Automotive Technicians Technical Discussion and Fixes for Aug 19, 2013

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	Help Request	Answers
	2002 BMW 530i 3.0L Right Turn signal VIN: WBADT63442 Vehicle came in with the right turn signal staying on when key is turned to position 1 or/and 2 position. disconnected the turn signal switch socket and still flashes on the right side. Installed the new switch and stopped for five seconds and went back to fla...	View
	2002 BMW X5 3.0i 3.0L Abs/Dsc VIN: 5UXFA53592 I am getting an intermittent DSC/ ABS / Brake light (RED) . When I try to watch the wheel sensors with my launch the readings all seem extremely high at all 4 wheels. At 30 MPH my readings are about 340 kph (around top speed of the speedometer) and then I lose...	View
	2005 BMW X3 2.5i 2.5L Cuts out, Misfire VIN: WBXPA73465 I have this vehicle that "feels" like it is misfiring under a load and only under a load at any speed. It will set zero codes. I just fixed a lean code on this car due to a faulty MAF. Performed a hard battery reset. Reset transmission adaptions. Ohm all fuel ...	View
	2007 Cadillac DTS 4.6L Misfire, MIL Lamp on VIN: 1G6KD57907 To all valued techs This caddy has a misfire between 1500 to 2000 rpm only on bank 1.It sets P0300 but on the misfire screen on tech2 you can see misfire counter climb on 1 3 5 7 cylinders but you do not feel a misfire. When that happens the fuel trim goes i... Trouble codes: P0300 (multiple misfire bank 1 on this car)	View
	2000 Chevrolet Suburban 2500 LT 6.0L Alarm VIN: 3GNGK26U2Y Howdy. I have this Suburban that sets off the alarm every time you unlock the doors with the key. Customer does not have any factory remotes. It doesn't matter if you lock the doors with the electric switch inside or lock them with the key. Every time you try ...	View
	2000 Chevrolet Express 2500 5.7L Poor Idle Quality VIN: 1GCGG25R8Y Ok so this Express van is really throwing me for a loop here. The idle is at about 2270 rpms in park. I changed the IAC motor last time and cleaned out the port it sits in. Engine ran fine for the last 3 weeks but now its back again with the same issue of a hi... Trouble codes: P0507 (Idle speed control)	View
	2001 Chevrolet S10 LS 4.3L Brake Lamps VIN: 1GCDT13W01 This is not a request for help more than telling what I found and fixed. I had a 01 S10 pickup in for on lower brake lamps and the third worked. I found out at A1 connector to the multifunction switch I had no power. So I looked into the vehicle side of the co...	View
	2003 Chevrolet Monte Carlo SS 3.8L Misfire, MIL Lamp on VIN: 2G1WX12K13 The vehicle came in the computer was scanned code P0300 was the only code in the computer. The customer mentioned that the vehicles check engine light will go on and off. The code before was always the P0300, the customer said that the vehicle has only run rou... Trouble codes: P0300 (Random Misfire)	View
	2004 Chevrolet Tahoe Z71 5.3L forward shifts, 4kcd/9kcd Customer came in with bad transmission (slipping, burnt fluid)and said he had another transmission from a wrecked truck. His truck is an '04 Tahoe Z71 and the other transmission is from a 2000 Silverado Z71. I noticed that the electronic box on the shifter stu...	View
	2007 Chevrolet Trailblazer LT 4.2L timing chain VIN: 1GNDT13S57 how do you release the timing chain tensioner without removing the timing cover,	View
	2008 Chevrolet C5500 Kodiak C5V042 6.6L shutdown VIN: 1GDE5C39X8 after truck runs for awhile the auto shutdown light comes on which is usually for oil pressure or coolant reasons, and truck shuts down but will restart immediately and run fine for another 30 min or more before shut down. new coolant reservoir and oil pressur...	View
	2011 Chevrolet Silverado 3500 HD LT 6.6L MIL Lamp on VIN: 1GC5K0C85B I have this 2011 Chevy 3500 6.6L Dmax that has DEF problems. It kept setting P20EE and P249D. It will set into a power cut down mode and the truck will only run 55 mph. I checked a few things and did a ECM reflash. This seemed to fix the truck... until the nex...	View
	2003 Chrysler 300M 3.5L Instrument Cluster VIN: 2C3HE66G53 Thanks in advance, I have a 300M that is driving the customer crazy.. the dash lights work intermittently, I am unable to receate the problem at will, customer states that some mornings they work and the next day they don't, there is no set pattern. I have che...	View
	2004 Dodge Durango Limited 5.7L 4lock, Svc, 4wd, 4lo VIN: 1D4HD58D04 Hello Thanks for taking the time to view this post. Customers complaint is: 4Lock, SVC, 4WD, 4LO lights on instrument cluster stay on all the time. This is a 2WD vehicle. Scanned for codes and Cluster had a stored code C1402-Transfer range select switch circu...	View
	2004 Dodge Durango Limited 5.7L Poor Idle Quality, Misfire VIN: 1D4HB58D94 This vehicle had rough running problem before we ever touched it, customer states the dealer told him that you can not run platinum plugs in this engine??? Has anyone ever heard of this and if so why? From what little I have checked so far cylinders 1,3,5,&7 a... Trouble codes: P0132 (voltage high on sensor 1 bank 1), P0300 (random misfire cyl 1 3 . 5 7)	View
	2007 Dodge Magnum SE 2.7L fuel level VIN: 2D8FV47T37 customer states fuel level erractic, code p0462 car came in almost with full tank, both level sensors read with 150 ohms of each other, cant find any test methods on in tank level sensor testing, all test show no issues we have cleared the code awhile ago and ...	View
	2008 Dodge Sprinter 2500 3.0L brakes VIN: WDWPE84568 van came in with brake light waring light on and we turned rotors and installed new pads and we went to test drive and van wouldn't stop like it is supposed to we scamed it had a code 2209 but I cant seam to be able to find and info with that code at all and t...	View
	1996 Ford Bronco Eddie Bauer 5.8L Pressures VIN: 1FMEU15H0T came to me with low 134a. I evacuated system and recharged. Pressures where: low side 50 psi high side 300 psi. outside temp 80 deg. night time. day time 90-100 pressure 60 psi low side 350 psi. Vent cooled to 80 deg. center vent. Replaced clutch fan. problem ...	View
	2005 Ford F-250 Super Duty King Ranch 6.0L Poor Idle Quality, Surge, Stall VIN: 1FTSW21P65 Runs good under load, after hard run, will idle up and down for a while. Also after revving up in park it will idle way down like running out of fuel and then pick back up. Pulled egr valve and it has some carbon on it but not much, ran with egr removed and ra... Trouble codes: P0299	View
	2006 Ford Expedition XLS 5.4L Poor Idle Quality, Hesitation, Cuts out, Stall VIN: 1FMPU13566 Found a code p0104 mass air flow sensor. replaced mass air flow sensor, vehicle drove fine for about 2 days. Vehicle came back stalling and poor idle no codes. Found long term fuel trim when symptom occurs as much as 15%. Long story short, replaced fuel pump, ...	View
	2011 Ford Escape Limited 3.0L Poor Idle Quality VIN: 1FMCU0EG8B Hello to all, We have this Escape that acts up only for customer. It intermittently has lack of power and wrench light come on with no codes present. I know it has to do with the TAC system but can not duplicate and she has had it happen to her more time than ...	View
	1992 GMC C2500 Sierra SLE 5.7L aldl VIN: 2GTGC29K7N hello all having issues with communication have tried two scantools no comm, have tested wires from aldl to pcm all are good except one that goes to the trans then splices and goes to pcm for tcc driver? unplugged the harness at trans still no comm. could that...	View
	1992 GMC C2500 Sierra SLE 5.7L Poor Idle Quality, Stall VIN: 2GTGC29K7N hello all this one is driving me to insanity, seems to be running lean, idles rough and stalls at times, can spray some brk cleaner into throttle body and will smooth out, seems worse cold found some vac leaks at t.b but no change, have smoke tested no leaks f...	View
	2000 Honda CR-V LX 2.0L MIL Lamp on VIN: JHLRD1747Y Just wondering if any one has run into this . This code only sets after the vehicle has been sitting in the hot Idaho sun for a long period of time. So that passenger compartment temp is sky high. Sets code P1337 right on start up. Never fails to start just tu... Trouble codes: P1337 (Ckf sensor circuit no signal)	View
	2001 Honda CR-V SE 2.0L ABS Module VIN: JHLRD18751 My customer brought in this CR-V with the abs light coming on intermittently. I hooked up my scanner and found no codes. I pulled up data and began to drive as soon as I hit 5 mph I lose communication with the abs module and the abs light turns off. If I shut ...	View
	1994 Jeep Wrangler Sahara 4.0L MIL, Upshift VIN: 1J4FY49S1R Customer repo'ed vehicle and immediately swapped engine for reman crate. Installation looks clean and all wiring was re-loomed to eliminate tattered OE loom. Customer connected battery and saw MIL, Upshift lamp and seat belt lamp were on with key in his pocket...	View
	2001 Jeep Wrangler SE 4.0L No Start VIN: 1J4FA59SX1 Customer had a normal starting & running 4.0L but the oil pressure was 6psi at hot idle. So he and his buddy install a stroker engine (4.6L) from Golen Engines. Included are 6 new larger 24lb injectors. No programing required. They get the engine started & bre...	View
	1999 Land Rover Discovery Series II 4.0L air suspension VIN: SALTY1248X I have read a couple references to repairing air lines, or adding a fill valve to the rear suspension. My customer would like me to install a fill valve, but the air shock line kit I got is about 1/16". The factory lines appear substantially larger. What is ty...	View
	2000 Land Rover Discovery Series II 4.0L engine VIN: SALTY1246Y I'm getting a surprising amount of disagreement from my shop owner on this one - This car has clearly been neglected, I've replaced some of the obvious, egregious cooling system faults (radiator, questionable thermostat, water pump). It has stopped overheating...	View
	2005 Land Rover LR3 SE 4.4L MIL Lamp on VIN: SALAE25485 We have this lr3 and it will set a 171 and 174 at idle without even driving. This was noticed after the park brake module was replaced so we smoke tested all the evap lines and intake and found nothing for vac. leaks. checked and cleaned the maf. Thing is it w... Trouble codes: P0171, P0174	View
	1996 Mazda Miata 1.8L Poor Idle Quality, Stall VIN: JM1NA3536T We have this 1996 Miata that is well mentained. It stalls very intermittently when coming to a stop, but only when in gear. When it is acting up if you put it in neutral it idles smooth, but if you put it in gear it will slowly idle to a stall. Its not cutting...	View
	2002 Mazda Tribute DX 2.0L Engine VIN: 4F2YU07B52 Hi, everyone. This mazda came in due to lost of power, (busted cat. )and cluged exhaust system. Had installed after market cat. Have some improvement ,but when we accelerate fast or i can say normally , falling on his face ! no check engine light comes on, if ...	View
	1988 Mercedes-Benz 300E 3.0L low fuel pressure from fuel distributor VIN: WDBEA30D9J Vehicle ran out of gas and pulled air in the system and would not restart --(After putting gas in) tried to bleed the air out of the system with some success. fuel pressure going into the dist. is 80 / 85 PSI, coming out to injectors is only approx 20 PSI. Rep...	View
	2008 Mercedes-Benz E350 3.5L engine chain timing VIN: WDD2110561 First,thanks for reading this help request. Car came in workshop with severe overheating and coolant loss.We diagnosed bad cyl head gaskets on both cyl banks.First time to do this kind a job on 350 gasoline engine so we went extremely careful speccialy because...	View
	2003 Mercury Marauder 4.6L No Start, Hesitation, Cuts out, Misfire VIN: 2MEHM75V33 car miss fires under load and boggs down when trying to drive and has no power when driving also hard to start after sitting. engine also smokes sometimes from tailpipe	View
	2003 Mini Cooper S 1.6L intermitten no start VIN: WMWRE33483 i cant duplicate the owners no start but when owner gets the car with in a week inter mitten no crank no start	View
	2001 Nissan Quest GXE 3.3L MIL Lamp on VIN: 4N2ZN15T81 Customer came to me wanting AC repaired. Tested and find no Freon and no leaks. Then tested radiator and find its temp too high. Advised to do radiator first and other needed problems fixed. Mil is own so when tested find knock sensor code and O2 code. She sai... Trouble codes: P0325 (Knock sensor B1 problem), P0140 (O2 low activity B1 S2)	View
	2007 Pontiac G6 GTP 3.6L Misfire I just inherited an 07 G6 GTP from another tech. It has a misfire on all bank 1 cylinders(1,3 and 5). We have checked all the basic things, swapped coils, injectors, spark plugs. Checked compression and leakdown, normal results. Had the upper intake off and no... Trouble codes: P0300 (Misfire on cylinders 13 and 5)	View
	2004 Porsche Cayenne 3.2L Power Loss complaint VIN: WP1AB29P94 Hello Porsche Techs, Due to the code which isn't real specific, we are thinking either the Vanos is defective or camshaft timing is off? Has anyone run into the code (P0018) before?...if so what was the fix? Thank You in advance... Trouble codes: P0018 (Inlet Camshaft Position correlation in relation to Crankshaft Bank 2)	View
	2011 Subaru Legacy 2.5i 2.5L can't shift from dirve to park VIN: 4S3BMBC68B the ck eng, abs lites all stay on, when u put the car in gear u can't put it back in park unless u push the over ride button on the shifter i think mybe bad ground or low power supply make loss of comunication not sure were to go from here thanks	View
	1997 Toyota T100 DLX 3.4L lock-up VIN: JT4UN22D6V installed reman toyota unit and problem still there,next solution i believe would be a computer. any info would be greatly appreciated	View
	2001 Toyota Corolla CE 1.8L Engine VIN: 1NXBR12E11 Vehicle came in with a rattle noise from the top end area. Noise happens more prevalent under load, when vehicle is in Drive, loaded to just about 1100 rpm+. Removed valve cover and found timing chain loose, tensioner would move in and out (the ratchet mechan...	View
	2000 Volkswagen Golf GLS 1.9L No Start VIN: WVWGF21JXY It will not suck any fuel now on the intake side of the pump I checked for flow from the tank all the way through the filter.It seems the pump is bad but I don't want to make a mistake on this Thanks Gus	View
	2000 Volkswagen Beetle GLS 2.0L fuel filler VIN: 3VWCC21C5Y so I replaced charcoal canister and the valve that slides into the side of the filler neck and the car will still not fill steady. I blew air through both lines coming off the bottom of the filler neck and they were clear. there are 2 more check valves of some...	View

Fixes & Summaries for All Makes and Models

	Fix/Summary	Answers
	2003 BMW X5 3.0i 3.0L Ride Hight VIN: 5UXFA53593 Ok, thanks alot on the replies, First the compressor was burnt up , so I wanted to see if the problem was with the air bags on the struts because of the age of the car. I made a very simple air chuck setup that allowed me to put shop air to the whole system an...	5
	1998 Chevrolet Corvette 5.7L CD changer VIN: 1G1YY22G8W We were unable to duplicate the problem. Customer picked up car and has not had problems since. I still feel it was a deck issue but may never know.	4
	2005 Chevrolet Silverado 2500 HD 6.6L Excessive Emissions, Hesitation, Poor Fuel Economy VIN: 1GCHK232X5 Thank you for your help on this one but after a couple of emails from Brendle, he made it clear that I was in over my head on this one and it needed to go get the ECM flashed to start with. This may not be the issue but I can find no hard faults with any senso... Trouble codes: P0101 (Maf sensor performance), P0299 (Turbo charger under boost), P0401 (Egr flow insifficient), P0404 (Egr position sensor open), P1404 (Egr closed position performance), P0045 (Turbo charger boost control solenoid).	3
	2000 Ford Explorer XLT 4.0L the VIN: 1FMZU73X2Y found it.. it was on the module thanks for all the help!!!	13
	2006 Ford F-150 XLT 4.6L No Start VIN: 1FTRX02W86 AFTER TESTING WIRES AND CHECKING GROUNDS. WE STARTED TO FIND BURNED WIRES AND PCM CODES WOULD COME UP EVERYTIME WITH KOEO TEST. SO WE ASKED CUSTOMER IF THIS ALL HAPPENED AT ONCE OR DID TRUCK START RUNNING BAD BEFORE THIS STARTED. CUSTOMER THEN TOLD US THAT LIG... Trouble codes: P1233.	13
	2007 Ford Escape XLT 3.0L brake performace, and module communication VIN: 1FMYU03167 Thanks for all the replies. The vehicle is as fixed as it is going to get. The tone rings were all in great condition. Reprogrammed the module, replaced the shoes, shifted the rear cradle and let it go at that. It still isn't right, but it has definetly ch...	16
	2007 Ford Freestyle SEL 3.0L Duct temps VIN: 1FMZK02157 Kind of just let this one go. Customer doesn't have a problem with it as long as outside temps stay below 95. I will stay in touch with the problem,as I very curious about this.	7
	2010 Ford E-450 Super Duty 6.8L odometer VIN: 1FDXE4FSXA Thanks for the help. The owners manual first revision does not talk about this paticular cluster but the third revision online does. I gave the info to the owner to try. Will update if it works or not, if not I will call Ford customer care and see what they...	3
	2004 Honda Accord EX 3.0L 2-3 shift VIN: 1HGCM66554 Thanks to all the fine IATN Techs out there. After lots of head ache, sent the original transmission to the transmission shop for repairs, customer is mad of the delay and we are aggravated for all the time wasted.	10
	2009 Honda Odyssey EX-L 3.5L No Start VIN: 5FNRL38699 Thanks for all the replies. Turns out that I am a moron!!! I had removed a bracket that I thought held the motor, turns out it is the fuel pump ground (among other things). Bolted that baby up and vroom. No more beers at lunch!!	10
	2004 Hyundai Santa Fe GLS 3.5L Power steering VIN: KM8SC73E34 Fixed! Whew...long road. We fabricated a pressure gauge to the pressure hose with a shutoff valve and tested it. Cold we had 100 to 200 psi at idle and 1100 psi when closing the valve (spec. is 1100 psi). Hot the pressure at idle dropped to almost nothing but ...	8
	2002 Isuzu Axiom 3.5L HVAC control VIN: 4S2DF58X22 This was interesting, the fix was a new HVAC main relay, I had the blower motor disconnected and then I had some function of the HVAC control, yet display was still flashing, was checking power at relay, re-installed and system worked. Swapped relay with AC c...	3
	2003 Jeep Liberty Sport 3.7L Electronic VIN: 1J4GL48K93 Well the vehicle is fixed. I installed a new transfer case position sensor as everyone suggested and all is well. Mitchell's wiring diagram shows it as being a switch and this is not correct. It is a senor or some sort of multi staged resistive switch. I f...	7
	1993 Mazda MX-6 LS 2.5L R-H Power Window VIN: 1YVGE31B1P Still have car at shop cust. looking for used parts. Need r-h side switch, before I can go any futher	7
	2003 Mercedes-Benz E320 3.2L Wheel Speed Sensor/ Reluctor VIN: WDBUF65J43 Thank you everyone that replied. Most replies were right on the money. The reluctor is built into the seal. You could lay two seals in front of me, one with a reluctor and one without and I would not be able to tell the difference. I installed the seal too dee...	10
	2001 Mercury Sable GS 3.0L blend door VIN: 1MEHM55S11 thankyou so very much for your efforts to help me with this problem. i have not seen the sable seince posting this help request but expect to at some point. I will update this message when I can have the car back for some more testing. thanks again	14
	1999 Nissan Maxima GLE 3.0L Timing Chain VIN: JN1CA21D1X Thanks to those who replied, not a ton of response. 2 mentioned a gasket between rear timing cover and block that leaks and starves tensioners for oil, have to get the cover to get the gaskets. 1 mentioned that this is a common problem and recommended replacin...	5
	2008 Saab 9-3 2.0T 2.0L rear turn signal VIN: YS3FB49Y18 Unfortunately we have to close this one without a fix. With limited information and access, we had to return the vehicle to the customer. Thank you to all who replied	6
	2006 Saturn Vue 2.2L Interior VIN: 5GZCZ33D76 THANK YOU EVERYONE FOR YOUR REPLIES. THE PROBLEM ENDED UP BEING THAT THE NEW IGNITION SWITCH WAS STICKING AFTER YOU WOULD START THE CAR. IT WOULDNT RETURN BACK TO THE RUN POSITION AFTER YOU LET GO OF THE KEY FROM STARTING IT. WHEN IT WOULD STICK INBETWEEN THOS...	8
	1997 Toyota T100 DLX 3.4L Misfire VIN: JT4UN22D9V Wow its fixed. Over time the problem got worse. Now it will not even start. Found very erratic spark and injector pulse. Scoped IGT and IGF signals very erratic re ck all powers and grounds all good. Suspect ECM. Found one on ebay installed runs like a CHAMP! ... Trouble codes: P0300 (Random Misfire), P0301 (1 Cyl. Misfire), P0302 (2 Cyl. Misfire).	10
	2001 Volkswagen Jetta GLS 1.8L MIL Lamp on VIN: 3VWSC29M91 Unfortunately, This one is not fixed. We tried recoding the module and the coding would not take. We even had a mobile module coding service come out and try. We were both surprised that it would not work, as we both had done this on mk3 jettas successfully...	11
	2003 Volkswagen Passat W8 4.0L leakage VIN: WVWUK63B73 We pulled the transaxle out again, sent the torque converter out for pressure testing. It had no leaks. I had a transmission shop take a look at this trans. They took the front pump apart, checked the TC bushing-it was fine, and replaced the pump o ring-it ...	5
	2003 Volkswagen Passat GLS 1.8L MIL Lamp on VIN: WVWPD63B33 THANK YOU GUYS AND SORRY .I WAS ON VACATION. THE PROBLEM WAS THE BYPASS VALVE WAS LEAKING .SO I REPLACE IT CLEAR THE CODE .THANKS AGAIN	11

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