Automotive Technicians Technical Discussion and Fixes for Jul 10, 2013

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	Help Request	Answers
	1999 Audi A6 Quattro 2.8L Charging VIN: WAUDA24B3X Long time customer towed-in his son's recently purchased Audi A6 Quattro Wagon with a non-charging alternator & both Alldata & OnDemand speak to a "special tool" to locate the lock carrier?? in position after I remove the bumper cover. Having never r&r'd an A6...	View
	2005 Audi A8 Quattro 4.2L MIL Lamp on VIN: WAULL44E95 Hi all, I have this 2005 Audi A8 with an intermittent EML light coming on dash. the only code in the engine computer is this P1171 for the throttle angle sensor. I replaced the sensor, and the code has returned. Has anyone seen this issue? Is there a relearn ... Trouble codes: P1171	View
	2000 BMW X5 4.4i 4.4L Rear Camber VIN: WBAFB3347Y Hoping someone can offer diagnostic / repair advise here: Can't achieve less than -2.8 degree camber on right rear through adjustment. Spec. is -1.8 and left rear is -1.8 This one has rear air springs. Ride height is correct and even. No detectable play in bu...	View
	2004 BMW 525i 2.5L Unknown VIN: WBANA53544 Hey folks! How's everybody doing? Me, not so good! As I always like to take a challenge on cars with difficult problems, this one I don't even know where to start due to lack of info. Customer complaint about trans. going to fail safe mode . Drove the car for ...	View
	2008 BMW 328xi 3.0L all VIN: WBAWC33598 Vehicle has intermittent no battery power whatsoever, has happened twice before and all power returns after a short while and will start, this occasion did not return-have placed donor battery at engine bay power points and at battery connectors-no power getti...	View
	2013 BMW X3 xDrive28i 2.0L starting ,no locking system radio ntot working VIN: 5UXWX9C51D how do I test or reset this car it is a flood car	View
	1980 Chevrolet Citation 2.8L Mechanical VIN: 1X687A6204 all right guys, got one that is making me feel stupid. car is pre-computer. car came in as a no start. customer said day before no start, they did a 170 mile trip and ran great. next morning car was a no start, customer had tried a different module and coil. a...	View
	1987 Chevrolet V10 Custom Deluxe 5.7L Hesitation, No power upper RPM VIN: 1GCEV14K5H Idles good, when accelerating, can`t reach high rpms, acts like it has a rev limiter or timing retards, code 43 not usually present, I set timing to 0 with no improvement, set at 4, then can reach slightly higher rpm but code 43 set at full throttle. Fuel pres... Trouble codes: 43 (testing and results)	View
	1994 Chevrolet C1500 Suburban Silverado 5.7L No Start, Cuts out, Stall VIN: 1GNEC16K3R Every once in a while, this throttle body suburban will cut out, usually in traffic after a stop. Restarts quickly after cooling off everytime and I have not been able to duplicate no start. It seems ignition related. The coil and dist pickup are the only thin...	View
	1998 Chevrolet Malibu LS 3.1L Dash Lights VIN: 1G1NE52M2W Ok here we go agian, car can in on 5/23/2013 no dash lights. We found that the 10amp fuse for the ip lghts was blowen. Dead short as soon as we put in a fuse and turned on the lights fuse would blow. Disconnected the dimmer module and fuse would not blow. Ohms...	View
	2004 Chevrolet Silverado 3500 6.6L No Start VIN: 1GBJK39154 hi guys, truck was brought in for no start unless you spray it with starting fluid(i know) I have checked vacuum pull from pump,has 8" of vacuum. Vacuum tested supply line across engine to filter. if i prime filter it takes approx.9 mins to go from 10psi to 2p...	View
	2005 Chevrolet Silverado 2500 HD 6.6L MIL Lamp on VIN: 1GCHK23265 Truck came in for CEL. Codes P0046 and P2563. Also for a regular oil change. Customer is a regular that maintains truck. I researched the codes and diag procedure. The actual and desired position of the control solenoid and sensor do not match. I did the tes... Trouble codes: P0046 (Turbo Boost Control Position Performance), P2563 (Turbo Boost Control Position Sensor)	View
	2008 Chevrolet Colorado WT 2.9L Hesitation, Cuts out, Stall VIN: 1GCCS14958 Hello IATN world. I have the pleasure of woking on a 2008 Chevy Colorado with a 2.9l. The vehicle starts great cold but as the vehicle warms up to temp there is a slight misfire between 1500-2000 rpm, not enough for the pcm to reconize. After a hot soak, try t... Trouble codes: P0106, P0300	View
	1999 Chrysler 300M 3.5L Blower control unit VIN: 2C3HE66G7X Thanks to everyone for there ideas on this one!! We have a 300m that keeps toasting blower motor control modules (auto a/c) we have replaced the module multiple times and have even put a new blower motor in it. it keeps taking out the controller and were not s...	View
	1999 Dodge Intrepid 2.7L Died, then No Crank VIN: 2B3HD46R6X Vehicle stalled while driving and would not crank nor start. Towed to shop and we found we could bypass the starter relay and crank the engine fine, but no start. Checked all fuses and fusible links as good. Checked for codes - no codes - but we do have commun...	View
	2003 Dodge Grand Caravan SE 3.3L Door locks VIN: 1D4GP24333 Hi Everyone, I looked this up on Identifix. They said test resistance of wires 11 and 27 on BCM plug C2 to ground. Less than 1000 ohms fix wire, otherwise replace BCM. Following the Chrysler troubleshooter for this code on Alldata leads to the same conclusion....	View
	2001 Ford F-150 Lariat 5.4L Pats VIN: 1FTRX17L61 Good Day Gentlemen, Customer called and said his keyless entry key fobs won't lock/unlock doors. He said he has 1999 F150 with same engine combo as his 2001 F150. Up to this point the vehicle,he says was running good with starting problems whatsoever. He took...	View
	2003 Ford F-250 Super Duty XLT 6.0L No Start, MIL Lamp on VIN: 1FTNX21P43 I am NOT a Diesel Tech! Have NOT done anything with Diesels since 1989! Please forgive me in advance with my words or descriptions. Came in as a NO-GO. Found many codes, P0232 P0284 P0401 P0404 P132B P2284 P2285 Not all hard codes, Hard Codes were, P0232 and P... Trouble codes: P0232 (Hard code-- f/pump secondary circuit), P2285 (Hard code-- injector control pressure sensor)	View
	2005 Ford Escape Limited 3.0L no crank VIN: 1FMCU04145 hi group.2005 escape no crank no start.this vehicle was hit on left front.have no communication with computer have cked all fuses.message on dash when turn key on ,shows service brake system,high engine temp,also have no ck engine light on dash.cked wiring whe...	View
	2005 Ford Escape XLT 3.0L no communication VIN: 1FMYU03165 Well hello. Have a fun one here. This 05 Ford Escape came in with the cluster inop. Now the tach,speedo and coolant gauge won't move,the fuel gauge does. all the warning lights will stay on. This all happens when its running.The truck runs fine. Checked for co...	View
	2005 Ford F-150 FX4 5.4L Brakes VIN: 1FTPX14545 Installed New Brake Pads and New Rotors. Brake Are Soft and When Pressure Is Applied Steady The Pedal Goes To Floor. Bleed Brakes and No Change. Installed New Master Cylinder Thinking We Messed It Up. Bleed No Change. Bleed Brake With Snap On Scanner. No Chang...	View
	2006 Ford E-250 4.6L Misfire, No power VIN: 1FTNE24W76 Hey guys,need some help on this one. 06 ford e250 4.6,came in with 164,000 miles on it,vehicle misfires slightly,has no power and no codes,i removed cats seems to be a little better but cant really get a good read on the performance with the open exhaust,dont ...	View
	2006 Ford E-350 Super Duty 5.4L Excessive Emissions, No Start VIN: 1FTSE34L96 This is a comercial vehicle has a lot of highway use, the problem is the vehicle will start and run fine no codes, runs smooth for having 400,000+ miles. It stars and runs but as soon as it get hot and you shut it off, in order to get it started you have to ho...	View
	2006 Ford Taurus SEL 3.0L power steering pump VIN: 1FAFP56U76 Hello everyone, hope your day has been better than mine. Got this 2006 Taurus with 2 noises, first noise is a fairly loud hum in gear with light brake torque at 900 rpm. this is the customers complaint, the second noise I can get the car to make by light brake...	View
	2007 Ford Focus SES 2.0L lower mode door VIN: 1FAHP34N07 You can get the door moving but once you leave it over night and it will be stuck again. Tryed lubing the linkage but no change.	View
	2007 Ford F-150 XLT 4.2L Poor Fuel Economy VIN: 1FTRF12207 Hello guys, Sorry for this Post. Not sure How to address it. I have a Very good customer with a fleet of trucks. He believes this truck had gotten 400 miles on a tank of fuel and is now getting 300 miles per tank. I have gone through this thing several time...	View
	2008 Honda Civic LX 1.8L Unknown VIN: 1HGFA165X8 Thanks in advance. Have this civic that has been causing us and a few other shops some grief. The original complaint was the a/c compressor stayed on. We replaced the a/c relay and heater control head. At that point the a/c would cycle on and off as designed. ...	View
	2004 Hyundai Sonata GLS 2.7L evap large leak VIN: KMHWF35H14 vehicle came in with a p0455 and p0449. changed canister closed valve solved the p0449.car was smoke tested and no leaks found also tested purge solenoid good. any help woukld be appreciated	View
	2003 Kia Sedona EX 3.5L refrigerant VIN: KNDUP13173 Thank you in advance for any air conditioning expertise you can share with me. The family that owns this van spent about $1000 trying to get the A/C fixed in 2012: first at a quick-lube place, then at a tire store, and finally at a Kia dealership. The Kia deal...	View
	2004 Land Rover Freelander HSE 2.5L Lighting VIN: SALNE22264 So this isue with brake lights is extremly intermitant, the updated brake light switch and harness have been replaced, what happens is the brake lights stop working and the decent and tcs light come on the dash there is no ryme or reason as to when this will h...	View
	1993 Mercedes-Benz 300SE 3.2L Poor Idle Quality, Stall VIN: WDBGA32E9P I have this 300se with idle trouble. I have replace the throttle valve with a rebuilt unit from BBA reman.It has been back to them twice and the last time they sent a different unit but I still cant get a idle.At first the engine would surge up and down at idl... Trouble codes: 048 (Potentiometer m16/1r1)	View
	2006 Nissan Maxima SL 3.5L Nats VIN: 1N4BA41EX6 Car towed in with no start. We found NATS system faults P1610 and P1612. This is the first time we've seen the vehicle so we have no history. The customer bought the vehicle used in Feb. She said that she has had other symptoms recently affecting the door lock...	View
	2006 Nissan Maxima SL 3.5L No Start VIN: 1N4BA41EX6 I submitted this help request under "electrical" and thought it might be better under driveability. Car towed in with no start. We found NATS system faults P1610 and P1612. This is the first time we've seen the vehicle so we have no history. The customer boug... Trouble codes: P1610 (NATS malfunction lock mode), P1612 (NATS malfunction chain of ECM-IMMU), U1001 (CAN comm. fault)	View
	1995 Oldsmobile 98 Regency Elite 3.8L cam/crank sensor VIN: 1G3CX52K4S This car has a "stumble" then traction control light and check engine light comes on intermittently. seems to mostly do it on cold start up. once warm you can start it without it occurring, checking codes pulls p0341`,342, cam sensor and cam crank correlation....	View
	2002 Subaru Forester S 2.5L Oil VIN: JF1SF656X2 Have a Forester that seems to be consuming oil, car has gone around 4000 miles since last oil change, customer had the oil light come on, added 4 quarts to bring to full. Has no external leaks, has a new pcv valve, dont see any blue smoke out exhaust. Didnt kn...	View
	2006 Toyota Sienna LE 3.3L Mechanical VIN: 5TDZA23C16 Van came in with a loud ticking noise from rear cylinder head. Valve adjustment good. ticking noise does not change with engine being hot or cold. removed camshafts in rear cylinder head found large amounts of carbon in all intake lifters. Removed cylinder hea...	View
	1998 Volkswagen Jetta GL 2.0L Check Engine Light Is On VIN: 3VWRA81H2W Hi. Got 98 jetta w P0442, Evaporative Emission Control System Leak Detected (small leak), code. Fix broken vacume lines & replace evap purge valve, new gas cap, check engine light still comes on. Running low on ideas. Any help would b grate. Thank you. T	View
	2004 Volkswagen Jetta GL 2.0L Cruise Control VIN: 3VWRK69MX4 Hello Friend's This 2004 Jetta 2.0L automatic BEV engine, when you set the cruise control it surges after a few minutes and won't hold the speed steady. The speedometer waves back and forth. Usually above sixty miles an hour.Today I drove the car close to six...	View
	2006 Volkswagen Beetle 2.5 2.5L Misfire, MIL Lamp on VIN: 3VWSG31Y46 Calling all other VW specialty shops… We have this very low mileage VW Beetle is kicking our butts. This is a little embarrassing as this is what we work on all day. The car has a serious misfire on #1 cylinder under load. ALL spark plugs and coils are new and... Trouble codes: P0300, P0301	View
	2008 Volkswagen Rabbit S 2.5L Engine VIN: WVWDA71K98 Car came in overheating on the hwy,but not @ idle water pump replaced previously with thermostat fan control testing failed / replaced fan assy fans operating ,still overheats on hwy. There does not seem to be flow through the recovery tank. No pressure in sys...	View
	1994 Volvo 960 2.9L Poor Idle Quality, Stall VIN: YV1KS9517R Hello all and volvo techs i have this 94 960 volvo that is running rich and blows black smoke out of tail pipe when cold, idle is rough,has new battery so no check engine light or history codes, i reset fuel trim adaptation with volvo scan tool and monitor o2 ...	View
	2001 Volvo V70 X/C 2.4L doesnt lock into park VIN: YV1SZ58D71 im not real familiar with the inner workings of euoropean transmissions but this volvo came in with a complaint that it will still roll when you put it in park. i verified that it would not go into park. wondering if this could be a broken park pawl or could s...	View

Fixes & Summaries for All Makes and Models

	Fix/Summary	Answers
	1984 Alfa Romeo GTV-6 2.5 2.5L Temp Control Valve VIN: ZARMA6694E As suddenly as this clunker came, it also went. The owner took it home to continue the work he could do to it himself (many other mechanical issues) and I haven't seen it again. He mentioned something about taking his other Alfa to the Alfa Owners Convention i...	5
	2006 Buick LaCrosse CXS 3.6L all gauges VIN: 2G4WE58796 In this case, the process of elimination led us to believe we had a bad ECU. Because the part is dealer only and must be flashed by the dealer, we sent the customer off to the dealer for repair. They reported the computer fixed the issues. Thanks to all who re...	10
	1999 Cadillac Seville STS 4.6L charging system VIN: 1G6KY5495X hi again. thanks for all your prompt responses. we replaced the alternator and it solved the problem.	8
	2001 Chevrolet Silverado 1500 5.3L Misfire VIN: 1GCEK14T71 while running found fuel pressure to get too low as if starving for fuel. low and behold it was fuel filter. thanks for the ideas and your help. jpl Trouble codes: P0131, P0151, P0300, P0463, B1001.	19
	2001 Chevrolet Tracker 2.0L Shifter lever The 3 replies I got hadn't see a problem like mine. I called the local chev dealer and service manager said that they use to eliminate a lot of trackers locking assemblies because the customers didn't want to spend the big price tag to fix it.He said it has 2 ...	3
	2002 Chevrolet Impala LS 3.8L MIL Lamp on VIN: 2G1WH55K12 It turned out to be the PcM INSTALLED IT today did reflash test drove all is good thanks again Trouble codes: P1635, P1639.	7
	1999 Chrysler 300M 3.5L headgasket VIN: 2C3HE66G2X What a battle... well didn't reall fix the cause of the overheating ended up modifing the thermostat by drilling two 5/32" holes through it. One in the jiggle valve location and another 180 degrees from the first. After flushing the cooling system many ...	11
	2006 Chrysler 300 Touring 3.5L Poor Idle Quality, Misfire, MIL Lamp on VIN: 2C3KA53G26 sorry for the delayed fixed post.we wanted our client to drive the vehicle several weeks before we close this out.it is officially fixed!to make it short, cam timing really matters on these engines unlike posted on iatn in the past.even with an oe timing belt ... Trouble codes: P0300.	17
	1999 Dodge Ram 2500 8.0L Misfire VIN: 3B7KF23W4X I sent my customer whith this truck to another shop, but the problem is now known. The thought of pulling the manifold and then maybe the head on this truck made the bad disc in my low back hurt. The other shop found a broken tower on the head for the rocker a...	13
	2005 Dodge Dakota SLT 4.7L reverse lights VIN: 1D7HW42N35 well the customer took the truck without a repair,suggested he drive it to be sure if codes reoccur,replys suggested reflash and ground inspections.i will repost when truck reappears and I actually repair it.thanks again,iatn is a great source!	3
	2009 Dodge Ram 1500 Sport 5.7L Controller VIN: 1D3HV18T99 I replaced the control head reconnected batt. and it did not work. Told customer to take it to dealer. A couple days later customer called and said it has been working since he picked it up. I don't know why it did not work at first, maybe it needed to see som...	8
	1997 Ford Escort LX 2.0L Timming belt VIN: 1FALP13P5V Thanks for all the info. With your help and some research i have learned that all the split port engines have the same problem . I have 2 of these in here right now. and both have the same problem. the problem is the machine shops around here don't have any kn...	25
	2007 Ford F-250 Super Duty XLT 5.4L Converter And Shift Sol C VIN: 1FTSX21577 I was able to repair this truck. I am sorry I left out one important detail. the tow/haul light was also flashing most of the time. after lots more studying I found that it was shifting from 1st to 5th. I started tracing and checking wires and found the pink a...	3
	2007 GMC Sierra 2500 HD Classic SL 6.6L No Start I'm closing this request folks on somewhat of a sad note-not being able to fix the problem. My customer decided not to invest in four injectors that I suggested due to money constrain. I did what one of you suggested and looked for fuel mist out of the injecto... Trouble codes: B0414, B1025.	4
	2002 Hyundai Elantra GT 2.0L charcol canister VIN: KMHDN55D92 Thanks to all who replied. I did check the canister close solenoid when I replaced the canister and it was okay. There was a recall issued by Hyundai that was not performed on vehicle. #[...] had to deal with a new fuel tank assembly valve. I sent to dealer...	8
	2005 Infiniti G35 3.5L MIL Lamp on VIN: JNKCV54E05 This one is fixed. It ended up that they had clutch work done and the flywheel was not indexed correctly. The thing that made me suspect that was all four cam sensors were working and both banks had codes for the vvt and the vehicle was running fine with good ... Trouble codes: P0011, P0021, P0014.	8
	1985 Mercedes-Benz 500SEL 5.0L No Start, Cuts out VIN: WDBCA3704F Thanks for all the replies on this one. I just adjusted the fuel mixture at the distributor and it runs better. It still stalls once in a while while warming up which i think is the warm up regulator. The customer is done spending money on this one.	8
	2003 Mercedes-Benz SL500 5.0L Vario Roof VIN: WDBSK75F93 Thanks for the helpful info on this car, especially those links to the mercedes tech store documents, that's great info. I ended up putting the top up manually following the Mercedes emergency procedures. For some reason, after I did this, communication was re...	3
	2004 Nissan Pathfinder SE 3.5L transmission VIN: JN8DR09Y74 thanks for the replies, the fluid is weaping out of the turbine shaft speed sensor and leaking out of the wire harness along the right frame rail.	6
	1984 Toyota Camry DLX 2.0L No Start Thank You to all that responded. The wiring diagram was not accurate to application. traced wiring by opening harness to trace short .turned out to be part listed as ac amplifier produced by nippon denso no longer being manufactured. circuit board smoked ( gr...	6
	1993 Volkswagen EuroVan CL 2.5L Cuts out As I had stated earlier, this car was a victim of a back yarder that messed everything up. The problem was rotor to cap synchronization. I modified the distributor to sync them up and it runs like new. Thank you all for your excellent input as always, IATN roc...	5

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