Automotive Technicians Technical Discussion and Fixes for May 21, 2014

Join Now

Prev	Professional Automotive Repair Technical Discussions for May 21, 2014 International Automotive Technicians' Network (iATN) - Members Only	Next
(Also Available: All, Asian, Chrysler, European, Ford, GM.)
Vehicle Owners: If you are seeking an automotive repair professional to service your vehicle, visit the iATN Repair Shop Finder.

Open Help Requests for All Makes and Models

	Help Request	Answers
	2006 Audi A4 Quattro 3.2L MIL Lamp on VIN: WAUDH78E66 This one has me puzzled. The test values in all(No)data are : Pin 1 to B+ battery voltage correct Pin 2 to ground battery voltage Incorrect 5 V Pin 3 to ground 5V correct pin 4 to ground battery voltage Incorrect 0 V My big question is are these test valu... Trouble codes: P0068 (MAP/MAF/Throttle position correlation)	View
	2008 Audi A4 Quattro 2.0L MIL Lamp on VIN: WAUEF78E28 Car came in MIL fault code 16395/p0011/000017, Intake cam retard set point not reached. Changed oil. Replace N205 camshaft adjustment valve. Not fixed. Check measure block 91, 92 actual value does not change. Ordered part 06f 103 107g camshaft adjuster thinkin... Trouble codes: P0011	View
	2001 BMW 325i 2.5L Hesitation, Cuts out, Stall, Misfire, MIL Lamp on VIN: WBAAV33491 Car came in with bad converters (melted cores) and a bad mass air flow meter. We replaced converts and mass air (new) and car runs perfect when temp sensor hits 120 degrees. When car sits and temp drops below 120 it misfires, stalls and hesitates when trying t... Trouble codes: 68 (tank venting valve), 65 (camshaft position senor inlet), 242 (cyl 5 misifire), 240 (cyl 3 misfire), 243 (cyl 6 missifire)	View
	2007 BMW 335xi 3.0L Hesitation, Surge VIN: WBAVD53547 car runs well. intermittently will lose throttle ability, can barely be driven. surges bad at idle. dash warning lights for brake, traction, 4x4 and check engine. usually turning off the the key and restarting it will clear problem but of course codes will rem... Trouble codes: 2CEC, 2CED, 2D09, 55C3, 5F77	View
	2010 Cadillac Escalade 6.2L misfire on decell VIN: 1GYUKBEF7A removed the fuel rail, check for any debris in rail, swapped injectors side to side before installation, cleaned injectors with bg products x3. smoked intake for vacuum leak diagnosis, swapped coils cylinder to cylinder, vehicle has no engine noises, no tappin...	View
	2000 Chevrolet Venture 3.4L Unknown VIN: 1GNDU03F7Y Up front, I am not a transmission technician, but I do believe I know what the problem is, but wanted to bounce it off more experienced trans techs. 9K miles ago, we installed a new Pressure Control Solenoid (PCS) for this same code (P1811). At that time, when...	View
	2006 Chevrolet Impala LS 3.5L a/ccompressor VIN: 2G1WB55K66 keeps blowing fuses,we changed the relay but still the same results,I'm thinking the compressor clutch is bad but Ineed yall's help	View
	2007 Chevrolet HHR LT 2.2L MIL Lamp on VIN: 3GNDA23D87 Car came to us from body shop.Asked us to turn off MIL.Scanned for codes and found P062f in TCM.Replaced TCM and reflashed.MIL light off.Let set for several hours and MIL light back on.Scanned for codes,found P062f in ECM.Replaced ECM and reflashed.Let set for... Trouble codes: P062F, P062F	View
	2009 Chevrolet Uplander LS 3.9L calipers VIN: 1GNDU23139 Hi all. Replace LR hub,rotors,pads and LR caliper for brakes burnt on LR, Thought it was from caliper seizure and then being dragged by tow driver who could not see smoke,feel or hear noise. After repair still seized,checked front right also seized. Open LR bl...	View
	2002 Chrysler Sebring LXi 3.0L water leak VIN: 4C3AG52H32 This a bit dumb. Customer complaint is water going inside and I cant find the a/c drain. Where is it guys, pick up the car and cannot find it. Help!!..	View
	2001 Dodge Ram 3500 5.9L Surge VIN: 1B7MF33651 have tested for codes lift pump pressure scaned with snap on scaner boost presure. suspect either lock up pulse or possible inj pump problem problem only happens in od at 45-55 mph at steady speed give a little more throtle or let off throtle and it stops. no ...	View
	2003 Dodge Sprinter 2500 2.7L fuel leak VIN: WD2YD64153 I replaced the high pressure pump and low side hoses it still leaks out of the low pressure sides way less than before so do I have a crappy dodge rebuilt pump (bought it from the dealer it was only 100 more than the local builder and it was next day not acros...	View
	1975 Ford F-250 Ranger 6.4L Hesitation, Surge, Cuts out, Stall, Misfire VIN: F25MRW4041 I have a 1975 ford f 250 ramger with an old 390 in it it came to us because of a [...] we replaced the cylinder heads with new ones and new valves because the old ones were cracked the truck now idles and runs better but there is still a misfire in cylinder...	View
	2007 Ford Freestar SE 3.9L Engine VIN: 2FMZA51617 We have a van with a misfire (p0303) and B2S2 Lean(P0174). It is also making a popping noise through the intake and a popping in the drive belt. we have replaced the O2 sensor, injectors, Plugs and wires, coil,complete valve job, and all new gaskit set. New PC...	View
	2009 Ford F-150 FX4 5.4L Brake Lights VIN: 1FTPX14V99 Ford techs and fellow techs, the brake lights come on in this vehicle with key off. They will turn on, then off, then on, sometimes will stay on until battery is disconnected. Customer replaced brake switch. Checked switch operation and it looks ok. Brake ligh...	View
	2003 GMC Savana 2500 4.8L erratic guage sweeps,etc VIN: 1GTGG25V43 hello,and thanks in advance for any help. this gmc will sweep the gas guage,temp guage, andoil pressure guage to zero(koeo, or koer). sometimes when this happens, the security light comes on. always when this happens, the "check gauges" light comes on, and the...	View
	2006 Honda Civic Hybrid 1.3L Poor Idle Quality, Hesitation, Surge, Misfire VIN: JHMFA36256 Customer states it has been runing rough for a while. (how long??) Hesitation off idle, surging on accel, and what 'feels like' skipping under load. I say 'feels like' because I see that another tech had similar symptoms and it was transmission related. I chec...	View
	2004 Land Rover Range Rover HSE 4.4L MIL Lamp on VIN: SALMF11474 I've run out of ideas, need some help from Range rover guys! Fuel trims are low, Lt both sides around 5 and St +or- 2 to 3. Vehicle runs well, no other codes or problems, need it to run the O2 monitor to get through smog check as Ca only allows 1 and evap purg... Trouble codes: P1173 (downstream fuel trim malfunction bank2 front sensor aged rear adaption too lean/rich)	View
	2008 Land Rover LR2 HSE 3.2L No Start VIN: SALFT24N78 Vehicle was driven in this morning. I worked on the stuck tailgate latch. It will not start now. The ignition will turn on with the key (fob type). It will not crank when holding the brake pedal down (brake lights come on), then pressing and releasing the sta...	View
	1995 Lincoln Town Car Cartier 4.6L Poor Idle Quality VIN: 1LNLM83W8S This Lincoln originally came in with rough idle & stalling. we replaced iac solenoid & did an induction cleaning but no throttle body cleaning. The car then would stall & run rough after warmed up, so we tested for intake leaks and found & replaced faulty inta...	View
	2001 Mercedes-Benz S600 5.8L Misfire VIN: WDBNG78JX1 a have a missing cylinder number 10 though i have codes for 10 11 and 12 i found oil in the connector for the ignition cassette , and the connector for the injectors that are missing, suspect oil pressure switch , it's that possible? Trouble codes: P0205, P0258, P005A	View
	2002 Mitsubishi Galant DE 2.4L Surge, MIL Lamp on VIN: JMBSREA3A1 Hello! I have a hard time with this car. The car, a Mitsubishi Galant 2002 (4G64) with a 2,4 GDI engine, is in for engine light on and a P0170. The fuel trims at idle and a hot engine is STFT: +24% LTFT: +9% The oxygen values: Front: 0-20 mV Rear: 0-20 mV T... Trouble codes: P0170	View
	2005 Nissan Altima SE-R 3.5L Failsafe mode VIN: 1N4BL11D25 Cannot find a location for "A/T PV IGN" relay. Can anyone help on the location of this? Transmission is shifting into drive/reverse extremely hard. The two mentioned codes are present, and when cleared, the transmission engages normally. The codes will co...	View
	1999 Pontiac Grand Am GT 3.4L Cooling Systems VIN: 1G2NW12E4X This car will over heat and blow out coolant while in stop and go traffic or when idling for a long time. I have not been able to duplicate the event. I have not been able to get the cooling fans to operate on high by them selves. I can control them with the s...	View
	2007 Suzuki XL-7 3.6L brake lamps VIN: 2S3DB21737 Alldata says there is a printed circuit board(PCB) hard wired into the underhood fuse block. All fuses are good, and when the stop lamp fuse is powered up, the brake lights do come on. I'm thinking the stoplamp relay is the problem, and a service bulletin says...	View
	1997 Toyota Camry CE 3.0L license plate lights VIN: 4T1BF22K8V Both license plate bulbs were not lit. I initially replaced them without any change. Then, with a test light, I determined that there was 12v at both wires going to each socket. There is no ground. Looking at Alldatas wiring diagram does not illuminate the sit...	View
	2011 Toyota Corolla S 1.8L radio VIN: 2T1BU4EE2B Radio comes on when car is started and shuts off in about 2 seconds. Then comes back on in about 2 minutes. Acts like a relay popping and then coming back on, but doesn't do it again all the time that it is continuously on. Not sure what to check on this.	View
	2013 Toyota 4Runner Limited 4.0L R side air bag VIN: JTEZU5JR5D This 4runner has a B1821 fault code. I get different descriptions for this code depending on the program. I need the help of a Toyota tech that can give correct description and diagnostic pinpoint test for this code. I believe this is a RH side (seat) airbag s...	View
	1995 Volkswagen Cabrio 2.0L Poor Idle Quality VIN: WVWBB81E2S Car has dangerous stall problem EVERY 24 SECONDS at idle. Removed EGR entirely and capped off openings. Same issue. Compression 170+ across the board. At times on the road car feels like its bucking. Have tried to pinpoint a vacuum leak to no avail. Vacuum on ... Trouble codes: N0NE	View
	2005 Volkswagen Jetta GLS 2.0L Mil VIN: 3VWSA69MX5 The car came in with a coolant leak and the Check Engine Light was on. Multiple Codes were stored. A few of the codes returned immediately after being cleared (along with the P0544) after Replacing the Water Pump and Timing Belt P0544 is the only code that ret...	View
	2008 Volvo V70 3.2 3.2L power steering pump VIN: YV1BW98238 this Volvo had a terrible noise coming from behind the steering pump. we removed the pump, a spring, burned plastic and a bunch of metal particles was behind the pump. my problem is I do not know how this works or what it is called. I know that it drives the p...	View

Fixes & Summaries for All Makes and Models

	Fix/Summary	Answers
	2007 BMW 525xi 3.0L CV Joint/Differential VIN: WBANF33597 Customer Declined Further Diagnosis & Repair At This Time	4
	2011 BMW X5 xDrive35i 3.0L Engine VIN: 5UXZV4C52B The Vanos was sliiiiiightly off, and when I say slightly, I mean off by less than 1 degree. These n55 engines are VERY finicky. When replacing the vanoses, there is a special tool for lining up the camshafts on this car. When you have them aligned, you rea...	1
	1990 Chevrolet Lumina 3.1L Runs for 20 seconds, VIN: 2G1WL54T6L Thank You for all the responses-it sure helped me. What I found was one shorted injector and one borderline--I checked all the injectors with an ohm meter. The folks at the other shop replaced the injectors and I test drove the car from cold to hot to cold. A...	35
	1997 Chevrolet Camaro Z28 30th Anniversary Edition 5.7L MIL Lamp on VIN: 2GF1P22P7V Customer does not want to spend the extra money to buy the delco unit. He wants to sell the car as is. The car is drivable with the codes.Thanks for all the replies. Trouble codes: P0336, P1371.	6
	1997 Chevrolet C2500 5.0L a/c VIN: 1GCFC24M8V first of all i want thank all of you taking time to guide me. So what i noticed was after adding dye w/freon and driving it for couple of days i noticed dye around low side port under neath by the compressor. Then i removed the cap at the port and sure enoug...	19
	1999 Chevrolet Silverado 1500 5.3L bolts Got alot of responses on this. 90% said to use the oem bolts with anti-seize. Most said Stainless steel doesn't work well with aluminum. The torque spec is 18 ft pds. One response said to torque 15 ft pds (using the anti-seize) that sounded right to me. I als...	38
	2005 Chevrolet Silverado 3500 6.6L Hesitation, Misfire VIN: 1GCJK33215 Sorry to close without fix; running out of time though. Problem one; massive amount of water in fuel. Have to fix this first. Problem two; probably damaged injectors. I have to solve problem one first then diag problem two. I am still waiting on customer appr...	8
	2005 Dodge Durango SLT 4.7L MIL Lamp on VIN: 1D8HD48N45 We used a StarMobile with Witech software to install the current mileage from the dash into the PCM and the problem was gone.I think a snap on scanner will do the same thing.This normally only has to be done when a new PCM is installed.Both odometers read the ... Trouble codes: P0461.	5
	1991 Ford F-150 Custom 4.9L No Start VIN: 1FTDF15Y3M Well after checking all the powers and grounds I was leaning toward the ECM. I took the ECM out and took it apart. BINGO! There was a burn mark on the circuit board. Replaced the ECM and it fired right up. A big thank you for everyone who replied!	26
	2002 Ford F-250 Super Duty Lariat 7.3L Injector VIN: 1FTNX20F22 haven't fixed this one yet, will be checking the injector cup, glow pugs, and scoping the cylinders for raw fuel. thanks for the replies time is up for my post and will definitely post the fix when completed	16
	2008 Ford Taurus SEL 3.5L engine VIN: 1FAHP24W08 first let me say thank you to everyone who had input on this vehicle and it turned out that the vehicle was one tooth out of time on bank one replaced timing chain and this took care of this again thanks for all of your help.	6
	2011 Ford F-150 STX 3.7L No Start VIN: 1FTEX1CM3B I would like to thank all who responded.Frank and Ross expecially this truck had 120 ohms on the high speed network and 60 ohms on medium speed net work. on the high speed network when I disconnected the bcm the circuit went open,I was trying to figure out whi... Trouble codes: U0100, U0151, U0422.	12
	2008 GMC Acadia SLT 3.6L long crank time VIN: 1GKER33798 thanks for all the replies guys, it was the purge valve Trouble codes: P0171 (p0174-), P0174 (p0442-), P0442 (Po476-), P0476, P0700 (testing and results).	12
	2005 Lincoln LS Sport 3.9L Circuit VIN: 1LNHM87A45 Pin 28 did not pull voltage to ground I have dave and bill at identifix to thank for this info there was none for voltage test only for omh switch testing.. They got a like year car and completed know good test for us omg really wow is all I can say.	7
	2004 Mazda 6 S 3.0L Mechanical VIN: 1YVHP80D34 Replaced cable assembly again. Removed shifter assembly cleaned out and lubricated all parts. Has not malfunctioned since. Thank you for the replies.	2
	1991 Mercedes-Benz 300SL 3.0L Battery VIN: WDBFA61EXM FIRST OFF THANKS TO THOSE PROFESSIONALS THAT REPLIED TO MY HELP REQUEST. THE FIX ENDED UP BEING THE ELECTRICAL PART OF THE IGNITION SWITCH.KOEO HAD DRAIN AFTER 30 MIN COULD WIGGLE AND DRAIN WOULD DROP OFF. I AM POSITIVE THIS FIXXED THE DRAIN,NOW IF WE CAN CONV...	7
	2004 Mercedes-Benz ML350 3.7L brakes VIN: 4JGAB57E04 We sent vehicle to local MZB dealership for diagnosis. Our customer had turned front rotors when he replaced front brakes. We replaced front rotors and pads with OEM parts. Our work on the rear had used OEM parts. With all new OEM parts and another round o...	10
	2002 Subaru Forester S 2.5L at oil temp light flashing VIN: JF1SF65672 Well the customer took the car away. He has not told me if he figured out I will let you know if something comes up. Thanks to everyone who replied.	11
	2005 Subaru Baja Turbo 2.5L cam seals VIN: 4S4BT63C05 So...this one was pilot error. I mentioned the hollow bolts on the intake cam gears and wondered if they had anything to do with the leaking and they did. There are small caps that have to be bolted on top of the intake cam gear bolts. Since neither myself o...	8
	2006 Toyota Tundra SR5 4.7L transmission VIN: 5TBET34176 Hello all thanks for all the help.Customer just got back in the country. I have talked to him about the repairs he has desided not to fix the truck and sale. Thank you for your help. Trouble codes: P2440, P1441, P1444.	13
	2003 Volkswagen Passat GLS 1.8L Brake Booster VIN: WVWVD63B73 Thanks for all the help guys. I tested the brake booster with a vacuum pump to ensure it held vacuum at it held perfectly for 4 hours. I confirmed that the vacuum pump system was working through the module test and smoke tested the vacuum line system. I was be...	3

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