Automotive Technicians Technical Discussion and Fixes for Oct 26, 2012

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	Help Request	Answers
	2007 Audi A6 3.2L MIL Lamp on VIN: WAUAH74F27 Audi techs out there i need your help, new customer of mine by a referal came in my shop today. 2006 audi a4 check engine light is on with a p2070 code. Intake manifold tuning (imt) valve stuck open. I dont work on audis just trying to help this lady out. A bi... Trouble codes: P2070 (Intake manifold tuning imt valve stuck open)	View
	1995 BMW 740i 4.0L cat VIN: WBAGF6321S Hi guys, this is my baby, never seen the winter. The left side cat was noisy and i changed with aftermarket readyfit on both sides. The right one is fine but the left was changed twice, the last one 2 months ago and the cones are rattling in them.The last one ...	View
	2004 BMW 745i 4.4L air injection ports VIN: WBAGL63594 The car came in with codes P2760, P2761 secondary air injection insufficient flow bank 1, bank 2. Another tech working hear at the time diagnosed the air pump as having low flow which I verified. Replace the pump and proceeded to try and set readiness. After a...	View
	1987 Buick LeSabre Custom 3.8L Stall VIN: 1G4HP5132H the vehicle dies intermittenly but it has not for us we test drove it nothing kept the car for a day took it several times on a test drive but nothing happenned, customer picked up the car and it dye on her, my question is how do I make it act up, I suspect it...	View
	2004 Buick Century Custom 3.1L 1-2 shift VIN: 2G4WS52J34 Hello fellow professionals, This Century came with with a delayed 1-2 shift concern that only occurred after the car sits for about an hour. After the initial delayed shift, it shifts perfectly. There is no slip or flare, and line pressure is the same whether ...	View
	1997 Chevrolet Monte Carlo Z34 3.4L Cooling Systems VIN: 2G1WX12X2V temp gauge will go to 260 and peg, then go back down. 3.4 DOHC CAM pos, car was towed in sitting for months, rats ate injector wiring, got it running found waterpump leaking, replaced with ac delco pump, at times the gauge will go and peg on test drives, has n...	View
	2001 Chevrolet Suburban 1500 5.3L transmission VIN: 3GNFK16T41 After installing the jasper transfer case we drove the truck around the block and it was very noisy.The noise was coming from the new transfer case.We removed the decoder motor and installed the one from the original transfer case and the noise is almost gone....	View
	2003 Chevrolet Monte Carlo SS 3.8L defrost VIN: 2G1WX12KX3 Have this Monte in for repair of insufficient airflow from defrost on cold setting only...On heat it blows great..after testing we pulled dash apart expecting to see a broken door or bad actuator...As stated it works fine on hot...After taking box apart we fou...	View
	2005 Chevrolet Impala LS 3.8L Interior VIN: ZG1WH5ZK45 we have a 2005 impala when you turn the key to on position the lights it goes through a bulb check then the fuel guage will light come on abs,alt,brake light and alarm will ding, ding,ding,then they will go off and repeat every 10to15 seconds when you drive it...	View
	2005 Chevrolet Trailblazer LS 4.2L MIL Lamp on VIN: 1GNDT13S15 Hello IATN, Im looking for a little assistance with something I admittedly shouldnt have started in the first place but the choice was not mine. It has basically become a timing chain nightmare. It started off with a bad exhuast valve seat on cylinder 2. I re... Trouble codes: P0014	View
	2007 Chevrolet Silverado 2500 HD Classic LS 6.6L no start, hard start VIN: 1GCHK23DX7 after a long soak,(3 hrs)or sit overnight, engine starts right up then shuts off after 10 seconds. will not restart except with a very long crank time. found no leaks on fuel supply line or filter. no codes in computer. truck drives out perfect. all data ...	View
	2008 Chevrolet Impala LT 3.5L Mode Door Actuator VIN: 2G1WT55NX8 Hi, to all chevy. Techs. This impala came in 10 days ago for noise in the dash. We trace the noise to mode actuator and disconnect it, noise stoped. That is why we changed the mode door actuator!kept the car for another day every thing looks very good ,so we d...	View
	2008 Chevrolet Silverado 1500 LT 5.3L Mechanical VIN: 1GCEK14058 Truck came in missing on cyl.#2 at idle .i have swapped plug,coil ,plug wire and injector with another cylinder misfire stays at # 2.compression is the same on other cylinders.this is an afm motor.i have heard of valve train trouble on these engines.i am hopin...	View
	1998 Dodge Caravan 3.0L all shifts VIN: 2B4FP2539W The transmission is shifting weird in that it shifts fine if you keep your foot in it but if you back off the throttle before a shift or during a shift it acts like it binds during the shift and makes for a very harsh shift. Tryed a different solnoid pack no d...	View
	1999 Dodge Ram 1500 Laramie 5.9L Misfire Hi all! Got another one that is currently stumping us and a search on here and google has turned up nothing applicable. This truck is incredibly well taken care of and in great shape. It came in after having all the injectors, plugs, and wires replaced. It mis... Trouble codes: P0132 (O2 Sensor Shorted to Groudn), P0300 (Misfire), P0302 (Cyl 2 Misfire), P0304 (Cyl 4 Misfire), P0306 (Cyl 6 Misfire)	View
	2007 Dodge Ram 3500 Laramie 6.7L MIL Lamp on, long crank time VIN: 3D7KS28AX7 Truck came in with check engine light on and long crank at start-up. Sometimes it will start right up and other times it won't. Scanned, had PO341-camshaft sensor perf. P2121 Accelerator sensor/perf. and P226B-undocumented code, all stored codes. Cleared the c... Trouble codes: P0341	View
	1997 Ford F-250 XL 7.3L oil pressure VIN: 1FTHX25F3V Vehicle came in with a no start issue it cranked but wont start over. check the oil pressure and it had no pressure at all so did some testings and found out that the pump wasnt operating properlly. so went on to replacing the high pressue oil pump. when every...	View
	2002 Ford F-150 King Ranch 5.4L Cuts out, MIL Lamp on VIN: 1FTRX18L92 While driving the truck 50-60mph it cuts out for a split second and comes back its not a misfire and the computer is not catching one and only code is p0340 cam position circuit fault also when it is cutting out. If you hit the o.d button it does the same thin... Trouble codes: P0340 (Cam position fault in circuit)	View
	2005 Ford F-250 Super Duty King Ranch 6.0L Hesitation, Low power VIN: 1FTSW21P05 This vehicle really has us stumped,it came in with diesel fuel in de-gas bottle but running good.So after research found that has to be cracked cylinder heads to cause fuel in coolant.We removed cab and replaced heads with new FORD OE heads and installed head ...	View
	2005 Ford E-450 Super Duty 6.0L Stall wanted to throw out a line before FICM purchase the icp presure is low, did jump to 1450 w/icp unpluged Trouble codes: P0611, P2617	View
	2007 Ford Edge SEL 3.5L Misfire, MIL Lamp on VIN: 2FMDK39C97 Hi to all.I just got this one Ford from a formal Arco mechanic friend of mine.he tried fixing his own Suv.ofter he failed he brought it to me. Anyway ofter checking all he did.it was all good...But he miss one thing.the ignition coil on cyl #6 is dead o spark.... Trouble codes: P0480 (Cooling fan 1 control Circuit), B2477 (Null.do not know what it means.)	View
	2007 Ford Fusion SEL 3.0L key switch VIN: 3FAHP081X7 "problem" can not remove key from ingnition Switch unless we disconnect battery	View
	2002 Hyundai Sonata 2.4L No Start VIN: KMHWF25S62 Was towed in . No spark , test ckp ( failed and was replace along with belts , seals , and water pump . After repairs was driven and road tested , when customer came would not start . next morning started . Replace miss fire sensor , Road tested and ran out we...	View
	2000 Jeep Grand Cherokee Laredo 4.0L No Start VIN: 1J4G248S2Y Checked wiring and fuses. Have no power to injectors and therefore no trigger. Replaced ASD relay. Replaced and reprogrammed PCM. Still no start. Has a P1389 code. Can't get voltage to injector fuse (fed by ASD relay) Trouble codes: P1389 (no ASD relay output voltage)	View
	2003 Land Rover Freelander S 2.5L Poor Idle Quality, Misfire, Low Power VIN: SALNM22233 PLEASE HELP!! This thing has some serious problems as do all of these freelanders from my research. Ok here we go, this truck has been here for a long time and we have all but replaced the vehicle for the customer! it first came in because the customer thought... Trouble codes: P0301	View
	2011 Lexus RX300 3000CC No Start I have 2011 RX300 Fuel Problem I checked there isn't any fuel from the pump, and there isn't any fuel injector signal from the injector connector no trouble code has been found checked all the fuses are good condition this happened after the owner of the v...	View
	1982 Lincoln Continental Signature 5.0L electrical draw from alternator stator post VIN: 1MRBP98F8C battery goes dead overnite found draw from stator post has power even with key off and same wire powers electric choke pulloff	View
	2000 Mazda Millenia Millennium Edition 2.3L Valve Train VIN: JM1TA2221Y This car has an intermittent skip, cyl #6, code P0306, and you hear the lifter ticking. Only that cylinder. Then the noise and skip go away. Before we tear this thing down, wondering what might make this an intermittent. Will the repair be a lifter, or a reman...	View
	1999 Mercedes-Benz SL500 5.0L No Start VIN: WDBFA68F3X Hi guys I have this mercedes that's giving me fits. The car came in for a no start/ no crank issue. It was wrecked in the right rear where the locking module is located so I checked that first and it had gotten wet and corroded so we replaced that. After getti...	View
	2001 Mitsubishi Eclipse GT 3.0L Heater vents VIN: 4A3AC54HX1 NO heat drivers side...80f passenger side VENT TEMPS with Heater core pipes are at 175F in 170F out...I have checked all cables and linkage's and all seems to be operating correctly. You can hear doors moving and no binding SEEMS OBVIOUS. Any idea's on why we ...	View
	2005 Nissan Pathfinder SE 4.0L coolant reservoir Hi. I have this Nissan came into my shop for complaint on overheating. It looks like it has a new Thermostat and Radiator from another shop. Everytime he comes in, the coolants are half of a gallon low. I filled it up, bleed it, send customer home, and he came...	View
	2006 Nissan Frontier SE 4.0L Cranking circuit VIN: 1N6AD06W36 While waiting for parts during window repair, truck would not crank. Started once after fooling with lock/unlock on key fob. Would not crank on its own since. Circuits from ign switch to starter relay and relay to starter are good. Circuit from ign switch to I...	View
	1999 Oldsmobile Aurora 4.0L timing chain VIN: 1G3GR62C4X This request will be odd at best. I have limited experience with "Northstar" engines beyond routine maintenance and minor repair. What I am asking for in this request is to "pick your brains" to shorten my learning curve. That said, I am 59, I have been at thi...	View
	1993 Pontiac Grand Prix LE 3.1L Starting VIN: 1G2WH54T2P Customer had originally came in with a bad battery so it was replaced approximately a week later customer called said battery was dead and needed to be jumped, had customer come to shop where we tested battery and it failed so we replaced battery, shortly afte...	View
	2003 Pontiac Sunfire SE 2.2L purge can VIN: 3G2JB52F63 Purge canister filling with fuel.	View
	2002 Saturn Vue 3.0L Stall, Poor Fuel Economy, MIL Lamp on VIN: 5GZCZ63B12 I have been fighting this problem for six months now. The truck will run fine for weeks at a time with no mil. Then one day it will throw a code for the minimum throttle not being reached and a torque communication between ecus. The truck will go into limp mod...	View
	2002 Subaru Forester 2.5L MIL Lamp on VIN: JF1SG63622 Vehicle came in originally 9/17 with a p0456 & we replace canister/vent assy & purge valve.the vehicle came back with mil light on again, this time code p0448. Customer was pissed light came back on & took the car to 2 different shops. One was dealer & they sa... Trouble codes: P0448 (Evap vent control system shorted)	View
	2002 Toyota Prius 1.5L No Start VIN: JT2BK12U52 Car came in with intermittent no-start, which I was able to verify. When it wouldn't start, the "READY" light never illuminated. Scanned all systems for faults and it had a rather vague B2799 "Immobilizer Fault" code in the Hybrid Vehicle Control ECU. I noted ... Trouble codes: B2799 (Immobilizer System Fault)	View
	2001 Volkswagen Passat GLS 1.8L Cam adjuster VIN: WVWAC63BX1 This 1.8 AUG engine sets a P1531 fault, "camshaft timing adjustment--open circuit intermittent". The adjuster works properly when commanded with basics in block 094 and passes the test. It also passes the audible "output" test. The fault will set at idle (whi...	View
	2003 Volkswagen Jetta TDI 1.9L glow plug VIN: 3VWRP69M23 I am replacing all glow plugs.I have a particularly tough one.Any trick to removing one that is stuck???	View
	2003 Volkswagen Golf GL 1.9L MIL Lamp on, no power VIN: 9BWFP61J43 Hi everyone. This TDI arrived with very little power under all conditions except idle which seemed normal seemed normal, and idle throttle response seemed normal. The code #16600/po216 - injection start valve malfunction came up in alldata as a cold start inje... Trouble codes: P0216	View
	2006 Volkswagen Passat 2.0T 2.0L MIL Lamp on VIN: WVWAK93C16 We got this vw in 2 days ago with p0171 and p12a2. car ran well did not locate any vacuum leak so replaced rail sensor. Its back same 2 caodes. Checked the circuit again as flow chart suggest. Then checked the fuel pressure it went between 45 and about 55 psi ... Trouble codes: P0171, P12A2	View
	2011 Volkswagen Golf TDI Highline 2.0L ABS Light Hello All, quite the lousy start to a Friday morning. Thanks for taking the time to read this. I apologize for the lack of VIN, I did not write it down this time. I did an alignment on this '11 Jetta Sportwagon TDI, nothing out of the ordinary. I used our Aut...	View
	2000 Volvo S40 1.9L MIL Lamp on VIN: YV1VS2556Y This keeps setting a Cam reset codes every two drive cycles. It always sets cold, at start up. I checked the old CVVT and it was binding, so we did a motor flush and replaced the CVVT. I pulled the reset valve ( electrical actuator) it looks very clean and t... Trouble codes: ECM, 5E, ECM, 60 (Cam reset)	View

Fixes & Summaries for All Makes and Models

	Fix/Summary	Answers
	2004 Audi Allroad Quattro 2.7L No Pump pressure VIN: WA1YD64B04 Hello, Thank you for your responses and help. The job to remove this transmission - Involves making a holding frame above the engine to support it - so that you have control over the subframe that must be detached from the body. And supporting the vehicle so...	11
	1995 BMW 318i 1.8L No Start VIN: WBABK6326S I have been unable to nail the problem on this unit to date. I will have more time to apply to this project at a later date and will send new post at that time for fix. Sorry for not havinbg better feed back for all of you but thanks for your time and info yo...	13
	1999 Cadillac Escalade 5.7L Accessories VIN: 1GYEK13R4X New Sunroof Motor took care of the problem, you did not need to learn it,the customer blame it on us , & we had to eat the cost. Thanks anyway guys	5
	2003 Chevrolet Silverado 1500 5.3L Cuts out VIN: 2GCEK19T43 Replaced the throttle Body assy and the vehicle has not returned with any problems... Thanks to all who helped. Trouble codes: P1516 (TPS/APP Difference).	7
	2004 Chevrolet Silverado 2500 HD LT 6.6L Excessive Emissions, Misfire OK. the best way to find the injectors that were causing issues was to watch the fuel rate and the balance rates when the rail pressure was commanded down. Then things made sense because I had some injectors that were over fueling as well as some that were u...	8
	2008 Chevrolet Silverado 1500 LTZ 6.0L No Crank VIN: 3GCEK13Y48 We finally fixed this truck!! First I would like to thank everybody for their input on this problem. After a lot of testing of the components and circuits that were suggested on this particular truck by everyone they all checked out to not be the fix. Finally ...	14
	1996 Dodge Ram 3500 5.9L No Start VIN: 1B6MC3656T After testing all the wires and again confirming powers and grounds we came up with the REMAN ECM being bad. Customer had replaced numerous parts including crank sensor, coil, plugs, wires, cap, rotor, ECM... As suggested I check my 5 volt signal out of ecm, I...	8
	1999 Dodge Ram 1500 Laramie 5.2L MIL Lamp on VIN: 3B7HC13Y0X Thanks to all that responded on this one. The code came back as a hard code. TPS and IAC did nothing for this one. It needed the TPS so I put a new one on it. Fortunately I had another truck here and I changed the IAC, no difference. I rechecked the wiring goi... Trouble codes: P0505 (IAC motor circuits shorted).	3
	1994 Ford E-350 Econoline 7.3L Pedal Height VIN: 1FDJS34MXR Many thanks to all, we replaced the E350 master cylinder with the F450 master cylinder, it made a huge difference, pedal height right where it shold be, thanks again.	21
	2004 Ford Expedition XLT 4.6L door locks VIN: 1FMRU15W64 Thanks guys this one is fixed! I checked voltage at the red/wh wire and had voltage however when I load tested that circuit it would pull down to 2.0 volts I checked ohms while wiggling the harness that runs down the passenger seat near the door channel. I was...	4
	2010 Ford Escape XLT 2.5L MIL Lamp on VIN: 1FMCU9D77A thanks to everyone who helped out on this one, it was indeed the purge solenoid that was the problem. we gave it power and ground and it would not work. put the new one on and all is good now! Trouble codes: P0456 (Evap emission system leak detected very small leak), P1450 (Unable to bleed up fuel tank vacuum).	4
	2004 Infiniti G35 3.5L engine VIN: JNKCV51E44 thank you to all ATN technicians that took the time to guide, and yes most of you were right blown head gasket was the issue I did what you told me to,(took all the spark plugs and left overnight with a coolant pressure gauge attached,and bingo cylinders 1 and...	7
	1999 Mazda Protege DX 1.6L phantom u code VIN: JM1BJ2224X As many have stated, this vehicle does not have CAN. The CAN adapter I referenced is a hardware and software add on to the SPX computer that allows me to get communication with CAN equipped cars for a tach signal and eventually codes. There is nothing to fix o...	4
	2002 Mercedes-Benz C320 3.2L all cabin electrics VIN: WDC2030642 thanks for info,i was pretty sure it was in key or switch,so recomended he go to dealer,they confirmed and replaced faulty items,	4
	2001 Mitsubishi Galant ES 2.4L Radio VIN: 4A3AA46G31 Like if everyone stated, either dealer or websites that offer the service. In my case, I was fortunate enough to know 1 guy from Mitsubishi who I use to sell parts to a long time ago. I gave him the info and he gave me the code. Easy as pie and for free. The n...	7
	2005 Nissan Frontier XE 2.5L no start at times VIN: 1N6BD06T75 Thank you for the help replaced aftermarket crank pos. sensor with factory part fixed problem Trouble codes: P0335 (Crankshaft position sensor).	3
	2001 Oldsmobile Bravada 4.3L brakes VIN: 1GHDT13WX1 Replaced the used abs module and pump with a new gm pump and module. Did the system bleeding procedures along with the automated bleed with the scanner. It took a while to get the system bled, but it finally came out of it. Thank you all for the replies!	21
	1993 Saab 9000 CDE Turbo 2.3L No Start, Poor Idle Quality, Stall VIN: YS3CL48M5P Thanks again to all who responded! As you know, cars this age can have multiple issues- After finding the ABS relay code, testing showed high resistance in the battery cable/junction just off of the battery- new cable and cleaning the terminals going to the fu... Trouble codes: 675B0, E7590 (Safety system faulty operation).	6
	2002 Volkswagen Passat GLS 1.8L oil pressure VIN: WVWPD63B32 This vehicle is finally fixed and I am happy and a little embarassed. It seems that we actually fixed it when we replaced the oil pump but when my tech reassembled it he did not plug the oil pressure switch back in all of the way causing the light to come on a...	7

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