Automotive Technicians Technical Discussion and Fixes for Jan 26, 2015

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(Also Available: All, Asian, Chrysler, European, Ford, GM.)
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	Help Request	Answers
	2007 Audi A4 Quattro 2.0L Misfire, MIL Lamp on VIN: WAUDF78E37 Customer brought the car with engine light is on misfire codes on all cylinders & lean code,& customer said its blown a white smoke from the tail pipe on & off while he's driving , took the big hose off from the turbo & there's a lots of oil came off,,,both oi...	View
	2009 Audi A4 Quattro 2.0L Misfire, MIL Lamp on VIN: WAULF78K79 this car arrived from a local car lot with the check engine light on and a slight to moderate misfire at idle. On a cold start its almost not there. As it warms up it gets worse. By the time its up to temp, if you rev the motor a few times it really almost goe... Trouble codes: P0303	View
	2006 Cadillac CTS 3.6L Battery VIN: 1G6DP57776 I have a intermident 300 m amp electrical draw killing the battery,if i unplug the radio or the centre plug of bcm the draw is gone,the amp also is drawing slightly 50 m amp ,I have replace the bcm & radio,programmed all updates,there is no codes,everything op...	View
	1990 Chevrolet C1500 Cheyenne 5.7L Mechanical VIN: 1GCDC14KXL Hi and thanks for reading my post. This truck has a knock inside when accelerating when on the road and has very low power. It will not knock when in neutral and sitting in the shop. It's my son's truck and he says it just started while driving down the road. ...	View
	1996 Chevrolet Camaro 3.8L Misfire VIN: 2G1FP22K7T Vehicle sat for 5 years. Determined fuel pump was not working. Replaced fuel pump assembly, fuel filter and fuel tank due to enormous amount of rust. We also flushed fuel lines up to fuel rail. Vehicle started but initially ran poorly but smoothed out the long... Trouble codes: 90300	View
	2000 Chevrolet S10 4.3L misfire VIN: 1GCDT14W1Y truck came in to shop with p0300 random misfire.pulled plug wires one at a time and left cyl 5 and right cyl 6 rear both dead.had spark at cap to wire.runs on four cyl.plugs were not wet with gas so i put in spider injection and still have misfire.any help ple...	View
	2007 Chevrolet Avalanche LTZ 5.3L p0306 VIN: 3GNFK123X7 Hello. Thank you in advance. This 2007 avalanche is little pain. I am Japanese vehicle guy, not Chevy friendly. This truck had oil consumption issue before(internal burning, but owner want to leave as is as he topped oil regularly). Had P0306. swapped coil,plu...	View
	2002 Chrysler PT Cruiser Dream 2.4L cooling fan VIN: 3C8FY68BX2 Good afternoon. I have a pt cruiser with a high fan problem.Please read this all the way through. The pcm is not grounding the high speed fan when commanded by a scan tool. The high fan never comes on. The fan works on low and high when the relay is jumped. Re...	View
	2005 Dodge Ram 3500 SLT 5.9L ABS Light/Brake Light VIN: 3D7MS48C25 Brake fluid is full. E Brake is off. All speed sensors reading equally at all speeds. No codes and both lights are still on. Unplugged float on master and tested both shorted and not with no change to lights. Scanner shows ABS on and brake light off(it's on). ...	View
	2007 Dodge Ram 3500 ST 6.7L 5th gear VIN: 3D6WH48A77 This truck has the AS68RC Aisin Trans. It came in with several clutch packs wiped.Customer was running a programmer and we assumed the packs were wiped from to much torque.We rebuilt the trans and now it shifts fine but we still have trouble with K3 slipping i...	View
	2007 Dodge Nitro R/T 4.0L Hesitation, Cuts out, Stall, Jerk and bucking VIN: 1D8GU586X7 Hello gentlemen, My nightmare is back. I posted this vehicle once before, and one problem remained before the owner became impatient and took the vehicle. Now its back after deciding that it really has a hard problem to figure out because it is intermittent an...	View
	2002 Ford F-150 XL 4.2L Clutch VIN: 2FTRF17222 Hello all. This truck belongs to a friend of mine. He said he saw blue smoke when he was backing his trailer up a hill and said it was coming from the clutch/bellhousing. I pulled the transmission and the clutch had fallen apart. I ordered a new clutch kit fro...	View
	2005 Ford F-150 FX4 5.4L No Start, no crank VIN: 1FTPX14555 have this truck that was towed to our shop,customer states he was driving and it just shut off,it has power to inside of truck and to the obd connector.when you turn the key on the throttle body humms very loud and the truck will not crank. if you unplug the t... Trouble codes: U1950	View
	2007 Ford Explorer XLT 4.0L shift motor VIN: 1FMEU73E17 Hi all, i have a 2007 explorer xlt automatic 4wd that when you start off from a stop it is engaged in 4wd till about 40 mph. you have to let off the gas or it is clunking and whining all the way. i can see the shift motor plate pids are not matching they all s...	View
	2009 Ford Mustang GT 4.6L Computer Data Line Circuit VIN: 1ZVHT82H99 This 2009 Mustang Mach1 was towed in the shop last Saturday. The customer changed his own battery, drove for 100 yards and suddenly died on the road. The car has no crank any more! I checked the starter relay and found out there is no ground signal from the ...	View
	2005 GMC Sierra 1500 SLE 5.3L Evaporator VIN: 2GTEK13T55 Vehicle came in with a leaking heater core. Customer requested both heater and evaporator cores be replaced while the hvac unit was removed. I got the hvac assembly out. Heater core is a quick exchange. Im having trouble with the evaporator core. All data says...	View
	2007 Hyundai Santa Fe SE 3.3L MIL Lamp on VIN: 5NMSH73E47 I'm starting to get confused!! Fuel gauge works fine for a bit and then goes to empty with low fuel light on and codes get set. Read other posts on IATN and checked fuel level sensor and decided to replace. Same issue after replacing. Here's what I have now. D... Trouble codes: P0463 (Fuel level sensor A circuit high input), P0464 (Fuel level sensor A circuit inter.), P2068 (Fuel level sensor B circuit high)	View
	2003 Jaguar X-Type 2.5L Misfire VIN: SAJEA51D53 Ok guys, I am working to not go down a rabbit hole - and be standing over top of it like Elmer Fudd. MAF readings - Assisting fuel trims seem to be working well. Oxygen sensors are functioning. Upper sensor seems a bit lazy at idle. But after I install intake... Trouble codes: P0399, P1316 (Excessive emmissions or fault)	View
	2005 Land Rover Range Rover HSE 4.4L Power Steering VIN: SALMH11465 Hello, Vehicle came in with complaint of increased steering effort on cold start up. Goes away after driving down the road. Changed power steering fluid and reservoir. Issue is still present. Found TSB LM-211-011 related to excessive steering effort. TSB as...	View
	2006 Lexus RX330 3.3L MIL Lamp on VIN: JTJGA31U86 This code sets on slow accel only. The code says ecm doesn't see vss signal from cluster for more than .24 seconds, check for alternating voltage at ecm while spinning front wheels. Voltage stayed steady at 4.7v. Using techstream noticed front wheel speeds do ... Trouble codes: P0500 (Vehicle speed sensor a)	View
	2007 Lexus IS250 2.5L Starting Hi all, this car will turn over once, start and shut down immediately, as if the security alarm had been activated. If you disconnect the battery for a while it will do the same again. I don't think its the security because once it cranks and shuts off the che...	View
	2007 Mini Cooper S 1.6L timing VIN: WMWMF73567 Hello, I am working on 2007 mini cooper S (turbo) it was brought in for another shop Diag of #3 burnt valve which is what I found on a intake valve on cylinder three. I used a BMW tool to lock crankshaft and camshaft in timing via tool. I removed the cam sprok...	View
	2008 Nissan Frontier LE 4.0L No Start, no crank VIN: 1N6AD07W58 we received this truck as a no start.customer replaced coils and plugs said ran fine most of that day started to run bad that evening.the next morning no start no crank.he jumped with no change.we put on scanner no communications with ECM IPC BCM and IPDM..the... Trouble codes: U1000, P0725, P1705	View
	2014 Nissan Murano S 3.5L Pcm VIN: 5N1AT2MV4E My questions is: if I'll buy software from Nissan to reprogram blank PCM do I still have to call a local locksmith to adapt the key or when programming blank PCM it will be adapted itself. I do have CarDaq Plus + Nissan NERS software from previos cars. Than...	View
	2012 Scion tC 2.5L Starting VIN: JTKJF5C72C This vehicle is a flood victim. I can start it by applying power to the pin at the ecm that goes to the starter relay. It starts and runs and at no time do I have an indication of an immobilizer concern. If I try to start it with the button it starts cranking ...	View
	2001 Subaru Outback Limited 2.5L Charging VIN: 4S3BH68651 Hi guys, this outback came in with a no/slow crank concern. I tested the battery & it failed right. Replaced the battery & performed a charging system/ starting system test with my midtronics tester. Everything passed. Let customer go. 3 days later he came in ...	View
	1997 Toyota Camry CE 2.2L Fuel VIN: 4T1BG22K4V car came in with a hard/no start (multiple attempts to start in a hour long period by coust. to deliver car to shop) checked fuel pump and found it to be bad, bench test old pump and it would come on, then quit after a few seconds of run, and was very loud and...	View
	2001 Volkswagen Passat GLS 2.8L Misfire, MIL Lamp on VIN: WVWPH63B81 The car came in for a hard misfire on cylinders 4,5, and 6 I have tried swapping the injectors, tested coil under a load, replaced spark plugs and wires because wires were arcing, checked for compression has 150 psi, checked timing belt and timing chain timing... Trouble codes: P0304, P0305, P0306	View
	2001 Volkswagen Passat GLX 2.8L Poor Idle Quality, Misfire, MIL Lamp on VIN: WVWRH63B91 This one is kicking my butt. This car came in for oil leaks. The valve cover gaskets were puking and the spark plug tubes were full of oil. The check engine light was on and it had codes for misfires and cam codes. Unfortunately, the codes weren't recorded, wh... Trouble codes: P0346 (CMP sensor signal implausable), P0300 (Random misfire), P0306 (Cylinder 6 misfire)	View
	2002 Volkswagen Passat GLX 4 Motion 2.8L 1-2 shift VIN: WVWTH63B12 I got this car in to repair a failed timing belt, heads off for valve job, timing belt and related parts.Car runs great no codes but on test drive there is a thumping that sounds like around the rear of trans, front end of the drive shaft on moderate accel fro...	View
	2004 Volkswagen Jetta GLS 2.0L MIL Lamp on VIN: 3VWSA69M14 leaning toward an upstream oxygen sensor - anyone run into these before - what is normal range for o2's Trouble codes: P1142, 17550 (load calculation lower limit exceeded)	View
	2002 Volvo S60 2.4L Compressor VIN: YV1RS61R32 Comprssor cyl time short in warm wether 90 + scan pids show -40f on ambient temp.wear is ambient temp sensor ? is it evap sensor & is there a evap sensor on this veh.	View
	2010 Volvo XC60 3.2 3.2L rear end VIN: YV4982CZ7A have a 2010 xc90 I'm working on, drive it down the road and at about 20-30 mph you start hearing a slight howling coming from the rear of the truck. at 40 it's fairly loud! it's there on acceleration, coasting and braking. most on coast around 40mph and can't ...	View

Fixes & Summaries for All Makes and Models

	Fix/Summary	Answers
	1999 Dodge Ram 2500 Van 5.2L No Start, Stall VIN: 2B7JB21Y7X Thanks for all the replies, my suspicion of what was wrong with it was correct. I just needed to make sure others had seen this same problem before I went to the ecm. I did replace the ignition coil just incase that is what took out the ecm. I also found the w...	13
	2001 Dodge Ram 1500 Van 3.9L No Start VIN: 2B7HB11X61 I was leaning towards the PCM replacement, apparently pretty rare of a model to find used (not available). aftermarket reman is spotty. dealer is too expensive for this old can. Thank You for all the help.	7
	2001 Dodge Dakota Sport 4.7L Transfer Case VIN: 1B7GG2AN71 OK, this was/is a weird one. Before I posted this help request, I had already checked resistance of all 4 switch positions, and determined the switch to be ok. Upon replacing the module for the second time, I verified the integrity of the wiring between the T...	5
	1988 Ford F-250 XL 7.5L Fuel Tank VIN: 1FTHF25G0J CALLED AIRTEX FUEL PUMP TECH LINE & ASK IF THE PUMPS IN TANK HAD CHECK VALVES, HE CHECKED & SAID NO. I ALSO LOOKED UP THE DUAL FUNCTION RESERVOIR & ACCORDING TO IT'S OPERATION IT CLOSES SUPPLY & RETURN PORTS SO EVEN IF THE PUMPS HAD CHECK VALVES FUEL STILL CA...	21
	2002 Ford Taurus SE 3.0L No Start, Stall VIN: 1FAFP53U12 thanks for all the helpful ideas for this car. I was still unable to get this vehicle to act up all week. I wiggled every possible harness on the vehicle, nothing made a difference. Im leaning towards ignition switch. But the customer called this morning and s... Trouble codes: B1352.	13
	2002 Ford F-350 Super Duty Lariat 7.3L Oil Pan R&R VIN: 1FTSW31F72 THANX TO ALL. I pulled the turbo, gained all the height I needed by lifting motor w/cherry picker from normal lift points & still had 4" oil pan to frame clearance to spare. Pan was in my hands in about an hour. This just seemed like the whole process took lo...	13
	2006 Jeep Commander 3.7L Unknown VIN: 1J8HG48K96 we rebuilt transmission because tcc did not work than when we got it back together we found out why the tcm eas the problem	6
	2002 Mercedes-Benz S430 4.3L Lighting VIN: WDBNG70J52 after taking a closee look & compare both the old & the new Sam Module part #,it was the wrong one , called the dealer & they send me the correct one, install the new sam module & all good now	4
	2004 Mercedes-Benz SL500 5.0L Convertable top VIN: WDBSK75F24 Thank you for all the replies. the problem turned out to be the hyd. strut that opens the trunk to accept the roof had come off the pin that is part of the framework for the trunk. The pin was bend dowmward. At the same time it damaged the limit switch that is...	4
	2007 Mitsubishi Endeavor SE 3.8L No Start VIN: 4A4MN31S57 The fix was the ABS control module was causing the system to not respond and the no-start to occur. The dealer gave me little details as did the owner but there was a large complaint lodged at me (go figure) that it cost the customer $2700 to repair.	11
	2008 Saturn Vue XR 3.6L Timing Chain VIN: 3GSDL73798 thank you for all the help. we talked to customer and she agreed to let us pull the chains. we actually removed the engine sub frame and all then did chains. we matched up chains and sure enough the were all a little longer than the new. we installed new c...	19
	2001 Subaru Outback L.L. Bean 3.0L Drive belt VIN: 4S3BH806X1 Hey all, thanks for the help and replies, this one may or may not be fixed, time will tell. I checked everything again and more, also checked crankshaft end play while the vehicle was in R&D under load with absolutely no deflection. I ended up getting the ok...	17
	2005 Subaru Outback i 2.5L MIL Lamp on VIN: 4S4BP61C65 Thanks for all the help. Most replies lead towards bad connections, wiring or pcm. Vehicle went to the dealer and got a pcm and all is well Trouble codes: P0050 (B2S1 A/F heater circuit fault), P0154 (B2S1 no activity).	13
	2003 Toyota Matrix 1.8L compressor VIN: 2T1KR32EX3 OK, The top bolt backed out and allowed the compressor to stress the lower mounting area braking the block. The engine runs perfectly. No noise , just oil leak. My repair for this one was to remove the a/c compressor permanently, then take the broken piece of...	12
	2008 Toyota Avalon XLS 3.5L Cooling Systems VIN: 4T1BK36B68 WE DECIDED TO PUT ANOTHER THERMOSTAT(OEM) AND VACUUM FILL THE COOLING SYSTEM AND GAVE VEHICLE BACK TO THE OWNER AND ADVISED TO REPORT ANY CHANGES. THANK YOU TO ALL THOSE WHO TOOK THEIR TIME TO HELP OUT. IATN ROCKS!!	23

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