Automotive Technicians Technical Discussion and Fixes for Apr 24, 2012

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	Help Request	Answers
	2000 Acura RL Premium 3.5L No Start VIN: JH4KA9655Y Hi guys, I have one that came in on the hook. The vehicle is a no start Acura 3.5 rl. I checked the vehicle’s fuel pump and it ran. I sprayed carb cleaner in the throttle body and it started and ran for about five seconds. So I ordered a new fuel pump and filt...	View
	2007 Audi A3 Quattro 3.2L Telephone Module VIN: WAUKD98P87 other techs have previously looked at this car and replaced all listed parts, batery still dies intermitently. scanned and found telepone module internal fault, looked up tsb's and found one relating to the phone module draining the battery. I would like to di...	View
	2003 BMW M3 3.2L Mil VIN: WBSBR93413 Vehicle came in with the MRS (SRS) light on. customer had been in for several prior services with the SRS light on. Each time we checked it had a code for the pass side occupancy sensor intermittent fault. Customer finally wanted to fix the SRS and he ok'd rep...	View
	2003 BMW 325i 2.5L Stall VIN: WBAET37493 No codes.Car starts normally,if you let it idle 5-10 mins it will drive just fine.If however you start it drop it in gear and go to take off as soon as you touch the throttle pedal it shuts off like you turned the key off.It will idle fine in or out of gear ev...	View
	2004 BMW 330Ci 3.0L Anti Theft VIN: WBABD53414 We recently replaced the EWS module & the key antenna coil due to a no crank condition. At that time it had a DME code for DME-EWS interface & an ews3 code for incorrect random code. Live data showed that both old & new keys weren't being recognized. This ti...	View
	2007 BMW 530i 3.0L battery retrofit VIN: WBANE73587 Guys, let me start by saying I am not trying to be negligent but looking for your wisdom from being in the field longer than I have. I installed an agm battery to this vehicle, was told by my diagnostic tool supplier that I could do the retrofit from the gt1....	View
	2005 Cadillac SRX 4.6L No Problems VIN: 1GYEE63A35 I changed alternators with a NAPA and a DELCO with same results. I had original tested at local rebuilder, claimed oil damaged and he rebuilt it. When installed, same result. Sense line from alt to DLC is active.	View
	2004 Chevrolet Avalanche 1500 Z66 5.3L Transfer Case VIN: 3GNEK12T54 Have front outputshaft seal leaking,after 1000km, replaced front seal in the truck, leaked again after 1000km,removed transfer case to inspect,all looked good installed another new national seal, road tested for 200km last nite,looks like the seal is pushed ou...	View
	2006 Chevrolet caprice 6.0L 4th shift good afternoon & thanks in advance.I need assistance please,because my head hurt that this problem. I did everything & I saw nothing wrong inside of the transmission, & also check the shift solinoids; TCC & PWM, everything is ok, but still no 4th gear, no DTC....	View
	2008 Chevrolet Silverado 1500 WT 5.3L power door lock VIN: 3GCEK13368 Thanks for any help, I have this 08 Silverado that the left side door locks do not work, it's a 4 door, neither the LF nor the LR locks work. The windows all work, there are no BCM codes. The data from the BCM shows that the door switches work and the commands...	View
	2007 Chrysler 300 Limited 3.5L Sunroof VIN: 2C3LA53G37 Have a 2007 Chrysler 300 Limited, came in with sunroof wouldnt open all the way. Found bad sunroof assembly. Installed new Sunroof Assembly. Opens and vents fine, but will not close all the way. Tried to adjust, no better. When commanded with scanner to turn m...	View
	1995 Dodge Dakota 3.9L hi beam relay VIN: 1B7GL23X0S I have a simple question. I can't find the hi beam relay. I guess I'm blind or something. Alldata shows it on the diagram and says it's on the right side of the steering column. I don't see a relay on the right side of the column. I can't find anything about i...	View
	1998 Dodge Neon R/T 2.0L miles per hour VIN: 1B3ES47C4W speedometer works when it wants to. The speed sensor is giving the correct reading on the scanner when ever the car is moving. Sometimes it will work when going over bump sometimes it will start on smooth road. No ryme or reason. Im thinking maybe the circiut ...	View
	1999 Dodge Durango SLT 5.9L No Start VIN: 1B4HS28Z9X Gentlemen I have this Durango that was towed for a no start. Owner was using for some short trips and than, crank and no start. We had it in last November for the same thing and found the 20A fuse blown. However we were not that lucky this time. We have spark...	View
	2001 Dodge Ram 1500 Laramie 5.9L No Start VIN: 1B7HF13ZX1 Hello everyone. My customer said he parked truck in the evening and it wouldn't fire in the morning. When he towed it to me he showed me that there was a buzzing/rattling in underhood relay box. I hooked up scanner and have no communication. The odometer will ...	View
	2005 Dodge Grand Caravan SXT 3.8L 1-2 shift VIN: 2D4GP44L95 Hi,got an issue I have never seen before. This vehicle sometimes will shudder in 1st gear before shiftting to 2nd. Under normal driving conditions (cold or warm) it is fine. When you step on the gas for a quick launch the 1-2 shift will "slip" and the RPM goes...	View
	2002 Ford Explorer Postal 4.0L rear differential VIN: 1FMZU62E42 Customer dropped off the differential at our shop. I drove the explorer before, and it had a rear axle whine noise which got louder with speed beyond 40mph. Previous experience said when there is rear axle noise, it is the pinion bearing. Previously, we have a...	View
	2003 Ford F-250 Super Duty XLT 6.0L batteries VIN: 1FTNW21P23 Hey guys, This vehicle came to our shop with the complaint of having to jump start vehicle periodically. First time truck was in the shop customer told us that he thought there was a drain on system. Upon checking vehicle out current draw timed out to roughly...	View
	2005 Ford F-250 Super Duty XL 6.0L hose blows off Truck runs great but will intermittently blow the hose off of at the turbo passenger side, Never had this issue prior to oil cooler replacement, Replaced the blue hose with one from ford with a new clamp from ford still blows off no oil on hose, Has anyone run...	View
	2006 Ford F-250 Super Duty XLT 6.0L Excessive Emissions, Misfire VIN: 1FTSW21P56 this f250 came in with a misfire and smoking grey smoke.pulled codes p0269 and p0611.i am just wondering if the ficm were bad would it cause the other code?i dont work on alot of these so any help would be appreciated.thank you Trouble codes: P0269, P0611	View
	2000 Hyundai Sonata 2.4L Poor Idle Quality, Hesitation Put universal flex pipe on. The original flex pipe that was broken 1/2 way off. Car came back 2 days later with po171. It idles rough and has hesitation on acceleration. Smoked engine for leaks (ok)--ect(ok)--checked maf with vantage at idle and 3000 rpm and w... Trouble codes: P0171	View
	2008 Hyundai Santa Fe GLS 2.7L Misfire, MIL Lamp on VIN: 5NMSG13D38 Hello fellow Techs, This Hyundia came in running poorly misfire under hard accel or under load uphill. Seems to be worse the more its driven. Customer replaced all plugs and coils - dealer replaced all cats. I felt after road test it had a timing problem - I ... Trouble codes: P0300 (random misfire), P0301 (cyl 1 misfire), P0302 (cyl 2 misfire), P0303 (cyl 3 misfire)	View
	2001 Infiniti I30 3.0L Poor Idle Quality, MIL Lamp on VIN: JNKCA31A31 Car would not idle. Read about the computer idle circuit being burned out in control module. Sent control module out for rebuild.Replaced idle control valve , air temp sensor and throttle position switch. Plugged it all in with the re-man computer. Car idles t... Trouble codes: P0505 (Idle control system problem)	View
	1999 Jeep Grand Cherokee Limited 4.0L No Start, Cuts out, Stall, Misfire VIN: 1J4G268S3X This Jeep will start and run perfectly cold. After running for about 30 minutes, you can feel it start to misfire and then it stalls. If you try to restart it immediately, it will surge between about 200-900 RPM while missing and backfiring until it stalls aga...	View
	2004 Jeep Grand Cherokee Laredo 4.0L Poor Idle Quality, MIL Lamp on VIN: 1J4GW48S64 Customer complaint CEL on retrieve p0505. Installed aftermarket IAC motor, clear CEL and drive. Vehicle ok. Customer returned today with complaint of IDLE issues and CEL on. Verify idle issues by test drive and no CEL a.t.t., but stored P0505. Installed NEW OE... Trouble codes: P0505	View
	2005 Jeep Liberty Sport 3.7L Misfire VIN: 1J4GL48K15 Hello, The jeep came in with a rocker on #6 cylinder off.Removed heads and sent to machine shop had both heads redone,we installed heads and customer drove for about 200 miles it came back With #2 cylinder missfires we swaped coils plugs and injectors and no ...	View
	2005 Jeep Grand Cherokee Laredo 3.7L engine coolant VIN: 1J4GR48K75 Hello friends.I bought few days ago this grand cherokee and i am not sure that i have problem or not.Never worked on american cars before so any help will be apreciated.I noticed next - when engine is hot upper coolant hose that goes from cilynder head to radi...	View
	1999 Mercedes-Benz ML430 4.3L compressor clutch VIN: 4JGAB72E5X Compressor clutch erratic voltage loss...	View
	2002 Mercedes-Benz S500 5.0L Poor Idle Quality, Surge, Cuts out, MIL Lamp on VIN: WDBNG75J92 MERCEDES TECHS PLEASE HELP!!! This car is driving me nuts.Keeps setting mass air flow code p2004-004 (p0104)No matter what we do. And idle Quality sucks when code is present. Clear codes runs great until 2nd key cycle then check engine light comes on and idle ... Trouble codes: P2004, P202E	View
	2006 Mercedes-Benz ML350 3.5L Forward Gears VIN: 4JGBB86EX6 This ML was towed in to us by a new customer, she just bought it several months ago at a local used car lot. She states that twice while driving the transmission has gone into a limp mode where she couldn't go over 20 mph or so, and then yesterday would not mo...	View
	1999 Mitsubishi Mirage DE 1.5L lug nuts VIN: JA3AY11A7X the vehicle i have has after market rims on it that are 8 star torx. i can not find anything to fit it and i cant find the tools online. an suggestions? the size i tried was t55 and it was slightly to big. no other sizes were even close to fitting.	View
	2004 Nissan Quest SL 3.5L no communcation with ecm VIN: 5N1BV28UX4 help!!! we have a nissan quest 3.5l auto will not communicate with any module. have tested ecm ,idpm and ck'd all fuses.when battery is connected cooling fan runs on high speed and headlights stay on.we cannot communicate with any module, all grds and pwr good...	View
	1989 Oldsmobile Delta 88 Royale Brougham 3.8L No Start VIN: 1G3HY54C3K Hello all This olds will start probably 40 times and then all of a sudden no start,I can even do this in the driveway without driving it.What I did notice is that today when it wouldn,t start I checked for spark to the plugs had it,. checked fuel pressure 20 l...	View
	2002 Oldsmobile Bravada 4.2L No crank VIN: 1GHDT13S02 I have a passlock code i have tried a relearn procedure with no luck. Could i have a bcm problem?	View
	2006 Pontiac Grand Prix 3.8L MIL Lamp on VIN: 2G2WP55206 This Grand Prix is test me. Came in with Po411. Customer complaint is stalls at times & check eng light comes on. when I do the AIR valve test the pressure sensor 14 psi & 2.68 volts Air pump off & 15 psi & 2.87 volts with pump on. Air indicated pressure never... Trouble codes: P0411 (Secondary Air Injection insufficient flow)	View
	1973 Porsche 914 2.0L Poor Idle Quality VIN: CANTF1NDV1 Ok someones got to be able to help me on thing thing. Basically this is a big waste of time but heres what I got . this porsche will not idle down with the timing where I think it should be the idle /air bleed screw is turned all the way in so I thought it mig...	View
	1994 Toyota Camry XLE 3.0L oil in intake VIN: JT2GK13EXR when this car overheated we pulled the heads off lots of oil in cylinders . pulled pistons they were caked with oil on oil rings. honed cylinders ( engine was rebuilt 100,000 miles before that. put piston rings rod bearings and valve job. right away was using ...	View
	2000 Toyota Camry CE 2.2L battery VIN: JT2BG22K6Y This is an intermittent no-crank, dead battery. She lives 30 miles away, so it went dead a couple months ago, had it towed to me, and I found nothing wrong. Charged battery and sent on her way. About a month later, dead battery in morning. Her boyfriend replac...	View
	2002 Toyota Camry LE 3.0L Surge VIN: 4T1BF30KX2 This camry has a surge at 40-45 mph. We have confirmed it to be an egr issue. We have checked the positon sensor with a labscope and cannot comfirm there being a problem with the sensor, what we did notice is the egr temp sensor is reading around 500 degrees t...	View
	2004 Toyota Sienna LE 3.3L Electronic VIN: 5TDZA23C74 hello friends, ac compressor troubles. vehicle has manual controls, not automatic controls. when you push the ac button, switch does not light up or flash. compressor circuit does not engage.engine pid data indicates ac engaged off. if you switch front defrost...	View
	2004 Volkswagen Touareg TDI 4.9L Tach and Speedo VIN: WVGHH77L44 Other gauges working fine, only the Tach and Speedo not working ? when car start the Tach jumped from 0 to 9 and stay at 9. the speedo bounce between 0 and 150 mph, during driving it will not change the odometer. with Vag-Com tester we observed the instrument ...	View
	2006 Volkswagen Passat 2.0T 2.0L unknown VIN: WVWAK73C16 I have a volkswagen here that has a vibration under acceleration and going up hills. We first started by balancing wheels. This did not seem to fix anything. I then looked at both the front axles and noticed that the drivers side was moving more then normal wh...	View
	1995 Volvo 960 2.9L Misfire VIN: YV1KS9615S I have a miss on the #2 cyl. I have swapped coils and injectors, but the miss stays at #2. The plug seems wet when I pull it but it doesn't smell like gas (clear, maybe coolant or oil, but not slimey). Compression is 180 and even with the others. I have hooked...	View

Fixes & Summaries for All Makes and Models

	Fix/Summary	Answers
	1999 Audi A8 Quattro 4.2L Misfire, MIL Lamp on VIN: NAVBG34D1X You all came through again for me. Most replies said it was the power stage modules and one said swap the modules and see if the miss changes cylinders and sure enough it did. I called her and told her that it need 2 power modules. It took her a while to come ... Trouble codes: P0304 (Cylinder 4 Misfire), P0305 (Cylinder 5 Misfire).	7
	2004 BMW 745Li 4.4L oil system VIN: WBAGN63484 Thanks to everyone who replied, all the info I got was right on, I broke it down into 2 groups of repairs w/o burning myself having to do the job twice but still giving the guy some flexibility, still he can't afford the repairs at this time so he has taken th...	10
	1996 Chevrolet S10 LS 4.3L starter VIN: 1GCCS19X5T Well the vehicle has been gone for 2 weeks now so I'm gonna call this a fix. It seems running the ground for the starter relay straight to the battery took care of it. I would have sworn this vehicle had an aftermarket alarm or start system on it but we tore ...	12
	1996 Chevrolet Lumina 3.1L pump pulley VIN: 2G1WL52M9T First, Thank You to all that replied. I installed a new pulley and reinstalled the drive belt. Started up the engine and stressed the systems as much as I could in the shop. Holding the steering wheel to the full lock position showed no problem, so far. This i...	21
	2002 Chevrolet Silverado 3500 6.6L Cuts out VIN: 1GCJK33112 Hello to all After many days of testing and replacing all the rubber hoses to and from the high pressure pump and test drives. I found it and it's fixed !! here is what we found. I knew the left engine mount was broken but was not concerened about that un...	6
	2004 Chevrolet Colorado 3.5L Air Bag Light After giving up on this one I called in the mobile air bag service, it took him about 15 minutes to figure the wires going to the seat position sensor were backwards. I could tell someone had been into the harness before me, and just copied what was ther...	11
	2006 Chevrolet Impala LT 3.5L starter VIN: 2G1WT55K06 Well, it doesn't make sense to me. But the problem was the battery. It was only two years old. It worked perfectly most the time and only occasionally exhibited the no crank condition. The car was in the no crank condition and we pulled the battery, instal...	14
	2005 Dodge Ram 3500 SLT 5.9L Delay wipers VIN: 3D7MS48C15 Hi everyone and thanks for the help the problem was solved by replacing the wiper motor itself there was 2 codes for the wiper system that I could not find a description or diagnostic information for So the customer had the dealer diagnose the problem and we r...	4
	2003 Ford F-250 Super Duty XLT 6.0L Engine oil VIN: 1FTNX21P33 I performed all work adviced to no avail. I ended up replacing all injector o-rings and changing the oil & filter. Only time will tell if this fixed it, I'll provide an update later if it did or not. I did performed TSB 03-14-6 but found no problems, I had va...	13
	2006 Ford Expedition King Ranch 5.4L Surge, Misfire VIN: 1FMFU18516 Well, as much as I'd like to say that this on is cured, the customer decided to trade it in for a new vehicle without doing a spark plug replacement [which is what most thought was the likely cause of the remaining performance problem] While it was here I did ... Trouble codes: P0300 (Random Misfire Detected).	14
	2008 Ford Escape XLT 2.3L p0452 VIN: 1FMCU03Z18 RECHECKED ALL THE LINES IN THE SYSTEM.THIS TIME FOUND WATER IN VENT VALVE FILTER. THE WATER CAME FROM THE HOLE IN THE FILLER NECK RIGHT BELOW THE GAS CAP. WE HAD SOME REAL SEVERE STORMS, AND THIS TIME WE GOT ANOTHER CODE FOR PO450-LOSS OF 5 VOLT REFERENCE TO F...	3
	2007 Honda Pilot EX 3.5L oil pump housing VIN: 5FNYF18447 Thanks all for the information and not laughing to load at me. I did. But everything happens is the way I am looking at this one. When I came in on Sunday to fix this one I found that the new water pump I installed when I didi the t belt all pulleys and the te...	3
	2002 Jeep Grand Cherokee Laredo 4.0L Overdrive Shift VIN: 1J4GW48S82 The majority of replies suggested the temp. sensor was the culprit, and it was. In 2000 Chrysler changed the trans. fluid sensor to a different design; however, the main harness connector on the outside of the trans. is identical to the older version.(pre 200...	13
	2004 Land Rover Range Rover HSE 4.4L Bcm? VIN: SALMH11494 As it turns out a new BCM fixed this truck. When the truck is first started the steering wheel was easy to turn (normal) for about one second (I presume this was the self test) and then got stiff and stayed that way. The servotronic actuator and wiring test g...	5
	2000 Lexus RX300 3.0L engine VIN: JT6HF10U8Y THANX TO ALL WHO HELPED, ALTHOUGH ONLY A FEW HAD THE RIGHT FIX. IT TURNED OUT TO BE THE REAR CAMSHAFT GEAR'S KEY WAY SPUN ON THE CAM. THE TIMING MARK [...] LINED UP OK, BUT THE CAMSHAFT WAS OFF AT LEAST 4 TEETH. VERY TRICKY TO FIND THIS WITH OUT DOING A MINOR TEAR ...	19
	2001 Mazda Tribute ES 3.0L bank2 VIN: 4F2CU08151 replaced injectors on 4 and 6 fixed miss firing. When checked they were spraying fuel. but im assuming they weren't spraying enough. replace and every thing seems fine now. thanks for all the help and suggestions.	15
	1995 Mercedes-Benz E320 3.2L no kick down VIN: WDBEA66E8S Sorry it took so long to close out ,had to wait for the customer to bring the car back. Even tho the car was a 95 the wiring was not the same, we found the wiring from a 94 was the same. There was no power coming from pin 6 of the mas. Changed the mas now has ...	5
	2002 Nissan Altima 2.5L Excessive Emissions, Hesitation, Surge, Stall VIN: 1N4AL11DX2 Thanks for the replies. Some of you got it right on. After looking at the scan data some more, i noticed at 1200 rpms or so the maf readings would at times go up to 100 gs. I knew this was not right & put a scope on the maf signal wire & the signal had high v... Trouble codes: P0420, P0442.	15
	2003 Nissan Murano SE 3.5L Poor Idle Quality, MIL Lamp on, Idle too high VIN: JN8AZ08W23 Thank you all who replied. I got word yesterday from our client that the throttle body had to be replaced. It was bad "had a short" inside the mechanism. I suspected that there was a problem with it, and had already recommended it as a first step if the dealer... Trouble codes: P0507 (Idle Air Control System. RPM Higher than expected).	7
	2000 Pontiac Montana 3.4L Misfire, all cylinders VIN: 1GMDX03E2Y just would like to thank every one that replie.. i had already try them egr valve it actualy plugged with a bloking plate to try to eliminate pasegges plugged. back pressure also ok. i did try driving van with pressing the brakes sligtly that was a good one tn... Trouble codes: P0300.	10
	2003 Pontiac Bonneville SE 3.8L Cuts out, Stall VIN: 1G2HX52K43 I had alot of great replies suggesting what the fault might be. After going through all the replies I followed Charles and Richards advice. I knew I had a bad Pcm but I had to find out what damaged it. I tested all of the solenoids and they ohmed out within sp... Trouble codes: P0650 (mil light control circuit voltage too high or too low), P1670 (ODM 4 Excessive current is detected).	13
	2000 Saab 9-5 Aero 2.3L Oil Pan VIN: YS3EH45G9Y Well, the mystery is solved, thanks to Pete [...] and Nash from CA. Thanks also to somebody who sent a phone # (301 area code) whose message I lost. The deal is that there are two hidden bolts at the flywheel end of this Aero oil pan - and I mean...	10
	1986 Toyota 4Runner DLX 2.4L Misfire VIN: JT4RN62D2G Okay so I'm not thrilled to admit how we ended this but here goes. Got a lot of good feed back but all stuff that we had gone over. The EGR on this vehicle works with no back pressure, completely disconnect the back pressure tube from the exhaust as well as di...	5
	2000 Toyota Camry CE 2.2L MIL Lamp on VIN: JT2BG22KXY after testing everything multipul times with vacuum, pressure and smoke with no leak found. decided to give it one more go around and wa la a leak. canister control vent valve on the air cleaner was not holding vacuum would slowly leak down (slow leak). replac... Trouble codes: P0442.	22
	2001 Toyota Tacoma DLX 2.4L Excessive Emissions, Poor Idle Quality, Hesitation, Surge, Cuts out, Misfire, MIL Lamp on VIN: 5TENL42N31 First, I'd like to thank all that helped. As most said, it was the air/fuel ratio sensor and the rear O2 sensor. Replaced both (with Denso units) and truck runs good. We reinstalled original MAF sensor and it ran good so there was no problem with it. I guess I... Trouble codes: P0141 (O2 Sensor Heater Circuit Fault B1S2), P1130 (A/F Sensor Circuit Range/Performance B1S1).	8
	1988 Volkswagen Cabriolet 1.8L Transaxle fluid VIN: WVWCA0151J The "new" cable that was installed was faulty, vent was not plugged. Great pic sent by one member! installed another new cable and the problem is gone, had to be the cable but wanted to know if anyone else had seen this before. Thanks to those who responded. ...	8
	2006 Volkswagen Beetle 2.5 2.5L No run monitor evap VIN: 3VWRF31Y26 I really appreciate you taking the time to help me on this car. problem was solvent by fixing the [...] wire burn-up. after this all the monitors runs ok thanks all of you.	11
	2009 Volkswagen Jetta TDI 2.0L Overheats VIN: 3VWAL71K19 Thanks to all those who replied. I replaced the thermostat again, with another from the dealer, and the car was fixed.	8
	2005 Volvo XC90 V8 4.4L engine VIN: YV1CZ85205 Thank all of you for the help. The problem is the rear bearing for the balance shaft Have not repaired yet but will have to. If the are any special things to do or any time savers I would love to hear what they are. thanks again Jeff	10

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