor dignal stuck lean b2s1)	View
	2006 Ford LCF C550 4.5L motor VIN: 3FRML55Z86 customer brought in the veh and had a ficm installed. had the ficm reprogrammed and still veh will not start. cranking there is low pressure and high pressure is good at 2500psi. installed test ipr still the same. was necessary to install starter due to excess...	View
	2007 Ford E-450 Super Duty 6.0L No Start, Cuts out, Stall VIN: 1FDXE45P17 2007 E-450 Ambulance 6.0 diesel has a P0611 FICM performance code. History of vehicle dies on road or at idle. Sometimes vehicle will restart and other times has to be towed in, cranks no start. We got vehicle from another shop with history of replacing 4 OE F... Trouble codes: P0611 (FICM performance code)	View
	2012 Ford F-350 Super Duty XL 6.2L Hesitation VIN: 1FTRF3D62C this truck has no pick up fuel pressure at 55PSI.Iwas getting no cylinder contribution from cylinder 7 8 6 1 and 5 when I WOULD REMOVE THE WIRE THAT GOES TO THE SPARK PLUG IN THE EXHAUST THERE WAS NO SPARK.I replaced those coils that were affected with denso c... Trouble codes: P0307, P0308, P0301	View
	1993 GMC C1500 Suburban 5.7L Poor Idle Quality VIN: 1GKEC16K9P Vehicle came in with a crank no start condition. found vehicle had fuel and no spark found the ignition control module in the distributor was bad. replaced with new and vehicle fired up and idled poorly. barely running and almost dies. both injectors are dumpi...	View
	2004 GMC Sierra 2500 HD SLE 6.6L vent controls VIN: 1GTHK23254 I can use my snap on scanner to move the vent solenoids but i cannot get them to work properly. Its almost like they are all out of timing. If i unplug the hvac controls and plug it back in all the vents move to desired location then go haywire again. Tried 2 ...	View
	2008 GMC Yukon XL 1500 Denali 6.2L No Start, Stall VIN: 1GKFK66808 This vehicle will randomly not start or stall and not start. Was towed to me a couple weeks ago but started when it got here and had no codes stored. It started, then stalled but would not restart. Was towed in again and started right up but had the two codes ... Trouble codes: P0513, P0606	View
	2002 Hyundai XG350 3.5L Poor Idle Quality, Cuts out, Stall, MIL Lamp on VIN: KMHFU45E62 Car ran fine prior. Afterwards, car goes into limphome mode and will not idle. Both upstream o2's are holding steady at 20 mv, do not flucuate. Does not seem to accept any relearn. Have checked all connections, fuses. Car just keeps starting and stalling. Have... Trouble codes: P1193 (Limp home value on low rpm), P0154, P0134 (No o2 activity b1s1)	View
	2007 Jeep Compass 2.4L Cannot add fuel to t VIN: 1J8FF47W97 Can't add fuel to tank very fast check both hoses seemed clear	View
	2001 Land Rover Discovery Series II SE 4.0L Unknown VIN: SALTW12461 a little help is needed! we removed the transmission and transfer case to reseal them and fix oil leaks. all went back together fine except now the manual and sport mode lights are flashing in dash and trans does not pull. the one code says 'pressure monitorin...	View
	2008 Mercedes-Benz GL450 4.6L All Air Struts VIN: 4JGBF71E68 Hey all those familiar with Mercedes air suspension systems. Thank you for your help and information in advance. We had this pretty Mercedes towed up here yesterday and got to working on it today. All suspension air shocks were empty of air. When the compress...	View
	2009 Mercedes-Benz E350 3.5L 1-2 Shift 3-4 Shift VIN: WDBUF56X19 The vehicle jerks when shifting and at times it feels like on limp mode. Some times will turn off car and restart and briefly goes away. Don't see any faults related to the conductor plate, I think is probably the bolts that hold the reverse drum seen it befor...	View
	2000 Mercury Mountaineer 5.0L Suspension VIN: 4M2DU86P6Y Customer complained of horrible grinding noise, like metal to metal on brakes. Test drove and got nothing until about 2 miles. Didn't know if i would make it back to shop. Much worse on turns esp. Left. Sounds like wheel bearing under your feet. Seems left qui...	View
	2003 Nissan Murano SE 3.5L No Start VIN: JN8AZ08W93 This vehicle was towed in with a no start condition. When starting fluid is introduced into the intake manifold, the vehicle runs perfectly until the starting fluid runs out. Checked for power and ground at the fuel pump and found no voltage. We replaced th...	View
	2001 Toyota Camry CE 2.2L Poor Idle Quality, Misfire VIN: 4T1BG22K61 Hi guys this one has really got me turned around. Any help would be greatly appreciated. This car came in about 2 months ago with a bad timing belt. Water pump bearings had gone bad and the timing belt shredded. There were bent valves but only cylinder #2. W... Trouble codes: P0301 (Cylinder 1 Misfire)	View
	2004 Toyota 4Runner Limited 4.7L Body VIN: JTEBT17R94 Hi having a problem finding a water leak that will not duplicate for us. Both side are getting wet up front and have checked all drains and ran water over over rig till blue in the face! if there was a leak it should have showed, unless this only happens while...	View
	2005 Toyota Prius 1.5L Starting VIN: JTDKB20U55 Experience limited with smart key applications. After battery replacement, vehicle will only crank / start when the key fob is NOT inserted in dash, if inserted the vehicle will not allow ignition when switch is pushed. thus wont start. I even confirmed the ...	View
	2007 Toyota Sienna LE 3.5L No Start, Cuts out VIN: 5TDZK23C07 Van towed to shop, stalled and would not restart. Van cranks normally, starts and runs for approx 10 seconds then shuts down. Will not start and run for 10 seconds again unless key is turned back to off and cycled to start again. Van has spark at coils, fuel ... Trouble codes: P0351 (Coil a primary/secondary circuit), P0352 (Coil b primary/secondary circuit), P0353 (Coil c), P0354 (Coil d), P0355 (Coil e), P0356 (Coil f)	View

Fixes & Summaries for All Makes and Models

	Fix/Summary	Answers
	1999 BMW 740i 4.4L Asc Unit VIN: WBAGG8337X This vehicle is not yet fixed. but the asc unit problem is fixed. there is more to our CAN bus problem than just the asc unit. to summarize the asc unit should have 60ohms on pins 24 and 40 with the module disconnected. the module we had had 0.L. we have repla...	10
	2002 Chevrolet Silverado 1500 5.3L noise/hard start VIN: 1GCEK14T02 I would like to start by saying THANK-YOU, To all that did NOT read the entire problem description before answering.. After taking the advice to replace the relay, So far has come back with any complaints.. THE FUEL FILTER WAS NEW!! THE PUMP IS OEM!! THE CONNE...	43
	1999 Dodge Dakota 3.9L generic obd inop VIN: 1B7GG22X0X The customer didnt get back to us to approve the further diag and came and picked up the vehicle today. The PCM was reprogrammed by the dealer and actually passed emissions last year so I doubt it was a programming issue. thanks every one for your replys. Ill...	11
	2002 Dodge Ram 1500 ST 5.9L Poor Idle Quality, Cuts out, Lacks Power VIN: 1D7HU18Z92 Want to say thank you to all the replies. I know this was a little confusing to understand but I tried to be as clear as possible with my post. I dropped the exhaust (which I know I should have done this before replacing the cat) and the power output was actua...	18
	2010 Dodge Charger R/T 5.7L Poor Idle Quality, Misfire, MIL Lamp on VIN: 2B3CA4CT0A Update and Closure (theory): It appears to be a command by the PCM to disable the injector due to a miss-fire. After checking the lift on the intake cam lobe it was found to be well out of spec but still sufficient enough to promote at times a healthy combusti... Trouble codes: P0302.	11
	2002 Lexus ES300 3.0L Transmission VIN: JTHBF30G82 We have found the issue with vehicle. Thanks for the many replies. the problem turned out to be straight forward. Anything that moves will eventually wear out, break especially if made of plastic. The center console selector switch (complete assembly) needed r...	8
	2002 Mercedes-Benz G500 5.0L left rear turn sigal VIN: WDCYR49E52 ok UNCLE!! ah the voice of reason is ringing loud in my ear. thanks each and every one. the rear sam is actually $989 with tax and the front sam is $1181 w tax. that's A LOT of risk. I basically work alone with a helper so I don't have someone in the shop to ...	5
	1999 Porsche Boxster 2.5L interior, dash area VIN: WP0CA2985X Thank you both for taking the time to reply to our concern. We discovered that the noise is coming from the convertible top release clasp. We need to either repair or replace the clasp.	4
	2007 Saab 9-3 2.0T 2.0L Burn Odor VIN: YS3FD49Y07 I removed the radio/cd player and customer drove for a week with no problem or odor.radio will be replaced if it comes off of backorder.thanks for your help	4
	2006 Subaru Outback 2.5i 2.5L MIL Lamp on VIN: 4S4BP61C36 Well, thank you everyone for your quick response and help. I did put a new air/fuel B1-S1 into the car as everyone suggested. All values came back to what seems to be normal. Clearing the emissions and PO171 and road testing confirms the problem is gone. My on... Trouble codes: P0171.	8
	2012 Volkswagen CC Sport 2.0L Hesitation, MIL Lamp on VIN: WVWNP7AN3C Tested the low pressure pump pressure 6bar and volume good,so I cleared the codes and when restarted it gave new code and mil instantly for fuel pressure sensor so ohmed the sensor .1 ohms spec was 25 replaced the high pressure pump with sensor as it can't be... Trouble codes: P0087 (Low fuel rail pressure), P2177 (Lean off idle).	8
	2007 Volvo S40 2.4i 2.4L MIL Lamp on VIN: YV1MS38277 This one's all fixed. BTW, in my description, I used a rubber hose on the dipstick tube hooked to a vacc gauge. Identifix said that 1-1.5" is acceptable, 2" or more is def a flame trap leak. It had about 1" so I knew it was good. Anyway, MAF fixed the car.... Trouble codes: P0171 (Bank 1 System Lean).	8

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