Automotive Technicians Technical Discussion and Fixes for Feb 20, 2013

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	Help Request	Answers
	2007 Audi A6 Quattro 3.2L Voice Control VIN: WAUDH74F57 Dear Audi Friends, This car arrived with nothing working in the MMI, (Bluetooth does not pair with telephone, Radio and CD player quite working intermittenly), we traced it back to a defective telephone control unit (# 4F0.910.336HX) replaced control unit and ...	View
	2006 BMW 325i 3.0L right side power window VIN: WBAVB13506 Hello everyone, we have a 06 BMW 325i that had a failed right rear window regulator. We installed a new factory regulator, reinitialized it and all functions work except that when the window is in the full down position, then commanded up, it will only move up...	View
	2002 Buick Rendezvous CX 3.4L 2-3 shift VIN: 3G5DB03E42 i got a buick rendezvous the transmision slips on the 2-3 shift rpms go to 3600 at 32 mph then shifts to third.on the scanner in first gear the 1-2 shift sol on and 2-3 sol is on.alldata shows it should be 1-2 on and 2-3 on.in 2nd gear 1-2 is on and 2-3 sol is...	View
	2004 Buick Rendezvous Ultra 3.6L Right front headlamp and fog lamp dim VIN: 3G5DB03704 Battery failed on this Buick but before hand I noticed the right turn signal indicator was on steady-with service vehicle soon light on. All bulbs work, but only 8 volts across the right front headlamp fuse. When you turn on the head lights the left front is ...	View
	2006 Cadillac DTS 4.6L MIL Lamp on VIN: 1G6KD57Y46 Hello everyone, thanks for taking the time to read this. I have this '06 DTS with a repeat P0420. The car is very well taken care of and is a regular customer. By all of my testing, this car is running properly and the new cat does not seem to be a problem. It... Trouble codes: P0420 (Catalyst Efficiency Below Threshold Bank 1)	View
	2005 Chevrolet Cobalt LT 2.2L No power, wont rev VIN: 1G1AZ52F75 This customer brought this vehicle to us AFTER He and "AutoZone" spent a lot of money on parts. The issue/problem is it has no power and will not rev up/take thottle. If you play with the throttle slowly you can get it to rev in neutral, but not driving. You c... Trouble codes: P0101 (Maf), P0106 (MAP or BARO out of range), P0068 (MAP/MAF Throttle Position Air Flow Corrolation)	View
	2004 Chrysler Sebring LX 2.4L No Start, random no start VIN: 1C3EL46X24 This sebring is driving me nuts. It came in with a random long crank/no start. Customer drops it off, and it starts up for me. It has had both the cam and crank sensors replaced. I have scoped both sensors to verify new parts are working properly. Fuel pressur...	View
	2008 Dodge Sprinter 2500 3.0L battery VIN: WD0PE84538 vehicle arrived with dead battery charged and load tested battery took charge fine. Load tested battery 400amps 9.86 volts. While idling or raising rpm charges 13.1volts but will vary to as low as 12.1 at times. Vehicle has aux batterys that are maintained by ...	View
	1996 Ford E-350 Econoline 7.3L No Start VIN: 1FDKE30F5T OK. This one was towed in. Crank no start. Quick check showed p0340 in memory codes. Check of rpm reading while cranking is ok. Replace cam sensor anyway. Clear code recheck. No code present. Check of fuel filter shows dry housing and I mean dry. Smoke and pre...	View
	1997 Ford Explorer Eddie Bauer 4.0L Gem Module VIN: 1FMDU34X7V Vehicle came in with a very low battery and complaint of 4x4 not working and the 4x4 lights on the switch flashing. They assumed something stays running after they shut it off because if it sits a day or so they have to jump. I charged the battery and verified...	View
	2002 Ford Explorer Limited 4.6L 5-4 shift? VIN: 1FMZU75W72 Explorer had a rebuilt transmission installed in August. Problem is very Intermitent! Only happened twice on six different test drives. What happens is when driving at a speed of 45-55 mph with light to medium throttle, the truck acts as it falls out of gear a...	View
	2005 Ford Five Hundred SE 3.0L shifting VIN: 1FAFP23105 Thanks for your taking time to read this. Checking vehicle for 2nd opinion. I am not a trans shop, but I do advanced drivability and told customer I would try to determine if this was a control problem or mechanical trans problem. Previous shop told him $1600....	View
	2006 Ford Mustang 4.0L MIL Lamp on, wrench light VIN: 1ZVFT80N46 This one is really kicking our buts. Intermitantly while driving the wrench light will come on and then it goes into reduced power mode. Shut it off and restart it and all is good again untill it fails and wrench light comes back on. This can be 20 mins later... Trouble codes: P061B	View
	2011 Ford F-250 Super Duty King Ranch 6.2L Two Cyl. No Compression VIN: 1FT7W2B65B Truck came in with 7 missfire codes, found 5 cylinders gas fouled. Found faulty maf & pigtail. Replaced maf, pigtail and plugs. Still had miss on cyl. #2 and cyl #5. Cyl #2 has 100lbs comp. Cyl #5 has 0. Other cyl. Have 140 lbs. Swaped coils and missfires did ...	View
	1991 Honda Civic DX 1.5L Iacv VIN: 2HGED6350M personal car which now idles irregularly and surges. I suspect the idle air control valve is sticking and needs to be cleaned. But where can I obtain a new gasket if the existing gasket breaks when I disassemble the IACV? Honda does not list that part.	View
	1996 Honda Civic EX 1.6L headlights VIN: 1HGEJ8148T OK guys So customer came in had a complaint about his Car constantly dying , later to determine his battery was bad and had it replaced, he then went off and about a month now, he came back saying that his lights dim when in gear and later put to neutral , I w...	View
	2000 Honda Accord EX 3.0L Starting VIN: 1HGCG1659Y Towed in with no start, no spark or injector pulse. MIL comes on when key turned on, goes out for a second and then green key security light starts flashing and MIL comes back on. Checked power and grounds at immobilizer receiver and all good. They have no spa...	View
	2004 Honda Accord EX 2.4L air mix control motor VIN: 1HGCM56604 Customers complaint is "vents blow hot cant adjust a/c and heat". Upon inspection I found it is adjustable to a point. When setting to max heat cool air (not cold) blows from air registers simply back off max setting one possition and you have good heat. Same ...	View
	2002 Hyundai Accent L 1.5L Poor Fuel Economy, hard start VIN: KMHCF35G02 We have a 2002 Hyundai Accent L with a complaint the check engine light on,a drop in fuel mileage and after fueling it is very hard to start. The 02 sensor was replaced by another shop and the gas cap too. Heres what we found so far . We can blow through the p... Trouble codes: P0441 (EVAP System incorrect/no purge), P0442 (EVAP Small leak), P0130 (O2 Sensor fault bank 1 Sensor 1)	View
	2003 Hyundai Santa Fe GLS 2.7L Timing Belt VIN: KM8SC13D93 Hello Everyone, We have this vehicle come in on the wrecker. The vehicle died going 55 mph down the road. We brought it into the shop and sounded like the timing belt broke. Removed top cover on head to see timing belt and it was loose. Our only question is i...	View
	2007 Hyundai Sonata GLS 2.4L MIL Lamp on, Lean VIN: 5NPET46C47 Need some other's insight on this one. Car original came in with a check engine light on. Found 2 lean codes and a cylinder 1 misfire code. We found a bad intake gasket. Informed the customer but they didnt want to do the repair at the time. They brought the c... Trouble codes: P2096 (Post Catalyst Fuel Trim System Too Lean)	View
	1997 Jeep Grand Cherokee Limited 5.2L tcc lock up VIN: 1J4GZ78Y3V vehicle goes in and out of torque converter lock up while driving at speeds above 50 mph. no dtcs stored in pcm.	View
	2000 Jeep Grand Cherokee Laredo 4.0L All gauges VIN: 1J4GW48S6Y Hey guy's pulling out whats left of my hair. 2000 Grand Cherokee. Gauges turn off and on till you unplug alternator. Sent PCM out and was told it was fine. Has new BCM, Reman alternator. Cleaned and inspected all grounds, and connections.	View
	2002 Jeep Grand Cherokee Limited 4.7L p/s VIN: 1J8GW58NX2 Hi folks. This Jeep has been back three times w/ same complaint. We originally replaced the box & pump (Leaking). Customer returned two weeks later complaining of hard to steer in stationary position. We replaced the pump & it returned a few days later w/ same...	View
	2006 Land Rover Range Rover HSE 4.4L Ride control VIN: SALMF15416 Hi , my main question on this 2006 Range Rover L/322 will with the J5234 Pass Thru too work with programming a suspension module. The Land Rover page is running me all over the place! Thanks George , we do have the adapter 4220 from Land Rover.	View
	2007 Land Rover Range Rover Supercharged 4.2L Mechanical VIN: SALMF13447 2007 Range Rover Customer Complain the brake pedal sometime is hard to stop , its feels like a hydru booster issue, we change the brake fluid & bleed the system, still the same , the problem comes & go, I noticed it does overnight & after 5 minutes of driving ...	View
	1995 Lexus LS400 4.0L Lock up convertor, warning lights VIN: JT8UF22E3S Hello fellow techs, We have this 1995 Lexus that came in with the customer complaint of a check engine light and a flashing green ect/power light. We have codes P0773, shift solenoid ‘E’ electrical, lock up convertor solenoid,AKA SLU sol. and P1765 linear sole...	View
	2006 Mazda 3 S 2.3L in limp VIN: JM1BK32456 Thanks for any and all help. This car came from another shop stuck in 4th and a hard reverse. The shift light when put into gear will flash 1 then 4. when running only The indicator works normal key on engine off. Tested the power and grounds and found to be o...	View
	2001 Mercedes-Benz E320 3.2L Hesitation VIN: WDBJF65J61 Hello all you Mercedes techs, thanks for any advice you can provide. So this car had been jumping from shop to shop which scares me a little because so many hands have already been on it. I had requested for the customer to bring in previous invoices from the ... Trouble codes: C1024, C1041 (Undocumented Code)	View
	2011 Mercedes-Benz ML350 Bluetec 4Matic 3.0L major oil leak VIN: 4JGBB2FB8B Good afternoon Mercedes Benz techs everywhere.Before I start this post I want to advise that there is NO warranty on this vehicle.It was towed in spewing more oil than the exxon valdez.The rear main seal or something related is pouring from between the engine ...	View
	1997 Mercury Sable GS 3.0L Hesitation, Cuts out, Misfire, MIL Lamp on, Pings VIN: 1MELM55U0V Vehicle came to us with aftermarket cam sensor installed. Scanned and found P0340 checked the syncronizer and it has marks from hitting the sensor. Replaced syncronizer using otc installation tool and cam sensor, also replace dpfe because it has the pot metal ... Trouble codes: P0340	View
	2006 Nissan Pathfinder SE 4.0L oil press gauge and warning light VIN: 5N1AR18U36 Customer noted lower than normal oil pressure on cluster after oil change (customer replaced himself). Inspection of complaint noted reading ok at initial start up , but would drop off and read low with warning light coming on as vehicle warmed . Also noted pr...	View
	1997 Saab 900 SE Turbo 2.0L ecm VIN: YS3DF55N2V This saab has no injector pulse or spark or fuel pressure. Scoped crank sensor good wave form 560 mac and good resistance. ECM is not grounding the main relay.All the other wires at the relay have the correct voltage.If I disconnect the ecm and reconnect it th...	View
	2005 Subaru Baja Sport 2.5L o2 sensor VIN: 4S4BT62C25 This Subaru Baja came in with the wiring pulled apart at the front o2 sensor wiring connector. The male pin connectors are pulled out of the connector. The wire colors on the wiring harness side of the connector are different than the colors on the o2 sensor p...	View
	2005 Subaru Legacy GT 2.5L Excessive Emissions, No power VIN: 4S3BL68625 Hello Subaru techs. This legacy had the above codes and blowing smoke. We replaced the belt, pulleys, tensioner, and water pump. Vehicle still blowing smoke. Turbo ticking at idle and oil on heat sheild of turbo. We also had pending code for p0011. Engine oil ... Trouble codes: P0011 (A cam position over advance or system performance b1)	View
	1996 Toyota 4Runner Limited 3.4L Flex Plate VIN: JT3HN87R1T I have a strange one for all of the toyota techs out there. This 4 runner has now broken it's 4th flex plate (flywheel). We first encountered this vehicle after it had broken it's 3rd. After removing the transmission we found a few flex plate to crankshaft bol...	View
	2000 Toyota Camry CE 2.2L MIL Lamp on VIN: 4T1BG22K9Y Going to make this short and sweet. This 00' camry 2.2 keeps setting a p0340 code within a few seconds after it starts. Cam signal is good and strong right at the computer as is the crank signal. Car runs fine. When I scope the cam/crank, the distinctive notch... Trouble codes: P0340 (camshft sensor signal)	View
	2002 Toyota Avalon XL 3.0L Gas Pedal VIN: 4T1BF28BX2 This car has a problem with the gas pedal sticking upon acceleration.once you punch it and brake it loose the pedal is fine, then when you stop and hit the pedal again it will stick again. But here's something interesting, this will only occur when the engine ...	View
	2004 Toyota Land Cruiser 4.7L Noise VIN: JTEHT05J54 This 4.7 has a high pitched whistle when running at idle. We pulled the drive belt and the noise is still there. Also checked for vacuum leaks because the noise is similar to a vacuum leak. We believe the noise is coming from under the timing belt cover. It is...	View
	2004 Volkswagen Beetle GL 2.0L thermostat VIN: 3VWBK21C94 vehicle was in 1k prior and had an overheating issue. heater core was warm (both hoses), but lower radiator hose would stay cold. Replaced t-stat, no help, found water pump intact. Replaced radiator, which seemed restricted and was leaking anyways, and car see...	View
	2005 Volvo S60 R 2.5L Lower steering column VIN: YV1RH52775 Hello everyone, just throwing this one out there. Customer came in with steering issues and found the lower u joint binding on the steering column. Seemed like a simple repair but when I went to remove the lower pinch bolt it snapped off at the head. Looks lik...	View
	2005 Volvo XC90 2.5T 2.5L No Start VIN: YV1CZ59275 This vehicle intermittently blows the fuel pump fuse and will not run. I am aware of TSB 23-29 about installing the new harness and updating the REM. My problem is that the TSB specifies and shows pics for the car but not the XC90 suv. I can not locate the acc...	View

Fixes & Summaries for All Makes and Models

	Fix/Summary	Answers
	2003 Audi A6 Quattro Avant 3.0L Misfire VIN: WAUVT64B43 Well, the customer decided they didn't love the car enough to repair it. Looks like it will be a handyman's special somehwere. As stated in the update the car has a problem with coolant leaking into cylinder 1 after sitting for at least 20 minutes. Could be... Trouble codes: P0300 (Random Multiple Misfire), P0301 (Misfire Cylinder 1), P0431 (Cat Bank 2 Efficiency Below Threshold), P1624 (MIL Request Signal Active has tranny codes).	2
	1996 Chevrolet K1500 Cheyenne 5.7L scan tool data VIN: 2GCEK19R3T Here's what I found out. TP Range: Displays Yes or No. This parameter indicates when the throttle position is within a range that enables shift adapts. Yes indicates that the TP is within the calibrated zone. TP Delta: Displays Yes or No. This parameter...	6
	2002 Chevrolet Trailblazer LS 4.2L transfer cas VIN: 1GNDT13S02 well as i guessed it was the switch on the dash that was giving me trouble after putting a new one in and waiting a week vehicle has not come back and seems to be working fine. thanks for all your help. Till next time	9
	2007 Chevrolet Silverado 1500 LTZ 5.3L Gauges, Tach., Radio, Starting VIN: 2GCEC13J17 I would like to thank everyone who replied to this help request. Unfortunately time to give this vehicle further attention became an issue and the customer took the vehicle to the dealership. Should a solution to this problem surface I will let you know. Thank...	10
	2009 Chevrolet Express 2500 4.8L Oxygen Sensors VIN: 1GCGG25C49 Thanks for the great tips I always learn something when I use this site. I could not find a vacuum leak when it was hot or cold. I could not find any pin holes in the exhaust. I replaced bank 1 sensor 1 O2 sensor because it was a little lazy. The van has been ...	6
	2001 Chrysler PT Cruiser 2.4L No Start VIN: 3C8FY4BB01 Thanks to all that replied, we found a speratic crank signal that only showed up in below zero temp setting. We replaced reman crank sensor with OEM and all is well, starts realy good now during this cold snap that we are currently going through. Thank you a... Trouble codes: P0340.	12
	2003 Dodge Ram 3500 5.9L torque convertor, flex plate and bolts VIN: 3D7MU48C03 The truck is back on the road now for a couple of days without any issues yet. Torque convertor bolts were measured against the convertor tabs and correctly torqued and lock tighted. They are the correct length lots of room. The customer would not go for the b...	18
	1998 Ford Ranger Splash 2.5L engine VIN: 1FTYR10CSW I took the truck to AZ to get the codes. It showed MAF sensor, IAC valve, possible vacuum leak, misfire on #4, and TPS. Then I tracked down the mechanic that worked on it previous. He did not install the intake gasket when he replaced the head. Solved the ...	20
	2002 Ford F-350 Super Duty XL 7.3L Misfire VIN: 1FDWF36F62 WELL, AS A FEW OF YOU SAID, I REMOVED BOTH VALVE COVERS WHILE ENGINE WAS COLD AND STARTED ENGINE, WATCHED INJECTORS FOR OIL OVERFLOW AND FOUND 4 OF THEM DID NOT HAVE ANY OIL COMING OUT, LET IT RUN TIL ENGINE GOT SOME TEMP. IN IT AND ALL INJECTORS HAD OIL COMIN... Trouble codes: P0263, P0266, P0269, P0281.	9
	2007 Ford F-150 XLT 5.4L No start VIN: 1FTPW145X7 Hi dear friends, thanks to all members who help me with this one, finally problems is on the Pcm because i test from another car and get comunication with vcm ids, now i need to order an new and program, so this will run ok, thank you so much. att. Xavier	5
	2007 Ford F-250 Super Duty XLT 6.0L extended cranking VIN: 1FTSW21P77 Wow,thanks for the 26 replies to this problem child diesel.The first thing I did was to take the oil filter out,hold the drain back valve closed and have another guy crank over the engine.The canister filled up in about 5 seconds.I installed a motorcraft filt... Trouble codes: P0611, P0261, P0264, P0267, P0270, P0273.	27
	2007 Ford Expedition XLT 5.4L long crank time VIN: 1FMFU16507 no this one doesn't have a fpdm replaced fuel pump all is well. fuel pressure would drop to almost 0 after key off now about 35 Psi after 1 hour thanks to everyone	12
	1997 GMC K2500 Sierra SL 6.5L Unknown VIN: 1GTGK29F7V Costomer is looking for a used unit and converter. so i will leave it as not fixed as of yet but, should be soon. I hope	15
	2005 GMC C5500 Topkick C5C042 6.6L MIL Lamp on VIN: 1GDE5C32X5 Unfortunately I have not corrected the problem but have hopefully found a shop that specializes in these miserable engines. I will make a post of repair when all is corrected. Thanks for the inputs, Nick H Trouble codes: P0046.	4
	2007 GMC Acadia SLE 3.6L 4-5 shift Thank you all for your help I Will change all pistons and return the original TCM will tell you of developments Lane that waht I expect Piston Problem Greetings to all	4
	2010 GMC Sierra 1500 WT 4.3L drivetrain VIN: 1GTPKTEX6A Well I have to close this help request for now but I'll be sure to update it when I actually know what the problem is. Further to my previous update the customer installed 4 new tires, drove the truck for three days around town and then headed on a small trip ...	12
	2002 Honda Odyssey EX 3.5L Poor Idle Quality, Hesitation, Cuts out, Stall, Misfire, MIL Lamp on VIN: 5FNRL18012 This one is great, pulled fuel sending unit and found salt in gas tank. Removed and replaced tank, fuel sending unit, flushed fuel lines, sold a locking fuel cap. Runs better, but hoping the injectors will clear themselves from the gunk/sludge/salt. Thanks to ... Trouble codes: 1399 (Manufacturer misfire temporary code), 300 (multiple misfire), 301 (cyl 1 misfire), 302 (305 -), 305 (306 -), 306.	24
	2005 Honda Civic DX 1.7L 5th gear, Reverse VIN: 2HGES15165 Thank you for all your help guys. Paul from Tennessee nailed it - low fluid. I feel like an Idiot but someone had put the wrong axle in. It looked like it fit but it was popping in and out over bumps. The Honda manual transmission fluid was so new and clear...	15
	2005 Land Rover Range Rover HSE 4.4L cam timing Sorry I thought I closed this already. I ended up re-adjusting the reluctor wheels on both banks to where they were originally and the faults went away. engine runs great. Thanks for all the suggestions!	8
	2000 Lexus GS300 3.0L cam/crank VIN: JT8BD68S6Y Thanks for all the suggestions,you guys have saved me a bigger headache!!THE FIX--REPLACED BROKEN CRANK/RELUCTOR(Had one tooth broken).Car runs great,customer is happy and so am I.Thanks again.	12
	1997 Mazda 626 DX 2.0L clutch travel VIN: 1YVGE22C3V Well we fixed it, after trying shimms and another master cylinder, and even a slave cylinder we started looking closer at the pedal and rod more closely. We found that the found that the piston in the master cylinder was actually returning all the way. So when...	21
	2001 Mercedes-Benz S430 4.3L cluster VIN: WDBNG70J21 Well thank you guys for your response, I was no sure if I was doing it right or not but acording with the results the riple test is good at this point, that means that the voltage Am getting out of the alternator is very low only 100mv, now, what I was worried...	4
	2008 Nissan Altima SL 2.5L Misfire, Poor Fuel Economy this car is fixed. it was the AF sensor. once i replaced it the rear o2 voltage came down to a pretty steady voltage of around 500mv. thanks for the help everyone. Trouble codes: P2A00.	9
	1998 Saab 9000 CSE Turbo 2.3L abs VIN: YS3CF68M8W Unfortunately this car was in an accident and I am going to have to close this post for now. Although the customer stated that he had cleaned all the connectors, that was going to be our first step as recommended by several of you. If that didn't help, we we...	7
	2003 Saturn Vue 2.2L MIL Lamp on, Dtc p1336 VIN: 5GZCZ23DX3 After exhausting all my other avenues of repair which included trying an Autel Maxidas and a Snap-on Verus I had decided to drive this vehicle to another shop that had a Tech2. About a mile from the shop I stopped for gas and after restarting I noticed the CEL...	3
	2008 Saturn Vue XE 3.5L timing cover housing VIN: 3GSDL43N58 Thanks guys, you were correct, there is a coolant crossover manifold on the front of this engine, the alternator & P/S mount are part of the housing. The gasket on the crossover at the rear head was leaking, when I got it apart it was obvious. The gaskets are ...	3
	2005 Subaru Legacy GT Limited 2.5L Program VIN: 4S3BL67645 Thanks to all that replied. 3 people also emailed me. The result is that the new PCM's do indeed come with the program already in them so hence the message from flashwrite that there was no new update available. Here is the problem. You cannot replace the PCM ...	4
	1997 Toyota Mark II 3.0L ABS Master Cylinder/Pump Unit Thanks to everyone who replied. Took the original unit apart and didn't really notice anything visibly wrong with it. However, because the signal from the pressure sensor was showing that it definitely was losing pressure, I decided not to proceed with "fixing...	4
	2001 Volkswagen Jetta GLS 1.8L MIL Lamp on, lack of power VIN: 3VWSD29M01 After numerous responses plus a little help from some close friends and a little closer look at the wire diagrams we found that the 3 wire conector for the boost sensor some how got croosed, two of the 3 were in the wrong cavity and when we realized this we sw...	4
	2004 Volkswagen Golf GLS TDI 1.9L Hesitation VIN: 9BWGR61J34 Well I finally got this one fixed; literally less than an hour ago.Ended up replacing the turbo, the oxygen sensor and the fuel pump. The turbo was clearly grenaded, and I think the concussion from it blowing up took out the heater element of the O2 sensor. I ... Trouble codes: P0135 (HO2S Heater Circuit Fault).	17
	2010 Volkswagen Jetta TDI 2.0L timing belt VIN: 3VWRL7AJ7A Thanks to everyone.. Initial test of camshaft - turned freely by hand. Ran compression test and revealed #1 cylinder low.. Waiting for customer approval.	9
	2005 Volvo V70 2.4 2.4L Hesitation VIN: YV1SW61215 Well we finally fixed this one. After several more days of frustration we scanned it again and for some reason this time I got a code but no MIL. It was showing knock sensor so I got it up in the air to look under the intake manifold and check the sensor and i...	6

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