Automotive Technicians Technical Discussion and Fixes for Sep 9, 2014

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(Also Available: All, Asian, Chrysler, European, Ford, GM.)
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	Help Request	Answers
	2009 Acura TSX 2.4L Engine VIN: JH4CU254X9 Hey there, I have a cranks but no start condition. customer stated that they were drivng the vehicle, went into a store to shop, came back out and vehilce was a no start. Apparently they tryed to boost with no success. I have scoped Cam, Crank, injectors and c...	View
	1995 Audi S6 2.2L Engine VIN: WAULA84AXS Car towed in, crank no start. Check basics, fuel and spark and neither are present. Scan PCM with a snap on solus and got these two codes: 00514 Ignition point sensor G4 and 00513 Engine speed sensor G28. Using the Bentley manual I tested the resistance betwee...	View
	1999 Audi A4 2.8L Center dash vents VIN: WAUED28D4X Whether AC on or off, the air output from dash center vents fluctuates greatly when air speed turned up, as if the blower speed is varying. I believe the air control door is opening & closing. No faults are showing in system using Autel. This is a clean car an...	View
	1999 Audi A6 Quattro 2.8L Booster Vac VIN: WAUBA24B3X This is a good friend's car who has had progressively lower brake power assist over the years. Putting a vacuum gauge tee'd into the booster vacuum line we see that up on starting it only has 7" of vacuum, and until you rev the engine a bit, it doesn't go high...	View
	1998 BMW 528i 2.8L Starter VIN: WBADD6323W This BMW will not crank over. I put in a new battery since the old one was weak, still no crank. After much diagnosis I have found that the EWS data shows the starter disabled because of lever position, i.e. it thinks the car is in gear instead of park or neut...	View
	2003 BMW 325Ci 2.5L Convertible top Hi all, I need some help with this 325Ci. The car came in with the roof not working at all. This is the hycdraulic roof with the electric cowl motor and motor under rear seat for cover latches. I have had some experience with these in the past. The red light o...	View
	2007 BMW 328i 3.0L Mechanical VIN: WBAVC53547 Hello folks, I have this 2007 BMW 328I N51 (FZ74179) engine that came in like it has a turbine engine idling under the hood. After customer came in the car was parked for about 5 hours and started back up again and the noise went away. Checked crankcase breath...	View
	1985 Cadillac Eldorado 4.1L Surge VIN: 1G6EL5783F Car starts great cold, runs to full operating temp then starts to surge in park or drive. Checked for orn cam, fluctuating vacuum, leaking egr, leaking evap solenoid. No codes. The base tps was checked with isc unplugged and is at .46 when the isc is plugged i...	View
	2001 Cadillac DeVille DTS 4.6L No Start, No PCM Communication VIN: 1G6KF57981 I am working on this vehicle for a friend of mine who is struggling financially. I am an Auto AC Technician but decided to take on this job for him. Anyways, The vehicle will not start. Load tested battery, Failed. Replaced battery with new one that meets vehi...	View
	1999 Chevrolet Express 3500 6.5L Stall VIN: 1GCHG39F0X customer brought van in complaining of stall on deceleration asked us to change fuel filter. Now the van cranks and runs for about 3 min sometimes less. Is it possible the injection driver has failed again this quickly. I am not a diesel mechanic by any means ...	View
	2004 Chevrolet Suburban 1500 LS 5.3L Low Power VIN: 3GNFK16Z24 This one is though. Very low power when accelerating. Has low exhaust pressure and low engine vacuum 14in at idle even lower at cruse. Calculated engine torque is 4% at idle. It is not exhaust. I have removed and still same thing. No codes. Fuel pressure good....	View
	2007 Chevrolet Impala SS 5.3L No Start, Cuts out VIN: 2G1WD58C47 customer brought the car on tow truck, car was not starting and ECM IGN 10 Amp fuse was blown replace the fuse car fire right back up. Check All the wiring everything seems good. Gave the car back to customer and after 2 days same fuse blow again . Cannot dupl...	View
	2008 Chevrolet Uplander LS 3.9L Cooling System VIN: 1GNDV23W68 customer comes for an heating problem. No heat at idle, but heating properly when rising rpm. But on the road, temperature stays good in the cluster. was missing little of coolant. Topped up, but surprise, air always comes on quickly. Boom! I badly burned my a...	View
	2008 Chevrolet Express 3500 4.8L Day time running lights and Brake warning light VIN: 1GBHG31C18 This vehicle has had a dead battery a couple of timed during the summer. We would go out and replace the battery with a good recharged battery. Test the charging system and run a computer scan, everything check ok. The last time I was there to replace the batt...	View
	2011 Chevrolet Express 3500 6.0L Not sure VIN: 1GB3G2BG4B I was thinking I have a bad compressor assy this is where it gets weird here if I disconnect the alt field wire my noise stops rear a/c compressor works great and is quiet the alt viberates badly when loaded with the rear a/c system on has anyone seam any prob...	View
	2007 Chrysler 300 Limited 3.5L vent temp VIN: 2C3KA53G47 This system is a manual system. Coldest vent temp at idle 55 degrees and on the road at 75mph 52 degrees. We removed temp actuator and tried to completely close door and not any colder. We pinched off heater hose and not any colder. we discounted battery and t...	View
	2008 Chrysler Town & Country Touring 3.8L buck VIN: 2A8HR54P68 brought into the shop with a slight surge and a hard buck on light accel at crusing speed.we know the trans has some shifting issues that go along with a reflash tsb so we went ahead and updated the program... after that the trans still shifts kinda crapy and ...	View
	2008 Chrysler Town & Country Touring 3.8L Poor Idle Quality, MIL Lamp on VIN: 2A8HR54P28 Everything seems okay after the Van sits. But after a 13 miles test drive, suddenly the throttle body warning light comes on, and the foot throttle pedal only lets the Van go to 10 to 15 mph. In limp in mode. Any one have any ideas about what to look for? Is... Trouble codes: P0406 (EGR sensor circuit high), P0653 (sensor reference circuit high), P2127 (pedal position sensor 2 circuit low), P2138 (pedal position sensor 1/2 correlation)	View
	2013 Dodge Ram 1500 4.7L steering wheel It seems as if the eclectronic rac would have play.You can move the steering wheel Key off on acc.,left to right with out the outer tie rods moving about 7/16-1/2.	View
	2006 Ford F-150 XLT 4.2L mech/elect VIN: 1FTRF12226 two codes p0720 and p0722,trany shifts good into reverse but shifting into drive nothing,rev it up it will shift hard into drive and does not slip,drives good down highway,I think tranny is going out but want to make sure,what do you guys think? thanks	View
	2008 Ford F-550 Super Duty XL 6.4L No Start, died while running VIN: 1FDAW56R28 now on driving driver says he heard a loud noise and then truck died got truck towed in and cranks but no start battery was dead so no codes stored did KOEO self test showed current p0676 which was on previously / and p0341 cam sensor circuit performance. sync... Trouble codes: P0676, P0341	View
	2005 Infiniti G35 3.5L Bcm VIN: JNKCV54E35 I'm replacing a BCM in a 2005 Infinity G35 due to damage from an accident. Is there anyway to get the key pin code so I can program the keys to the module. The pin code on the original module is 91FF0. The pin code on the new module is 28641. I'm not sure whic...	View
	2001 Isuzu NPR-HD 4.8L Injection Pump VIN: JALC4B1491 After catching up with work in the shop, I inherited this truck that had been sitting on the lot for over a year and a hlaf. Previous technician replaced the motor after coolant was found in cyl 2, since then it has not run correctly since. I was unable to p...	View
	1997 Jaguar XK8 4.0L condenser VIN: SAJGX2748V Customer had complained about not cooling well at stoplights and while sitting still in park. We hooked up gauges and high pressure would climb to 350 to 400 and compressor would turn off because of high pressure. The cooling fans are running on high speed and...	View
	2006 Mini Cooper S 1.6L abs module VIN: WMWRE33576 need some clarification mini experts! complaint is cruise control didn't work and a warning indicator light came on but is now off. cruise does work, I scanned abs and had 3 codes, cleared, initialize tires, and have one reoccurring fault code listed on my lau...	View
	2008 Mini Cooper S Clubman 1.6L Hesitation VIN: WMWMM43352 Hi guys see if you can help me on this one have code 2885 for air charge sensor all data and Mitchell have no info on this car this is what I tested so far smoke the charge hose no leaks cleaned the charge sensor no help there I wanted to know if anyone had an...	View
	2009 Mitsubishi Lancer Ralliart 2.0L ACD hyd. pump VIN: JA3AV66V29 I am mainly after a test specification here, I need to know what pressure the "Active Center Diff" (ACD) Hyd pump should be making as viewed from scan data. The complaint is the Service 4X4 message is coming on. During a test drive I noted that the pump pressu...	View
	2004 Oldsmobile Bravada 4.2L MIL Lamp on VIN: 1GHDT13S24 OK here we go, thank you all for your valuable time.. We replaced this 4.2l that had a rod knock with a jaspers unit, after test drive P0016. the tech replaced the phaser sol thinking it may have had shavings in it. no change.. When I try and run a manual test... Trouble codes: P0016 (Cam crank correlation)	View
	2002 Saab 9-5 Arc 3.0L engine VIN: YS3ED49Z72 Engine really runs bad like bad misfire customer installed correct NGK plugs finally 43 psi fuel pressure 175 cranking compression on all cylinders-figured with those good numbers timing was on. 2 DIC tried swapping around still has P1300 found engine was in...	View
	2009 Toyota Tacoma 4.0L abs VIN: 3TMMU52N09 Thank you for your time. I have a very well maintained Tacoma that came in for brakes, and a roaring noise. After brake repair the test drive concluded that all four wheel bearings needed replaced. So we used oem parts and all went together smoothly. When test...	View
	2010 Toyota Tacoma 4.0L charge lamp inop no charge VIN: 5TEUU4EN1A I have checked all fuses (all good) and wiring. have no power to ign. terminal on alt or comming out of underhood fuse center.No charge warning lammp on cluster . mitchell and aldata very poor on cluster wiring. Tryed a new alternator anyway still no charge la...	View
	2002 Volkswagen Beetle GL 2.0L fuse 32 & 43 VIN: 3VWBB21C02 I am wondering if anyone has seen this before. I remember a TSB about fuse boxes on some models, but I didn't think it involved this one. When this car dies, we lose power to fuse 32 & 43, which provides power to injectors, l/s htr, sai valve and other comp. I...	View
	2009 Volkswagen Jetta Wolfsburg Edition 2.0L Noise VIN: 3VWRJ71K09 We have a 2009 Jetta 2.0 turbo in our shop for 1) Rear main oil seal leak, and 2) Noise in the driver's side when turning left or right. It sounds like a CV joint noise, but the noise is not coming from the outer CV joint, but is coming from either the inner C...	View
	2010 Volkswagen Jetta TDI 2.0L Ac Compressor VIN: 3VWPL7AJ3A I charged ac on the high side. Procedure says engine off, compressor off, vents off but theres no off switch for vents? blower speed on level 3. Start engine let idle for 5 seconds turn on compressor, and i got nothing. No light turning on for compressor switc...	View
	2010 Volkswagen Tiguan SE 2.0L Battery VIN: WVGAV9AX1A Good Afternoon, I have this VW from one of our local dealers that the battery goes dead in a day or two. I have confirmed this concern but am no where near knowing what is causing the draw. The battery passes all tests after it is recharged. Most of the tim...	View

Fixes & Summaries for All Makes and Models

	Fix/Summary	Answers
	1996 Audi Cabriolet 2.8L Pan Or Near VIN: WAUAA88G3T The replies we got were to use dye or chalk powder to locate leak, make sure level is correct, and look for a crack above pan rail and possible front pump seal. All good but we could not identify the source--we suspected the pan gasket because that's where it ...	3
	2002 Audi A4 Quattro 3.0L Poor Idle Quality VIN: WAULT58E82 So this was a extremely difficult problem. The only reason Im closing this post late is because the customer was on vacation for two weeks and i want to make sure everything was good before posting the fix. In the end the problem was with the pressure valves... Trouble codes: PP030, P0301 (miss fire cylinder 1), P0302 (miss fir Cylinder 2), P0303 (miss fir cylinder 3), 16805 (Bank 1 warm up cat), 18010 (power supply voltage).	18
	2006 BMW 325i 3.0L window VIN: WBAVB13526 thanks every body for your inputs, i replace the motor and did the initialization and that took care of the problem, thanks every one	4
	1995 Cadillac Eldorado 4.6L Poor Idle Quality, Misfire VIN: 1G6EL12Y4S first off Thanks to Hal, the relearn of the idle was a big help once i fixed problem. finally pinned this one to P.C.M. scoped E.S.T. wire from pcm and once idle would start to surge lost squarewave out of pcm to ignition module. Replaced pcm then [...] aft... Trouble codes: P0023.	8
	2003 Cadillac CTS 3.2L calipers VIN: 1G6DM57N83 As most suggested, the fix for this vehicle was 4 new calipers. Brakes were all original on this car with 115k on it. Little old lady that only drives to church and the grocery. Compressing the pistons back to original positions pushed corroded areas over t...	23
	2011 Chevrolet Express 3500 6.0L A/C Comp VIN: 1GB3G2BG4B heres what I learned if I disconnect the field from the alt my compressor is quiet and rear a/c blows cold but plugged in the alt viberates has high idle I just don't know what to think anymore it only had 145 amp alt on it has anyone seam these cutaway buses ...	10
	2003 Dodge Dakota Sport 4.7L trailer brak VIN: 1D7HG38N23 Thanks to all. Steve [...]... yes there is a body harness tucked over the P. brake way up top left. yes the blue wire is out to the trailer electric brake feed. No Do not connect black to black red to red as logic would indicate (blue does mate w...	8
	2005 Dodge Magnum R/T 5.7L control head VIN: 2D8GV58265 A lot of good info. Tried performing reset to no avail. Called the local salvage yard and got a used control head for 65.00.plugged in and all is well. A lot of time on computer, and a lot of time pulling hair out. Didnt have to perform relearn.	3
	2005 Dodge Dakota ST 3.7L Excessive Emissions, Tailpipe smoke VIN: 1D7HE22K45 Thanks For the helpful suggestions. (and the comedic ones too..) I was also of the opinion that maybe an upper engine cleaning would be the fix, but it was NOT. It still blew BROWNISH/blackish smoke even directly after running a quart of Seafoam through the th...	5
	2010 Dodge Grand Caravan SE 3.3L Surge, MIL Lamp on, limpin mode won't dr VIN: 2D4RN4DE0A hey all received some great insight,chrysler called me and i was informed they have had some issues with these codes and the wiring harnesses so i ordered a injector jumper harness a powertrain harness and the harness for the electric pedal which just include... Trouble codes: P2127, P1628, P0652.	5
	1993 Ford F-150 XL 5.0L Cuts out, Misfire VIN: 1FTDF15N5P Since disconnecting the spout connector corrected the problem, I felt like it was a timing/spark control issue. The previous shop had installed a reman distributor. I installed a used distributor and the problem was corrected. Thanks for all the replies.	9
	1998 Ford Ranger XLT 3.0L 1-2 &2-3 up shift VIN: 1FTYR14U8W Thanks to all who posted. The TPS was the problem. The voltage reading was to low. It's not adjustable but there was enough slop in the bolt holes to get the voltage back up to where it is suppose to be. I may end up in the future needing to replace it, but fo...	7
	2005 Ford Expedition XLT 5.4L no communication, no crank VIN: 1FMPU16575 Thanks for the reply's, this one is fixed. Found that the central junction box could not handle the loads that where on the injector and pcm circuits with throttle motor hooked up, even though it had 11.27v and would light a 200ma test light. For some reason...	4
	2009 Ford Flex SE 3.5L MIL Lamp on VIN: 2FMDK53C89 Thanks for the help, on Saturday pulled the fuel pump fuel level sensor. that one had an open circuit. installed new level sensor on Monday. Jody was correct the instrument cluster identified the wrong sensor. the code should have been B1202. When I showed the... Trouble codes: P2068 (fuel level sensor circuit high), B2627 (2nd fuel level sensor).	3
	2003 Honda Civic EX 1.7L Mechanical VIN: 1HGEM21933 replaced the o ring between cam carrier and cylinder head,oil pressure rose to 10 psi at idle,still had piston slap noise,the code for vetc did disappear though,i agree with most replys that this car needs a new engine,thanks for everything	10
	2000 Lexus RX300 3.0L oil consuption VIN: JT6HF10UXY Going to let my insurance companies and maybe my attorney handle this one. Thanks for all the insight from the IATN community	20
	2004 Mercedes-Benz E320 3.2L Starting VIN: WDBUF65J94 SO WE LET THE CUSTOMER KNOW THAT WE COULD ONLY DO SOME BASIC DIAGNOSIS WITH THE CAR, HAD FUEL PRESSURE WITHIN SPEC BUT NO SPARK. CHECKED ALL FUSES IN CAR AND UNDER HOOD TO FIND THAT THE #58 FUSE WAS BLOWN, REPLACED 15 AMP FUSE AND CAR FIRED RIGHT UP. FUSE WAS ...	9
	2007 Mercury Grand Marquis LS 4.6L blend door VIN: 2MEFM75W67 thanks for all the help. yes we did install a new blend door motor and so for no more problems.	6
	2009 Nissan Altima S 2.5L Starting VIN: 1N4AL21E99 Thanks to David from NewYork he was spot on, it was the electronic steering lock , installed new part all is well customer is happy! Thanks again for all that replied.	10
	2000 Subaru Forester 2.5L abs VIN: JF1SF6557Y replacing the master cylinder did the job , thanks every one for the help	12
	2008 Volkswagen Rabbit S 2.5L Rear Hatch lock VIN: WVWAA71K88 So what I learned is that Gulf and Rabbits don't have a release. The button on door and FOB only unlock. You can buy a program to release, everything is there. But not factory. Thanks	3
	2002 Volvo S60 2.4L temp pins at start VIN: YV1RS61R22 thanks every one for your help adam hit it on the nose,when he told me to do batt relearn. I just switched the battery and every thing works fine thanks again	6

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