Automotive Technicians Technical Discussion and Fixes for Nov 1, 2012

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	Help Request	Answers
	2007 Audi Q7 Premium 4.2L Mmi VIN: WA1BV94L57 vehicle sound system(AM, FM, Sirius, CD player, etc.) plays for 15 to 20 seconds then shuts off for 2 to 8 seconds and repeats this pattern for as long as you want to listen. Scanned all modules with VCDS and found no codes.while looking at data stream of any ...	View
	2000 BMW 740iL 4.4L seat VIN: WBAGH8345Y Hello everyone, not much of a BMW guy. the customers battery went dead. now the AC does not work, the power seat, power steering column, or the power window are intermitten. the windshield wipers do work, but do not shut off without cycling the key off, then t...	View
	2004 BMW X3 3.0i 3.0L fuel guage No DTC Is it normal for the X 3 to show low-fuel warning light while there needle shows quarter tank? if not, how to i calibrate the fuel indicator for the fuel	View
	2008 BMW 335i 3.0L Abs Dsc VIN: WBAWL710X8 Good morning BMW techs out there. This '08 335i came in with ABS DSc light on. The following codes were retrieved: 5DF0:hydraulic unit:pump motor 5DF1:hydraulic unit:pump motor connector faulty. 93FB:ACSM/MR55:no message(road speed)from DSC A3B9:instrumet clus...	View
	2008 Cadillac CTS 3.6L Timing chain VIN: 1G6DF577X8 Car has intermittent VERY LOUD timing chain rattle coming from Right bank (B1). I got teardown time to remove front timing cover. Removed front cover to find no broken guides or marks on timing cover from chain hitting, no tensioners fully extended, all in all...	View
	2003 Chevrolet Silverado 1500 5.3L Cuts out VIN: 1GCEK19T03 Hi guys thanks for the help in advanced. I have this 2003 Chevy Silverado giving me fits. I initially was sold on a fuel problem. What the problem is when you go around turns slow or come to a stop the vehicle cuts out and stalls. I scanned the vehicle and no ... Trouble codes: P1637 (Generator Turn-on Signal circuit out of Range)	View
	2006 Chevrolet Silverado 1500 LT 5.3L power steering VIN: 1GCEK19T16 this truck came in with an intermittant power steering issue. on further inspection we found as long as the vehicle was in motion the steering was fine. when at a full stop(does not matter what shift position) sometimes there is no power steering at all someti...	View
	2006 Chrysler Town & Country 3.3L lights VIN: 1A4GP45RX6 After van is running for awile, all of the lights will flicker. I monitored charging system and the duty cycle fluctuates from 0-28% while problem is occuring the alt. output voltage goes from 14-15.8 volts. The desired voltage from pcm stays steady at 14.2 vo...	View
	1992 Dodge Stealth R/T 3.0L Hesitation, Misfire VIN: JB3XD64B5N Hello I have this dodge stealth here and the thing has no power and will not stay running it almost feels like plugged exhaust. It has a miss. My problem is Mithell on demand has only a little info and I don't know where the power transister is on this. Would ... Trouble codes: 44 (ignition coil- power transister unit 1 and 4 cyl), 52 (ignition coil- power transister unit 2 and 5 cyl), 53 (ignition coil- power transister unit 3 and 6 cyl)	View
	1999 Dodge Ram 1500 Laramie 5.9L module VIN: 3B7HF13Z8X Customer brought vehicle in with front brakes pads worn to metal. I replaced front pads and rotors. Customer returned a few days later complaining of a noise from the front end. After test driving with the customer, it was discovered that the abs was activatin...	View
	2002 Dodge Ram 1500 SLT 4.7L Air Distribution VIN: 1D7HA18N72 Good morning all i need a little help this dodge blows heat only out the right side,this is not a duel zone system,good heat out all vents on the rite and cold out all vents on left. Air changes from defrost to floor and vents,just left side cold.i haven't had...	View
	2004 Dodge Durango SLT 5.7L extended crank VIN: 1D4HB48D84 One for you Iaccoca guys. Got this '04 Durango that had the block replaced. Original heads. For the most part it runs good but it has an occasional extended crank, especially cold, and will kick back on the starter. It might crank 3 or 4 times in a row just fi...	View
	2006 Dodge Magnum SE 2.7L Lash Adjusters / valve noise VIN: 2D4FV47T06 Apon startup the engine was making loud noise from valve train. We let it run for an hour and the noise got worse. The next day it started up whisper quiet. After 5 minutes the valves started making noise and after 10 it was nice and loud. We replaced all the ...	View
	2008 Dodge Sprinter 2500 3.0L Cuts out, Stall VIN: WD0PE84598 Throwing this out there in case someone has run into this. This Sprinter is still under factory warranty and I can say I am at a loss to what is the issue. Customer was saying the van would cut out regardless if the van was under load or not and sometimes wo...	View
	1996 Ford Explorer Eddie Bauer 4.0L Poor Idle Quality, hi idle speed VIN: 1FMDU34X9T Vehicle came to me with an idle problem & SES light on. The customer replaced a lot of parts and i checked to see if the parts were correct. I Tested and repalced DPFE sensor. Erased codes and no more SES light. The vehicle still has a very high idle speed and...	View
	2003 Ford F-150 XLT 4.6L Misfire, MIL Lamp on VIN: 1FTRW076X3 This high mileage vehicle sets a lean code on bank 1 and fuel trims indicate it is lean but no vacuum leaks have been found. There was a misfire code on bank 2 cylinder #6 and the Cylinder contribution function on our Solus indicates that there are slight misf... Trouble codes: P0171, P0306	View
	2005 Ford Taurus SE 3.0L Unknown VIN: 1FAFP53275 Customer came in with complaints of stalling, misfires, and hesitation. Heater 02 codes were retrieved from the vehicle with saying the bank 1 sensor 1 and bank 2 sensor 1 were reading stuck lean and stuck rich codes. After doing a visual inspection, we notice...	View
	2006 Ford Taurus SE 3.0L heater box VIN: 1FAFP53UX6 Hi Guys, I did not need help for a while and the flood door opens. This vehicle came in with major water leak in front passenger compartment with mould growing. Water test and found water coming from cowl area,sealed and tested ok. Car is back and we noticed w...	View
	2006 Ford Mustang GT 4.6L Poor Idle Quality, Misfire, MIL Lamp on VIN: 1ZVFT82H76 Customer has been chasing miss fires for several months, changed spark plugs and one coil, alternator quit last week, we installe OE reman, next day miss fire got to point that engine would shake at idle and surge at cruise rpm Verified alternator a/c voltage ... Trouble codes: P0301, P0316	View
	2007 Ford Edge SE 3.5L temperature control VIN: 2FMDK46C87 has proper operation on pass side. mode doors operate in all positions..hot to cold...cold to hot on pass side. has no temperature change on drivers side always cold... can see temp motor move back and forth but no change. do these have problems with door brak...	View
	2008 Ford Escape XLT 3.0L Transfer Case VIN: 1FMCU93128 I have this Escape that feels like it's binding up around tight turns.While turning in circles in a parking lot the SUV bogs downs like something is binding up and the rear tires want to break loose or hop.I have measured all 4 tires and they are with in a 1/4...	View
	2009 Ford Expedition King Ranch 5.4L reset VIN: 1FMFU18579 having trouble to register a new tpms sensor. i have activated the relearn procedure in the truck but my otc model 3834 activation tool is not resetting the system, truck message stays at relearn left front sensor although the otc tool says found all the senso...	View
	2012 Ford Mustang Boss 302 5.0L gear engagement VIN: 1ZVBP8CU5C Last weekend this car ran 202.7mph in the Texas Mile without and issue and drove [...] back home. Last night we took the car to the local 1/4mile track. The car ran 4 passes (best was 10.40 @143mph, spinning in 4th gear according to data logs). Track wasn't...	View
	2002 GMC Envoy SLE 4.2L Stall VIN: 1GKDT13S02 truck runs fine till you turn on a/c then stalls.a/c compressor O.K. engine code p0105 Trouble codes: P0105	View
	2008 GMC Acadia SLE 3.6L Wipers VIN: 1GKEV13788 The wiper system will not park, replaced motor, no change, scanned bcm switch malfunction indicated at the highest 2 intermitant settings, park active signal present(scanner) when on high speed setting, with high speed running. New switch produced no change in...	View
	2001 Honda Accord EX 2.3L Unknown VIN: 1HGCG32501 This customer came in with the complaint that under hard braking there was a vibration and an associated noise. I rode with the customer to verify her complaint, and during a hard braking condition it felt and sounded like the ABS pump was engaging. We perform...	View
	2000 Hyundai Sonata 2.4L Excessive Emissions, Poor Idle Quality, Hesitation, Poor Fuel Economy VIN: KMHWF25S3Y Vehicle was towed in July '12 because it was running so bad. Found MAF reading too high. Replaced MAF and performed ignition tune-up. Vehicle ran good. Car came back in 3 weeks ago for similar symptoms, but not as severe. Found high MAF readings again. Warrant...	View
	2006 Hyundai Elantra GLS 2.0L lean VIN: KMHDN55D96 Hello, I have a weird driveability issue. Car came in with the engine light on. We had previously replaced the b1s2 with an NTK sensor for P0138 & P0172. Then it came back two months later with mil lamp on, P0172 rich bank 1. I cleaned the Maf and test drov... Trouble codes: P0172, P2096, P2770	View
	1991 Jeep Wrangler Renegade 4.0L No Start, Stall VIN: 2J4FY69S6M The above mentioned parts were replaced trying to solve a stall/no start condition. Currently, the vehicle will start and run. The customer states that it will stall cold or hot. Sometimes it will restart right away. But it is very intermittent. I am leaning t...	View
	2007 Jeep Liberty Sport 3.7L Misfire VIN: 1J4GL48K07 this jeep is misfiring on cylinders 2 4 6 all on the right bank. the only time I have seen the check engine light start flashing is coming down a hill on decel I have never felt a misfire under load.I have replaced the spark plugs they were worn out. I have ch... Trouble codes: P0300	View
	2004 Kia Optima LX 2.4L vibrates @ 3600 to 4100 rpms VIN: KNAGD12644 vehicle vibrates at 3600 to 4100 rpms. I have disconnected the cat, muffler, tail pipe and braces to no avail. you can feel the vibration in the car. I have checked everything I could think of and I am still clueless.	View
	1991 Lexus LS400 4.0L Poor Idle Quality VIN: JT8UF11E7M Thanks in advance for your help; This car was towed into us after another shop replaced both Cats I drove the car and brought it back into the shop and the Exhaust system was cherry red does anyone know why that is and where should i start checking the battery...	View
	2003 Mazda Protege ES 2.0L No Start VIN: JM1BJ22573 Erratic injector pulse when cranking engine. verified cam timing is ok. good steady spark while cranking. wave form on cam sensor erratic. 35 psi fuel pressure.	View
	1995 Mercedes-Benz SL500 5.0L seat belt light VIN: WDBFA67E8S The issue with this vehicle is the seat belt light. When you start the car the pass. side gong in the saftey relay goes off for about 30 sec, the seat belt light flashes regular for 4-8 secounds then it pulses very fast from then on. If I disconnect the driver...	View
	2001 Mercedes-Benz SLK230 Kompressor 2.3L MIL Lamp on VIN: WDBKK49F71 This vehicle arrived at our shop with the complaint of inop speedo and multiple warning lights. The ABS, ESP, Brake, Brake Pad Warning, and Check Engine light are all on. The speedometer is inop, and the vehicle fails to shift out of 1st gear. I have read many... Trouble codes: P200F, P202B, P2027 (CAN Message missing from N47-5)	View
	2000 Nissan Maxima GLE 3.0L ignition coil VIN: JN1CA31A8Y An internet search points to aftermarket ignition coils causing this code. Oscilliscope not available to compare wave forms. Is this the likely cause?	View
	2000 Nissan Maxima GLE 3.0L Speedometer VIN: JN1CA31DXY Thank in advance .. Car came in shifts fine but no speedometer get it to 80mph the speedometer reads 20 watch it on scanner and mph are ok car has no codes and no other symptoms	View
	2003 Oldsmobile Alero GLS 3.4L No Start VIN: 1G3NF12E13 This car was towed into shop with no start. The engine does crank. The problem that we have is that it will blow the fuse for acbfc. It will only blow the fuse when the car sets over night in the shop. When we replace the blowen fuse in the morning. We can s... Trouble codes: B1374 (Divice ignition 1 circuit open)	View
	2002 Saturn L100 2.2L Gas smell VIN: 1G8JS54F02 Customer smells fuel when coming out of car. I put car on lift & smelled fuel vapors above the gas tank. Dropped tank ready to replace the fuel pump, but couldn't pin-point any broken lines or leaking seals. Did research on the internet & lot of people compla...	View
	2007 Subaru Legacy 2.5i Special Edition 2.5L shakey at idle VIN: 4S3BP61697 We just did the cylinder head gaskets. Just leaking oil. It started after doing the heads with the idle fluctuating but it passed after driving. My technician said doing install the t-body was really dirty. I told him not to clean it because we have had a t-bo...	View
	2001 Toyota Camry CE 2.2L Electronic VIN: 4T1BG22K31 This vehicle came with engine light on, pull the code and I found P0758 code. Cleared the code test drove vehicle and everything seemed good 20miles later engine light came back on and the vihicle stall a bit doesn't want to shift. Two days later replace the s...	View
	2000 Volkswagen Cabrio GLS 2.0L radio VIN: 3VWDC21V2Y I had a dead battery, replaced and now radio has coded. Pulled out radio and it had a handwritten code-tried but no good. VIN:[...] Any help with a code would be appreciated.	View

Fixes & Summaries for All Makes and Models

	Fix/Summary	Answers
	2002 Audi Allroad Quattro 2.7L heater core VIN: WA1YD64B22 Thank you Michael, I was able to remove the core by removing the drivers storage compartment (panel under steering column). It was tight job, massaging the wire loom out of the way and removing the brake light switch allowed removal. My back also needs a massa...	8
	2004 Buick Rendezvous CX 3.4L Exhaust VIN: 3G5DB03E04 Well customer finally brought vehicle back in yesterday so we could look it over again.Most of the replies suggested that we had an exhaust problem.Three guys came up with the right answer.Thanks to John from New York for printing out the TSB #04-04-17-001B.A...	12
	2004 Chevrolet Silverado 2500 6.0L wheel speed sensor VIN: 1GCHK29UX4 thanks to all iatn members as usual... prior to replacement of sensor (that still came apart during attempted careful removal) we had checked every tooth on tone wheel as well as verified no play in same tone wheel or play in bearing on hoist check, we suspect...	26
	2006 Chevrolet Impala LT 3.5L Hesitation VIN: 2G1WT58K26 this car ended up going to dealer ..we could not pin point the problem after many hours of diag. good thing is we did not try any new parts so we only lost time and some frustration, no worries. thanks for all that took time to help...	5
	2002 Dodge Grand Caravan Sport 3.3L engine VIN: 1B4GP44312 Thanks for all your help. I did replace the computer and it ran like a charm. They programmed it to the vin and viola it worked great. Thanks again for all your help with this.	16
	2008 Dodge Caliber SE 2.0L Heater Performance VIN: 1B3HB28B38 Ok. It needs a heater core. I have a blast vac which I use for pressure flushing heater cores when I think there may be a restriction. I did it 4 times on this one. Every time the heat output went up. When I was finally getting 140 degrees at the vents cruisin...	5
	1997 Ford Windstar GL 3.8L Shift & early TCC VIN: 2FMDA5145V Based on the fact that just about everyone that replied said the VSS is causing the problem, whether it was a bad sensor or wiring issue, either way, VSS was going away. Turns out this has a mechanical speedo, which explains why it was unaffected. The VSS ...	10
	1998 Ford Contour LX 2.5L Shift Linkage VIN: 1FALP66L2W There is no other way of getting the shift tower out without pulling the transmission. Now back together the tranny is shifting fine. The Cust is in recovery from the shock of the bill. Thanks to all that replied.	4
	2000 Infiniti I30 T 3.0L Cuts out Thank you for all the replies and advice. I replaced the plenum gasket and the problem is GONE. He's been trying to solve this for 6 years. It was the customer who found the answer this time, if you can believe that.	10
	1994 Jeep Wrangler S 2.5L No Start VIN: 1J4FY19P0R still have no current voltage at the coil i do have some ref volts i have order a new PCM (tricky to find they have to rebuild mine ) i will post this truck fix when i get the pcm to seen what happens also i have 0 volts at the sensing wire at the pcm	10
	2003 Jeep Liberty Sport 3.7L MIL Lamp on, indicated misfire VIN: 1J4GL48K73 The customer needed to use the vehicle so we returned it to them. They have not returned the vehicle yet and it seemed to be running a bit better. I don't know if we will get to the bottom of this one. Trouble codes: P0300 (Engine misfire detected), P0301 (Cyl. 1 misfire detected), P0302 (Cyl. 2 misfire detected), P0303 (Cyl. 3 misfire detected), P0304 (Cyl. 4 misfire detected), P0305 (Cyl. 5 misfire detected).	10
	1998 Kia Sportage 2.0L MIL Lamp on VIN: KNDJA7234W Continued monitoring over two days left us with the conclusion that there is an intermittent continuity issue in the wiring harness connections C123/C124 as per a factory recall (which had been performed many years ago). We explained to the customer that we co... Trouble codes: P0101.	4
	2008 Lincoln MKX 3.5L Water pump VIN: 2LMDU88C58 Thank you once again to all who've helped me here. I discovered that my initial search for recalls or TSB's on this problem missed a "Customer Satisfaction Program" number 09M04 which Ford says is related to cooling system corrosion and consists of a heater sy...	6
	2011 Mercedes-Benz E550 5.5L convertible top VIN: WDDKK7CFXB the top is still closed position.got a owners manaul and it does show how to close the roof manaully but find out that problem is rear seat head restraint system.head restraints are still in up position and will not re-set.trying to figure out how to re-set re...	6
	2005 Mercury Mariner Premier 3.0L shift interlock VIN: 4M2YU57195 As of this point the vehicle seeems to be fixed. The customer took it to a shop near where he lives. They diagnosed it for him but did not repair. They told him it needed a new shift interlock selonoid and sent him away after taking 100 dollars from him. I tol...	5
	2005 Saab 9-3 Arc 2.0L Headlights VIN: YS3FD79Y35 Thank you for all your replies. I was not able to find the headlight bulb retainer seperately. I did get creative with plastic tie wraps and secure it.	9
	2005 Saturn L300 3.0L timing belt VIN: 1G8JD54R55 Hi All Thank You very much for answering my question. Most said if i locked cams and was Very careful I shouldn't have any problems.replaced belt and tensioner, no real problems took my time and triple checked everything. turned engine by hand 2 revelotions n...	14
	1999 Toyota Camry CE 2.2L Mechanical VIN: 4T1BG22K5X Thank you for the replies. Yes I did align the split cam gear. I ended up pulling the head and oil pan. Did not see any marks on head or valves from piston contact, very little carbon build-up. There was alot of metal shavings in pan from balance shaft bearing...	6
	2001 Volvo S80 T6 2.8L Mechanical VIN: YV1TS90D81 vehicle is fixed used tining marks on oil pump and block thanks for all the suggestions and smart remarts	8
	2002 Volvo V70 X/C 2.4L Torque converter VIN: YV1SZ58D72 Performed double flush on transmission and let customer have for weekend. That was two weeks ago, called her this morning. Hasnt happened since. She forgot there was an issue. Thanks very much to everyone who responded, confidence is key and with a few word...	8

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