Automotive Technicians Technical Discussion and Fixes for Jan 4, 2013

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	Help Request	Answers
	2003 Audi A4 Cabriolet 3.0L Axles VIN: WAUAT48H73 Happy New Year everyone! I don't usually accept many German mutts in here (relax, I'm German myself) but everyonce in a while one sneaks in. My customers complaint is that starting around 50 MPH and untill about 60 MPH the car shudders under acceleration only....	View
	1998 BMW 528i 2.8L No Start VIN: WBADD6322W A little OEM help here. This 528i is kicking my but. I have a car that will will start hard in the morning, run and start fine all day then will act up (usually) the next morning. I originally thought it was the fuel pump not priming up properly but to avoid o... Trouble codes: 61 (Rear oxygen sensor), 79 (Rear oxygen sensor)	View
	2000 BMW 740i 4.4L Dme VIN: WBAGG8341Y HI car came whit tow track No crank & no communication whit scanner OBD2 & diagnos socket & check engine ligth is not on when open the key & coolant gauge is on red level I check every think but nothing eny help thank U	View
	2006 Buick Lucerne CXL 3.8L all seat heaters VIN: 1G4HD57246 have checked the fuses and the swich is controling a ground but i do not have a diagram for the seats. Sorry for not doing more tests. any help would be nice. The car has four heaters and all of them went out at the same time. The switches seem to be operating...	View
	2004 Cadillac Escalade ESV 6.0L right rear window VIN: 3GYFK66N34 Ok this is a weird one...all windows operate normally with key on engine off/run position window lock on or off... Now when the engine is running and the windows are down and you press the window lockout switch on the drivers door the passenger rear window wil...	View
	2001 Chevrolet S10 4.3L Mechanical VIN: 1GCCT19W51 I have a 2001 s10 according to my local junkyards I can't install a 2002 motor they have no 2001 and back engines available but they have multiple 2002 motors for a fair price. Does anyone know the differences. I plan to swap intake oil pan and all externals....	View
	2003 Chevrolet Silverado 3500 6.6L Starting VIN: 1GBJK34183 Hoping to get some help here prior to my hell. Truck came in for cold start issue and we put a glow plug controller in truck few days of cold was great. Came back in with p380,[...] and U1152, 1041, 1024. Im about to start with this thing but I have a f...	View
	2006 Chevrolet Impala SS 5.3L Stall VIN: 2G1WD58C16 Not sure if I'm posting this in the right place but here goes anyway. Customer called and requested a new ecm installed. Had been checked at a gm dealership but no repairs were done at that time. Vehical then taken to another independent shop but they could no... Trouble codes: P0601	View
	2007 Chevrolet Express 1500 4.3L No Start VIN: 1GCFG15X77 This van is driving me crazy. The customer "said" intially the battery was dead, so he jumped it. He kept cranking and it wouldnt start. So when I got the van, First, I checked and replaced the battery. It wouldnt start, cranking well with new battery. Second,...	View
	2009 Chevrolet Tahoe LT 5.3L Hesitation, MIL Lamp on VIN: 1GNFK23019 Hi everybody and thank you in advance for your ideas,this vehicle came in with loosing power on the road and engine light on,we pulled up alot of codes from the engine/transmission PCM more than enough to list them all and all the codes have word at the end th...	View
	1999 Chrysler Sebring LXi 2.5L no data from aldl No data from ALDL connector at all times Has power and ground. Checked yellow wire and pink wire from ALDL to PCM and found no problems. Tried sevsral different scanners with no luck. Can not read data, can not read codes and can not clear codes. CEL is off. P...	View
	2003 Dodge Ram 1500 Laramie 5.7L Engine Idle trouble VIN: 1D7HA18D73 Customer had vehicle towed to us, truck starts but it doesnt idle unless foot on gas pedal over 900 RPM. No previous service history, all original ignition parts.	View
	2007 Dodge Sprinter 3500 3.0L Reman. P/S Pump VIN: WD0PF44547 This one is a bit of a mystery. This is a fleet vehicle, it gets rode hard and put up wet. The customer has been driving this thing with the power steering inoperative for quite a while. We replaced the pump with a remanufactured unit because there was no circ...	View
	2005 Ford Ranger XL 3.0L MIL Lamp on VIN: 1FTZR44U45 Hello All, and Happy New Year! We have this little ranger that came in for a check engine light on. Only one code, P0303 Cylinder 3 misfire. Seemed simple enough, needs a tune up! Pulled #3 plug and found it to be worn. Plugs were original Motorcraft plugs. In... Trouble codes: P0303 (cylinder 3 misfire)	View
	2003 GMC C5500 Topkick C5C042 6.6L speed governed at 35 VIN: 1GDE5E1173 This truck has not been running properly in over a year. The original problem was failed injector seals causing a running issue. It was parked for about a year before repair. After replacing injector seals it ran poorly but would get up to highway speed withou...	View
	2007 GMC Acadia SLE 3.6L ride VIN: 1GKER13747 Need some help from some gmc techs. The information i posted is for a 2007 acadia. I also have a 2009 acadia with the same problem but not quite as bad. Both have the 3.6 & 6 speed auto. The 09 is all wheel drive. Both of these acadias will have a shake in wh...	View
	2006 Hyundai Sonata LX 3.3L blower motor Hi, I have no blower operation at any speed with this manual hvac syatem. I have tested the resistor as per alldata and bench tested the blower motor, both checked out okay. I have power and ground at the blower when the motor is disconnected, when connected I...	View
	2005 Jeep Grand Cherokee Limited 5.7L Heater core VIN: 1J8HR58275 Thanks in advance. Customer came in with heater core leaking at orings where tubes go into core filling the carpet with antifreeze. We replaced the core with new orings (aftermarket) and it was fine for a few weeks. Came in pouring antifreeze out of tubes at o...	View
	2009 Lexus RX350 3.5L battery VIN: 2T2HK31U29 We installed a remote starter in this over a month ago. That day the battery died. We jumped it and everything has been fine util two nights ago. Battery was dead again. Jumped it again and was dead again the next morning. Tested battery and it was weak. 250 c...	View
	1992 Nissan 240SX 2.4L Excessive Emissions, Poor Fuel Economy VIN: JN1MS36P5N 1 year ago we installed a sr 20 engine i did ran great for a year this week it came very rich blackish smoke no codes disconnect maf runs good install new maf same problem .maf disconnected injection pulse 2.8 ms maf connected jump to 12 ms.any idea would be w...	View
	1977 Oldsmobile Cutlass Supreme 6.6L Mechanical VIN: 3J29R7R171 I need all of the torque specs for the engine. It is a 6.6 liter.	View
	1997 Plymouth Grand Voyager SE 3.3L No Start VIN: 1P4GP44R7V Car had an intermitten problem of slow to start, might have to crank more than once, also sometimes would continue to run (poorly) after key was turned OFF, seemed to run OK while driving, Now when you turn the key to start it cranks and starts for a very shor...	View
	2003 Porsche Boxster Roadster 2.7L transmission sleeve VIN: WP0CA29823 I 'm not familiar with Porsche. We have an 03 Porsche Boxster that leaks transmission fluid right around the electrical connector sleeve. Can we just replace the sleeve? Just like BMW? I have talk to Porsche and they have no clue. Looked up on alldata and noth...	View
	2006 Saturn Vue 2.2L clutch master Hello,today i did a clutch on this suv and when replacing clutch master i noticed a check valve/actuator by the master unit,Can any one tell me what this does and is there an easy way to bleed this unit.I followed the GM way and did not work well useing there ...	View
	1986 Subaru GL Turbo 1.8L blower motor relay VIN: JF2AF53B7G Hi, I have this little Subaru that came in with a blower motor not operating. after testing the blower motor and the blower motor resistor and finding them to be ok, I turned to the blower motor relay but cannot find the blessed thing. I know it has one, I can...	View
	1994 Toyota Camry LE 2.2L starting VIN: 4T1SK12E7R Vehicle came for intermitten no start. Sometime the vehicle will start right up; and at times it will not even crank. Right now when i turn the ignition switch, the light on the dash lights up but hear nothing turning. When i connect another wire power from ba...	View
	1995 Toyota Corolla DX 1.8L MIL Lamp on VIN: 2T1AE09B2S Installed a new distributor about a week before codes set. Smoked the intake for vacuum leak. None found. Can't find a good place to tap into fuel lines as lines are very rotted, but under hard accel. no heisitation.. Also if high idle is matain in the shop o2... Trouble codes: 25 (rich), 52 (knock)	View
	1997 Toyota Camry CE 2.2L Dtc: p1780 VIN: 4T1BG22K2V Hello Guys, I have this Toyota Camry CE, 2.2 L Engine. The MIL light came, but the have no noticeable performance problem, but I am getting a manufacturer code P1780. If anyone knows which system or sensor that's connected to this code, please email at passat...	View
	2003 Toyota Tacoma Pre Runner 3.4L Excessive Emissions, Poor Fuel Economy, MIL Lamp on This customers truck will illuminate the MIL and mileage will go from around 18 MPGs to about 10 MPG. Puffs of black smoke can be seen coming out of the tailpipe sometimes while this is happening. This is only when he travels north to higher elevations. Any ot... Trouble codes: P0171	View
	2005 Toyota 4Runner Limited 4.7L engine VIN: JTEBT17R95 We had this vehicle towed in one year ago for a loud tapping noise in the engine. When we started the truck, there was what I would call lifter / rocker noise. LOUD!. We let it run for 3-5 minutes and it went away. At that time we noticed that it had an afterm...	View
	2007 Toyota 4Runner SR5 4.0L No Start VIN: JTEBU14RX7 Vehicle in question came in on hook. Customer claimed no start could hear clicking of starter solenoid but no start. Visual inspection of starter circuit showed nothing wrong. Got in and cranked key over and vehicle fired right up. pulled codes and got a p034...	View
	2008 Toyota Tundra SR5 5.7L Long crank time VIN: 5TFBV54148 Engine has long crank time, mostly when cold. Fuel pressure 45 psi, after 10 minutes has 25 psi. Don't think pressure bleed down is issue as when I hooked up pressure gauge, it immediately built pressure and started with no hesitation. So I am suspecting somet...	View
	2001 Volkswagen Beetle GL 1.8L Hesitation, Cuts out, Stall, MIL Lamp on VIN: 3VWDD21C41 I am having issues with trying to get any scanner whatsoever to link with the ecu. I have tried everything from a pocket scanner to an OTC and Snap on scan tools trying to communicate with this unit. All with no luck. According to AllData, there is supposed to...	View
	2003 Volkswagen Jetta TDI 1.9L No Start VIN: 3VWRP69MX3 Hello VX tech's, This one does not start cold, has a check engine light for The ECT sensor, glow plugs do not come on. We can run a functional test for the glow plugs and they fire off, we did replace the glow plug module and they started working. But now the... Trouble codes: 16502 (Ect out of range)	View
	2003 Volkswagen Jetta TDI 1.9L Horn VIN: 3VWSP69M23 Strange electrical anomalies cropped up on this car. When the engine is starting (key in the start position) the horn will make a single 1 second blast, and engine starts fine. Also the warning lamps on the dash will all come on for about 2 seconds when the e...	View
	2006 Volkswagen Jetta TDI 1.9L No Start VIN: 3VWDT71K76 I am hoping someone can help me out a little here. I have a car that intermittently cranks but will not start. What I would like to know is what kind of signal should I look for on the injectors? There is a common brown wire to all injectors with a different c...	View
	2008 Volkswagen Jetta SEL 2.5L Current Draw VIN: 3VWRM71K18 Ten hours into this and I am somewhat at a loss. The problem is when the car is locked/armed with remote, the power supply relay/terminal 30 clicks rapidly on and off until it drains the battery. Originally, I never found any abnormal draw because the test con...	View
	2004 Volvo S80 2.5T AWD 2.5L L/F Window VIN: YV1TH59H24 Window motor wqas defective so replaced trans with motor assy---window goes up and down but does not stop at the top and then reverses	View

Fixes & Summaries for All Makes and Models

	Fix/Summary	Answers
	2003 Cadillac Escalade 6.0L Windows, Gauges, Locks, Cluster VIN: 3GYEK63NX3 Well Doug from Michigan nailed it. Started tapping around on passenger side dash and gauges started working. Tapped again and they went off. Removed radio and heard a rattle when shaking it. Opened up and removed dime which had 6 little burn spots on it. ...	6
	2005 Cadillac Escalade 6.0L Engine VIN: 3GYEK62N05 Torque converter imbalanced due to metal shavings inside causing vibration under load at idle. also, 3rd gear clutches worn causing internal transmission heat and burned atf fluid. Thank you everyone.	29
	2002 Chevrolet Silverado 1500 4.8L monitors VIN: 2GCEC19V22 THANK YOU ALL,NO CODES PENDING,SET MONITOR THANKS TO JRODS ADVICE,PASSED SMOG!!! IM NOT SURE WHAT I WAS DOING WRONG FOLLOEWED GM DRIVE CYCLES.I LET IT IDLE,(FROM OVER NIGHT COLD SOAK)&IT SET BYE IT SELF.	6
	2007 Chevrolet Aveo LS 1.6L Misfire, MIL Lamp on VIN: KL1TD56647 Thank you for all the responses. The customer is driving the vehicle for now. The valve train seems to be the issue with the misfire due to the fact when the misfires happen, the engine runs fine. The engine is used and was replaced about a year ago. The TSB f... Trouble codes: P0300 (Random Misfire), P0301, P0304.	12
	2003 Chrysler Voyager LX 2.4L No Start VIN: 1C4GJ25B83 Donald from Michigan hit it right on the nose. The cat was plugged. It was just weird since we have had several cars with plugged cats before but it never cut off fuel before. Thanks to all that replied.	8
	2005 Chrysler PT Cruiser Touring 2.4L p0128 VIN: 3C8FY58885 next time it came in we left the car outside overnight. Started the car and graphed the ECT and IAT through a warmup period. They started unequal, IAT again at 0 with ECT at atmospheric temperature. The ECT went up to 95C then stayed steady and the IAT rema...	30
	1996 Dodge Ram 2500 5.9L overdrive VIN: 3B7KF23C8T Thanks to everyone who took the time to offer help on this one. I took the long way on this truck. Most everyone thought as I did that the fault codes needed to be fixed first. Since Federal emission cummins diesels do not come with a temperature sensor for th...	15
	2000 Ford Focus ZX3 2.0L high idle VIN: 3FAFP3131Y Well the problem is not fixed, customer decided to take car back to used car dealer he bought car from 1 month ago. Problem is probably the computer. Lots of replies about vacuum leaks, tps spiking, etc. The problem is the learned tps value, not a vaccum leak.... Trouble codes: P1120.	12
	2004 Ford EXPEDITION 5.4L Ivd Calibration VIN: 1FMFU18L74 Unfortunately the vehicle has left unrepaired. The cost of diag/repair was deemed more than worth while on a 300k vehicle. I did recieve replies to verify ids software level and reflash abs module. Both of which were completed with out additoinal changes.	3
	2004 Ford F-150 FX4 5.4L MIL Lamp on VIN: 1FTPX14534 THANKS EVERYONE FOR ALOT OF HELPFULL INFORMATION. UNFORTUNATLEY THE CUSTOMER DECLINED ANY FURTHER TIME FOR DIAGNOSTICS. SO I WAS UNABLE TO FIGURE OUT THE PROBLEM. THANKS AGAIN! Trouble codes: P0171 (System lean bank 1).	16
	2004 Ford F-150 Lariat 5.4L Cam phaser VIN: 1FPTW14514 Thanks for all the great replies, as a lot of you recommended I checked the oil pressure and hot it was at 25 PSI. Now I know that this is below spec of 30 PSI but since it was fine before I replaced the phaser's, I just don't see how that could be the problem...	29
	2004 Ford F-150 FX4 5.4L Running Rich VIN: 1FTPX14524 hello again guys, thanks for the comments and suggestion, all fuel pressures, vacuum leaks, o2 tests are results are the same other guys was looking. we brought the vehicle to ford dealer and it been 3 days and they called us just tonite that they cannot fix t...	27
	1999 Honda CR-V LX 2.0L MIL Lamp on VIN: JHLRD1849X Ok so we sent the car to the honda dealer, they came back the first day and said there was a gas leak, that was causing the code. We looked the car over and found no leaks, took the car back to dealer next day, ripped them a good one, and waited. They then tol... Trouble codes: P1457, P0420.	11
	2002 Jeep Liberty Sport 3.7L Excessive Emissions, Poor Idle Quality, Hesitation, Cuts out, Stall VIN: 1J4GK48K82 thanks every body for all the info.took p.side valve cover found lose r.arm check comp. was zero .head job. bend valve &broken spring .just finsh run like new. thanks every body	27
	2002 Mercedes-Benz E320 3.2L hood release VIN: WDBJF65J32 THANX FOR ALL THE REPLIES, AS USUAL MOST WERE DEAD ON. AFTER LOOKING AT ANOTHER SIMILAR CAR I WAS ABLE TO SEE WHERE TO PUSH THE LOCK LEVER FROM UNDERNEATH, AND I IDID IT WITH NO SHEET METAL DAMAGE,YEA!!! THANX AGAIN, IATN ROCKS!!!	5
	1996 Oldsmobile LSS 3.8L Elc/Misc VIN: 1G3HY5212T Thanks to all who provided their input. I should have seen that i used decimals before my readings. Just to clarify the draw was .68 amps with the radio plugged in. Radio unplugged .07 amps. I unplugged the power antenna and the draw was the same. I swapped ...	7
	1996 Saturn SC2 1.9L Hesitation VIN: 1G8ZG1273T Thanks to all that replied the car has dropped a valve so the fix never hapend. I went on vacation came back and started the car and it broke a valve spring cars to old to fix for the customer so they scraped it once again i just want to say thanks to all that...	12
	2009 Subaru Legacy 2.5i Limited 2.5L Air Bag,Blower,Radio,Cluster Goes Dead VIN: 4S3BL62629 customer declined any repairs at this time. COULD NOT GET CAR TO MALFUNCTION THE FAULT IS SO INTERMITTENT THAT WE SUGGEST A NEW CLOCK SPRING AND SEE WHAT HAPPENS.	5
	2002 Toyota Celica GTS 1.8L Poor Idle Quality VIN: JTDDY32T82 Fixed this vehicle and should have known better with aftermarket products. Customer put an aftermarket cold air intake that sent air filter into lower front bumper area. During inspection found fine sand on throttle plate, removed iac valve and found same. The...	7
	2003 Volvo S60 2.4T 2.4L Instrument Panel VIN: YV1RS61T63 I am planning on sending the IP out for repair this month. I have not seen these problems on this panel yet, just the panel going dead except for the SRS warning. I prefer dealing with Module Master if they're willing to do the work. All replies pointed to ...	11

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