Automotive Technicians Technical Discussion and Fixes for Nov 30, 2012

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	Help Request	Answers
	2005 Audi A6 Quattro 3.2L Abs VIN: WAUDG74F7S Vehicle came in with ABS light on.Found intermittent code 01435;Brake pressure sender 1-G201 implausible signal stored in the ABS control module memory.Also found intermittent code P1653 read fault memory of;ABS control unit implausible.stored in engine electr...	View
	2007 Buick Lucerne CXS 4.6L No Start, Runs after key off VIN: 1G4HE57Y47 Vehicle came in running rough, tuned up [...], cleaned injectors, ran good but, turn key of vehicle still runs and is a rough idle, replaced ignition switch due to worn contacts but condition still exists... Please help	View
	1999 Chevrolet Blazer 4.3L 2-3 shift VIN: 1GNDT13WXX Came in for multiple transmission codes.Problem started after engine replacemnt at another shop. P0785,p0758,p0753. Found broken wire at transmission connector - replaced still have same problems...a transmission shop replaced wiring harness and solinoids - re...	View
	2003 Chevrolet Trailblazer North Face 4.2L Reverse and 4th gear VIN: 1GNDT13SX3 Good evening guys, This has been my first 4L60 overhaul, so keep that in mind. The customer brought me the transmission, and told me it was from a 2005. I'm wondering if the parts i installed are compatible with a 2003.Everything seemed to go fine with the ove...	View
	2005 Chevrolet Cobalt SS 2.0L MIL Lamp on VIN: 1G1AP12P05 This car came to us with a check engine light and a card in the spokes sound from the engine. It had a P0017 code for Crankshaft Position - Exhaust Camshaft Position Correlation. We found a broken timing chain guide and the cams out 1 tooth. We replaced all th... Trouble codes: P0017	View
	2008 Chevrolet Tahoe LTZ 5.3L Lifter VIN: 1GNFK13018 I have a Tahoe with the active lifter system that I just replaced all 4 active lifters on the passenger bank. On my test drive, the vehicle started misfiring again the exact same way as before!! Before I tore it apart originally, it had a P0306. No compression...	View
	1999 Chrysler Sebring JX 2.5L Misfire, MIL Lamp on VIN: 3C3EL45H4X This car has had an engine and transmission replaced 2 years ago ( jasper reman on both and not cheap). Customer was complaining of trans " not acting right" and check engine lamp flashing then on. Trans was in limp in due to p0725 ( crank sensor input to tcm)... Trouble codes: P0725 (Transmission- engine speed sensor error), P0300 (Engine- multiple misfire)	View
	1989 Dodge Dakota Sport 3.9L blower fan VIN: 1B7GG69X0K Changed out A/C compressor, students doing performance check of system and noticed plug at resistor block was melted and smoking. Went to salvage yard got differant resistor block and harness. had students solder wires in harnes for replacement plug. Used a sc...	View
	2000 Dodge Dakota 4.7L instrument cluster VIN: 1B7GG22N0Y problem just started out of the blue, customer started vehicle 1 day and it would start and stall as if the theft system was engaged.also instrument cluster would not illuminate and gauges were not working.removed cluster and engine starts and runs and I can c...	View
	2002 Dodge Dakota Sport 4.7L Cluster VIN: 1B7HL38N92 vehicle came in with inop,cluster functions intermitantly.all gauges and indicator lights come on with a no bus message.scan for codes,pcm code p1686 no sentry key immobilizer moduale bus message.body code- Read only checksum malfunction.security code-serial l...	View
	2003 Dodge Sprinter 2500 2.7L No Start, Stall VIN: WD2YD74263 Hi friends! well, Sprinter was towed in as a no start yesterday. When I went out to start it, it would just crank and crank and crank. Gave it a shot of Juice and it started. Drove it into the shop. Performed the injector return test (clear tubes on injectors...	View
	2003 Dodge Ram 2500 5.9L Transfer case VIN: 3D7KU28C63 Customer said vehicle was going down the freeway and out of the blue shifted to 4x and service 4x4 light on. Mileage is correct (649000). Scanned. All I got was Encoder failure. Simple, right? Changed encoder/shift motor with a used/salvage yard one. Of course...	View
	1995 Ford Explorer Eddie Bauer 4.0L No Start VIN: 1FMDU34X3S We have a 1995 explorer that 2 months ago would intermittently not start after hot soak. This would happen about once in 2 weeks. The problem is getting worse. After quite some time we finally got it to act up while in our possesion and it started stalling and...	View
	2000 Ford Ranger XL 3.0L Differential VIN: 1FTZR15V6Y This truck is killing me. Vehicle came in with oil leaks. Removed front differential to access oil pan. Front pinion nut was seized and damaged pinion shaft. Replaced with used unit. After replacement, 4wd binds. Replaced again and now transfer case made loud ...	View
	1996 Geo Metro LSi 1.3L Temp gauge Hi, I have this Geo that the temp gauge will drop to cold when the car is up to operating temp and sometimes when the car is cold the temp gauge won't come up and when it finally does it just pops right up to half way, sometimes it could be hours the customer ...	View
	2001 Honda Accord LX 2.3L Heater VIN: 1HGCG66541 Vehicle came in with complaint that the heater is in-op no heat. This is a manual control system. The heater knob controls a servo motor that sets air mix and moves the cable for the heater control valve. Had a tech operat the heater control knob while watchin...	View
	2004 Honda Element EX 2.4L MIL Lamp on VIN: 5J6YH18524 can some one tell me what is going wrong been under this hood about 6 times now costomer did not give me approval to pull the timing chain to check for streaching but what else can it be a pcm ecm Trouble codes: P0340, P0135, P0141, P0304, P0341	View
	1998 Jeep Grand Cherokee Laredo 4.0L transmission VIN: 1J4GZ58S1W Hi I have a 1998 JEEP/GRAND CHEROKEE LAREDO/TSI/4.0L I6 MPI OHV The transmission runs hot and after that the transmission looses power. It also has irrugular shifting parterns. it takes a long time to shift from 1-2 and after that it runs perfect untils the tr...	View
	2002 Mercedes-Benz C230 Kompressor 2.3L Lighting VIN: WDBRN47J62 I have this Mecedes-Benz C230 with inop rear lights. I traced the problem back to the rear SAM module and when I called the dealer to price the module I was told it may need programed. My question is does the new module need programed.My other question is can ...	View
	2001 Nissan Xterra SE 3.3L MIL Lamp on VIN: 5N1ED28Y91 Hi guys This came in with a mil light on. We pulled codes and only found pending codes. I was just looking for input on the Nissan's mil usages. Usually we see the light is out with no current code setting situation. this seems to trip the mil with only pendi... Trouble codes: P0325, P1126	View
	2003 Nissan Altima SE 3.5L high beams and right turn signal VIN: 1N4BL11E33 vehicule was bought by customer and in for saftey, right turn signal and high beams do not work, check all i could think of, hazard lights work fine and flash to pass high beams work fine just won't stay on high beams when lever is pushed forward left turn sig...	View
	1992 Pontiac Grand Prix SE 3.1L No Start VIN: 1G2WJ14TXN Car came in hook , no fire no injector pulse, kept blowing dis fuse, found short in modcule, replaced modcule crank sensor, the fuse, now have spark and injector pulse , fuse no longer blowing, but car will not start. Acts like plug wires crossed back fires th...	View
	1999 Porsche Boxster 2.5L Instrument cluster VIN: WP0CA298XX All fuses checked. Diagrams not showing individual bulb(s). All gauges operating normaly. No backlighting evident.	View
	1996 Subaru Legacy Outback 2.2L Engine VIN: 4S3BG4853T I first have to apologize for being off the IATN for awhile. I was just on my fourth annual get lost on the mainland motorcycle trip so I was gone for a couple months. Starting to kick myself a little for taking this job. Car was brought to me with left side ...	View
	1997 Subaru Legacy Outback 2.5L jumps VIN: 4S3BG6852V transmission	View
	2003 Toyota Matrix 1.8L exhaust VIN: 2T1KR32E93 Addressing a complaint of exhaust fumes in car a week ago.I noticed that the front exhaust donut was worn.It was also sitting close to the hvac drain.This concern occurs when sitting at the light and with external air draw into vehicle.The donut has failed to ...	View
	2005 Toyota Prius 1.5L light on dash VIN: JTDKB20U15 Light on for headlight level control. Verus and and Autel scan tools are no help on this one. Reviewed some posts about headlight bulbs, but don't know if that applies to this problem. Any help appreciated.	View
	2001 Volkswagen Jetta GLS 2.0L Instrument cluster VIN: WVWSB61J21 BBA tells us the circuit conditioning trace keeps burning out & that's all they can tell us. It would help if we could find out which pin in the cluster is that corresponding with. We r in the process of checking out voltage on each wire on blue input cluster ...	View
	2004 Volvo S60 2.5T 2.5L Lock up convertor VIN: YV1RS59V04 HI there everyone and thanks for the help on this one. I have this 2002 S60 T5 in with the check engine light and service tranny lamps on. There is a code P0740 stored for a failure in the lock up torque convertor system on the vehicle. I cannot seem to feel m...	View
	2007 Volvo S40 T5 2.5L left front wheel speed sensor VIN: YV1MH68227 Volvo tech, need help, have an 07 s40 t5 with a lf wheel speed sensor code, replace the sensor with an oe volvo sensor, still have same code, ordered a 2nd sensor thinking it was no good and the same thing. Looked in the archives and found a tsb for the wiring...	View

Fixes & Summaries for All Makes and Models

	Fix/Summary	Answers
	1999 BMW 323i 2.5L Airbag VIN: WBAAM3338X thanks for the responses!! i re-verified my procedure with AL and find i did everything i was supposed to do. also the verified with AL the tool is sending appropriate requests. i sent to dealer for warranty replacement of the mrs module. they arent saying but...	5
	2005 Chevrolet Aveo LS 1.6L Airbag Light VIN: KL1TD52665 Thanks for your replies. As several of you had suggested, I had tried "tricking" the scanner by calling it a 2006 Aveo instead of a 2005 and the scanner (an OTC Nemisys) would not connect. Ended up sending the module out to be reset and reinstalled it and ever...	7
	2005 Chevrolet Cobalt LS 2.2L No Start VIN: 1G1AL52F65 Well Dan and Greg were right on.Thanks so much for the suggestions.We called customer and had them bring vehicle back to shop so we could check to see if the timing chain tensioner was bleeding down.We already looked for coolant in cylinders and found nothing ... Trouble codes: P0130 (O2 fault b1s1), P0340 (Cam position), P1133 (Ho2s b1s1 insuf.), P0134 (Low o2 activity b1s1).	9
	1995 Chrysler Cirrus LX 2.5L Engine Timing VIN: 1C3EJ56H2S I don't understand how it happened but final diagnosis revieled bent valves. Cam shafts were clamped in place at cyl. 1 TDC and crankshaft was not turned unless someone else was screwing around in my bay. Final fix was to swap out engine to avoid further pro...	6
	2006 Chrysler PT Cruiser 2.4L 2-3 shift VIN: 3A4FY48B06 Thanks to all that put in help for this one. Sorry for the delay on the fix. I had to wait for installation of the used tranny to confirm the fix. All is well now and when we opened the pan a lot of large parts fell out. Some big chunks of aluminum and steel r...	9
	2001 Dodge Grand Caravan Sport 3.3L control panel VIN: 2B4GP44311 I got suggestions to check the vacuum hose under the hood, but this one used electric actuators. I found the re-learn procedure, but it didn't do any good. I sent him to the dealer. I didn't feel comfortable changing the control panel without solid proof, l...	12
	2006 Dodge Grand Caravan SXT 3.8L navigation system VIN: 2D4GP44L56 Thanks to all for your replies. The overwhelming consensus is that the radio is not worth fixing and should be replaced. One member indicated it was fixible, but we do not have the equipment needed to test for which part is faulty, therefore, we have replaced ...	4
	1995 Ford F-150 Eddie Bauer 5.0L Poor Idle Quality, Cuts out, Stall, Misfire VIN: 1FTEX14N1S Well this one is fixed!! It turned out to be the ECM. I dont have an explanation as to why but it did fix it. From what we saw on the scan tool the truck thought it was ruinning at 2400 rpm with the KOEO and yes we did have a square wave signal showing that th...	7
	1998 Ford Mustang SVT Cobra 4.6L Excessive Emissions VIN: 1FAFP47V8W Wrong oil and carbon, if interested read on. Pulled engine got valve covers off and confirmed timing. did leak down on cylinder 1 and leaking by intake valves. rockers felt tight, popped off rockers and now only 1 intake port leaks a little (dualseperate port ...	13
	1999 Ford Escort ZX2 Hot Coupe 2.0L No Start VIN: 3FAKP1135X Well, the car is finally running. The shop owner said he installed a re man computer and the car fired right up. A visit to the son found an extremely noisy engine that appears to be missing a thermostat. On top of this, the air con has not been recharged. To ...	13
	2003 Ford F-350 Super Duty Lariat 7.3L MIL Lamp on, lacks power VIN: 1FTSX31F53 Thank you for the replies, and assistance. As stated on initial post, Fuel pressure was taken at the back of the heads and sustained 55 psi on hard pull. I had dropped the tank and cleaned cigar filters. Bruce [...] led me to further tests. 1.) ... Trouble codes: P1211.	8
	2005 Ford Five Hundred Limited 3.0L Hesitation, Low power VIN: 1FAFP28125 Well , We will kind of call ed this one fixed. Little did I know that the body shop had cleared all codes. Road tested the car., It confremed it is in limp mode. Checked throtal plates with engine running (not opening).Did all scan on car found [...] in tr...	10
	2007 Ford E-250 4.6L Heater VIN: 1FTNE24W77 USING MY SMOKE MACHINE ON THE VACUUM LINE REVEALED JUST WHAT MANY OF YOU SAID.THE LEAK WAS AT THE VACUUM BALL.I GAVE THE CUSTOMER THE OPTION OF RELOCATING A NEW BALL AND HE WAS HAPPY WITH THAT FIX.HE JUST WANTED TO BE ABLE TO CHANGE MODES.I'M HAPPY TOO,BECAUSE...	10
	2011 GMC Savana 2500 4.8L steering VIN: 1GTW7GCA3B Hi everyone again, First of all I like to thank all of you for the suggestions, they were helpful to make some decisions to the fixing. Sorry for not responding sooner ,the reason as been that the customer works out of province and needed the vehicle and to...	8
	1999 Honda Accord LX 2.3L Poor Idle Quality, MIL Lamp on VIN: 1HGCG6652X Noticed the vehicle was idling high at 1000 rpm, adjusted the idle speed down to 750 rpm and code has not returned since. The fix was replacing the idle air control valve and adjusting idle speed. Thanks to everyone for your replies and all of your help. Trouble codes: P0505.	20
	2006 Mercedes-Benz E350 3.5L battery light on VIN: WDBUF56J86 EVERYBODY HIT IT ON THE HEAD WITH THE AUX BATTERY UNDER THE HEPA FILTER. REPLACED IT WITH OE BATTERY, CLEARED SYSTEMS AND CRANKED AND HAS NO FURTHER ILLUMINATION OF THE BATTERY. THANK YOU TO ALL FOR THE QUICK RESPONSE.	5
	1995 Nissan Maxima GLE 3.0L No Start, flooding VIN: JN1CA21D4S In a sense I fixed this vehicle, took awhile and alot of diagnosis and 2 questions answered. This vehicle was at 5 different shops with a variety of fixes mostly injector replacement. What it finally came down too was that we were not getting check engine flas...	7
	2002 Nissan Altima 2.5L A/T Flexplate VIN: 1N4AL11D52 Well, this car finally left yesterday and the problem is fixed. Not only was the flexplate on backwards, it also was missing an alignment dowel in the bellhousing. Took a week for me to get a dowel from Nissan. This car also had many missing and loose bolts...	6
	2006 Nissan Altima S 2.5L Misfire VIN: 1N4AL11D06 This car had compression below factory minimum specs and was burning enough oil that we surmised carbon in the intake valves may be at fault. We decarboned the intake system with GM top engine cleaner and the symptom went away (for now). This car needs a new... Trouble codes: P0302 (2 Cylinder Misfire).	9
	2008 Nissan Rogue SL 2.5L No Start VIN: JN8AS58V38 thanks to the replies,replaced pcm,started right up,if cam and crank sensor waveforms are correct at pcm ,has all grounds and voltages at pcm ,has not set codes,no codes for antitheft,I was trown off with all the stretched timing chain problems that I read tha...	6
	2002 Pontiac Montana 3.4L No Start VIN: 1GMDX13E82 after getting first replie stating that it sounded like a crank sensor problem. i hooked up scope and sure enough crank sensor pattern started showeing clitches in pattern. Replaced crank sensor ans ao far customer has not been back. Thanks to all who replied ...	10
	2003 Saab 9-5 Linear 2.3L DI, injector VIN: YS3EB49393 I forgot to mention that I had run the Immobilization program two times yesterday without fixing the problem. This morning I decided to try doing that again, since I've had to try 5 or 6 times to get keys to read when I add them. So, I ran the deal 5 more ti...	9
	2001 Toyota Camry CE 2.2L Electronic VIN: 4T1BG22K31 This one is finally fixed, I couldn’t find anything wrong with wires I put a new ECU same problem so I sent it at the transmission shop and they found a broken wire. The pig tail that goes at transmission housing was broke so they replaced it and the car run...	3
	1997 Volkswagen EuroVan Camper 2.8L Ignition system VIN: WV2EH8703V Well it's fixed! Thanks for all the help guys. Found a blown fuse. Since I was unable to locate any wiring diagrams just started checking all the fuses. Found one blown fuse marked "Rear Plate Light". Replaced it and Check engine light would now come on. Van f...	7

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