Automotive Technicians Technical Discussion and Fixes for Nov 12, 2010

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	Help Request	Answers
	2001 Audi A6 Quattro 2.7L Oil Temp Gauge VIN: WAUED64B81 Hey there! 2001 a6, 2.7t 6 speed quattro. This car is being silly now... customer had original concern of engine reaching operating temp, center display would beep and flash "oil sensor", and oil temp gauge would go from around 240 degrees to 150 degrees (bott...	View
	2001 BMW 740iL 4.4L Dme,Ike,Asc,Egs VIN: WBAGH83421 This car has been here three times now and has not left yet! This car has an intermittent CANbus fault - intermittent no communication, the tech support guy from Autologic suggested fixing the persistent code 140: map cooling active code (the thermostat) becau...	View
	2000 Cadillac Catera 3.0L headlights VIN: W06VR54R1Y shorting out headlight switch .ck'd all circuits individually can not find any problems ,activated all circuit from connector ,but shorted new switch as soon as plugged it in ,now headlights & running lights are flashing .chasing my tail on this one ,could fre...	View
	1999 Chevrolet Tahoe LT 5.7L timing cover VIN: 1GNEC13R6X Holle group I am having oil leak issues on this 5.7 timing cover done one year ago 20k miles . Now leaking from crank seal two bolts almost on the top of the cover. It was a dealer cover with new bolts was torqued. Was thinking crank wear with the miles, but t...	View
	1999 Chevrolet Blazer LT 4.3L Blinkers VIN: 1GNDT13WXX Hi, I have a 1999 chev blazer in my shop. when the trailer is hooked up and thre turn signals are turned on all the lights on both sides blink. I did check for pos. voltage at the six round plug in on the blazer side. None on left or right terminal.Looks lik...	View
	2000 Chevrolet C3500 6.5L No Start VIN: 1GCHC33F1Y hello iatn i have an issue with a Chevy 3500 diesel truck. When you try to start the truck it does nothing it wont even try to start ,but if you use the wd-40 trick it will run. Ive looked at the modis and it is showing that the injector pulse is 279.0ms, the ...	View
	2003 Chevrolet Express 3500 6.0L Water Pump VIN: 1GCHG35UX3 Hi everybody and thanks in advance for all your help. We have this 2003 Chevy G3500 in the shop giving us problems. This vehicle is equipped with a house cleaning system and has an accessory belt driven PTO to operate the vacuum. The vacuum system uses two v-b...	View
	2004 Chevrolet Silverado 2500 HD 6.6L Shift points, and no shifts VIN: 1GCHK23194 All was well with this truck untill owner rear ended another vehicle. It took out the transmission cooler and leaked out "quite a bit" fluid before he could get off the road. He drove it up on a car trailer and hauled it to body shop. All repairs were made at ...	View
	2005 Chevrolet Silverado 3500 LS 8.1L No Start VIN: 1GCHK23285 This truck has no codes in it, and runs perfect when it does start. It will finally start when it cools off some. I need to know what crictal data to look for in order for this diesel to start. Any help will be deeply appreciated. Thanks in advance for any rep...	View
	1996 Chrysler Town & Country 3.3L No Start VIN: 1C4GP55ROT Greetings to all this van was towed to us for a no start verified it has no spark.no codes ,crank signal good vrifyed with scope.have battery power going to ignition coil with connector of coil i get a flashing light on my test light on red and yellow wire and...	View
	1999 Chrysler Concorde LX 3.2L Computer Engine System VIN: 2C3HD46J8X Vehicle is not starting, and there is no communication between scanner and engine. I am using a Snap-on MODIS Scanner, when connected it to this vehicle, it will communicate with everything except Engine. Under Body Control Module information, through scanner,...	View
	2006 Chrysler PT Cruiser 2.4L front wipers VIN: 3A4FY48B06 This vehicle came in with no front wiper operation. Found wahsers and rear wipers work fine. No power out to front wiper motor coming from TIP module. Numerous codes in computr B2305, B0234, B2304, B2346 B2215. ALlhave to do wit open cicuits in all speeds of w...	View
	2008 Chrysler Pacifica Touring 4.0L first gear VIN: 2A8GF48X78 62TE Car came in with a gear one ratio. I checked the fluid level and condition, and found it to be one quart low and kind of burnt looking... added a quart of atf +4 cleared the codes and test drove the car. Durring the test drive when I put the car into dri...	View
	1999 Dodge Ram 2500 8.0L Engine VIN: 1B7KC23W9X Truck towed in customer thought bad head gasket. Blowing white smoke. Started truck sounds like a diesel. Checked oil pressure reads 0. Oil change done 1 week previous. Removed sender to verify pressure reads 0. Suspected defective oil filter. Primed pump thro...	View
	1999 Ford F-150 4.2L 1st gear engagement VIN: 1FTZX1723X hi all, im having an issue with a 99 ford f-150 with a transmission concern. It does not want to go into 1st gear from a stop until you rev up the motor to about 3.5k to 4k rpm's. Then the gear engages very harshly and abruptly... if you can give me a hand, i ...	View
	1999 Ford F-550 Super Duty XL 7.3L exhaust smoke VIN: 1FDAF56F1X ok i hate this thing!!!it starts up and runs fine.. at idle their is a slight smoke if any at times.and some times it has a steady stream.i guess it depends on what kind of mood it in when i start it..any way it really starts to smoke when you drive it it look... Trouble codes: 1293 (injector drive model)	View
	1999 Ford Taurus SE 3.0L Hesitation, Surge, Misfire, Poor Fuel Economy, MIL Lamp on VIN: 1FAFP53S2X motor was replaced due to lack of oil & timing chain destruction. it was missing after instulation so replased plugs & wires disconnected battery. ran ok for 2 days & was back for miss & surge on exccel. missing on cylinders 1 2 & 3. rich on bank 1 lean on ban... Trouble codes: P1132, P1157	View
	1999 Ford Escort LX 2.0L Poor Idle Quality, Hesitation, Cuts out, Stall, MIL Lamp on VIN: 1FAFP10P4X Have a 1999 Escort with the SOHC 2.0 engine. The car has a P0135 code and no change in o2 volts. Car runs rough to the point of stalling at idle. It improves alot if you unplug the MAF sensor. After warming up you can plug the MAF back in and it will idle. I w... Trouble codes: P0135	View
	2001 Ford Mustang GT 4.6L Poor Idle Quality, lean VIN: 1FAFP45X21 Hello all ford guys, I have a 01 mustang gt with a 4.6. Car came in for a rough idle and low power problem after the customer installed own rario and had to jumstart car. I check and no data line run to radio. Car is running lean at idle and will intermitent l... Trouble codes: P0136, P0156, P1131, P1151	View
	2002 Ford F-250 Super Duty XLT 6.8L Courtesy Lights VIN: 1FTNX21S52 I'm stuck this thing has the door ajar light and the courtesy lights are on when the doors are closed and off when the doors are open. The dimmer switch on the dash works normaly. If the switches were normaly open instead of normaly closed (the revese of what ...	View
	2003 Ford Explorer XLS 4.0L blendor door actuator VIN: IFMZU72K13 Well guys, this is my wifes vehicle and as we all know, our own vehicle are usually the last to get fixed. Seeing as the temps are dipping below freezing, my wife would like some heat in her vehicle. This started last spring when my wire informed me that the ...	View
	2003 Ford F-150 XLT 4.6L MIL Lamp on VIN: 1FTRW08653 hi all i have an 03 f150 4.6 that came to me with a check engine light.it had a thermostat code and a rich code. i replaced the thermostat and fixed that code but it still runs rich on 1 bank and lean on the other. the long fuel trims are negative 23 on one si...	View
	2004 Ford F-150 Lariat 5.4L Poor Idle Quality, Surge, Cuts out, Stall, Misfire, Poor Fuel Economy, MIL Lamp on had lean codes after much hair pulling i found vacuum leak to be problem Trouble codes: P0171, P0174, P2195, P2197	View
	2004 Ford Explorer XLT Sport 4.0L No Start VIN: 1FMZU73E24 Wow hope someone can lead me in the right direction here customer had vehicle towed in said he replaced fuel filter and pump hoping to fix his problem truck had no fuel pressure and no spark checked crank sensor and found it didn't have any ref voltage scanned...	View
	2005 Ford Crown Victoria Police Interceptor 4.6L No Start VIN: 2FAFP71W75 while in shop PCM power relay was Accidently shorted. Now we have a No Start condition all fuses are good in Battery Junction box, and Central Junction box. Is there any where else to look for fuses or relays that control ignition or coils? Diagnosis shows no ...	View
	2005 Ford F-250 Super Duty XLT 6.0L No Start VIN: 1FTSW21P25 Hey power stroke techs have a 2005 f-250 with a 6.0 power stroke that will not start it acts like it tries with a lot of fuel knock. I have done injector buzz tests a bunch of times with a different result each time but mostly with all injectors have low and h...	View
	2007 Honda Accord EX 3.0L horn VIN: 1HGCM66547 The horn would intermittently stop blowing when the steering wheel was in random positions. We checked it initially and found that you could hold the horn button down with the horn blowing and turn the steering wheel and it would stop blowing in certain spots....	View
	1999 Jaguar XJ8 4.0L mil on intermittently. VIN: SAJHX1040X The car came in with the complaint that the ABS light and the stability control light were intermittently coming on. I ran the car on the floor or about 1/2 hr. during which time the lights did come on. I scanned the ABS control unit and pulled the codes liste...	View
	2003 Mercedes-Benz SL500 5.0L Abc VIN: WDBSK75F03 CODES C1353 ABC suction restricer valve Y8611 component error C1526 pressure supply low C14b7 steering angle initialize Put new pump on, used merc fluid, made sure to follow the instuction's (turn steering wheel back & forth several times), all air out the pow...	View
	2003 Mercedes-Benz C230 Kompressor 1.8L MIL Lamp on VIN: WDBRN40J53 Hi guys I need some mercedes help Im in over my head. I have a c230 with P0258 lambda control. I found the short term fuel trim to be 6% and th long term to be 11.7%. The fuel system says it is running in closed loop with an o2 sensor fault. My problem is I ca... Trouble codes: P2058	View
	2004 Mercedes-Benz C230 Kompressor 1.8L MIL Lamp on VIN: WDBRN40J94 this is the third time the car is coming back to us with the same code p0456 small evap leak, no leak found when we smoke tested, within three visits we replace 2 gas caps, 2 purge valves, new fuel pressure sensor w/sending unit & new chrcaol filter,new thermo...	View
	2006 Mini Cooper 1.6L No Start VIN: WMWRC33576 Wolud like to get any other information on this car. as to why I can't get into the dme. Thanks.	View
	2001 Pontiac Bonneville SE 3.8L monitors VIN: 1G2HZ54181 Hello and help This pontiac will not run two monitors , o2 and evap. Both o2 have been changed, by customer ,recheck for correct o2s (denso)ok. check power and grounds both good. check resistance 7.5 ohms and 7.6 ohms. check amp draw both same at approx...	View
	2002 Pontiac Grand Prix GT 3.8L trans shifti VIN: 1G2WP52K32 Hi guys I'm not much with transmission repair, I have this 2002 Grand Prix and it most of the time will not shift out of first gear until very late. Speeds up to 45mph and rpms over 3000. The ECM does not command a shift, once the command shows on the scan too...	View
	2004 Pontiac Vibe 1.8L Lubrication VIN: 5Y2SL62864 Customer came in after body shop did work to repair rear end collision. Oil pan had a dent in it and oil light was coming on when running. Advised customer to replace oil pan because the dent was right next to the pickup tube. While doing the oil pan job, noti...	View
	1997 Saab 900 S 2.3L Shifter VIN: YS3DD38B2V Hello, I have here a Saab-story. The car came in with a SES and the transmission in limp mode. I pulled a code P0705 for the trans range switch. I checked iATN and found others with the same code and they either replaced the range sensor or the ignition switch...	View
	2005 Saab 9-5 Arc 2.3L On Star VIN: YS3FB49SX5 Hello, Local dealer just bought this car at auction and brought it to us with the Onstar Warning in the DIC. With the TECH 2 I checked all modules for codes and we have a conflict of VIN's stored. The DDM is showing a different VIN from the car. Also, when I ...	View
	2001 Saturn L300 3.0L No Start, Lack of power VIN: 1G8JW54RX1 I have an 2001 Saturn L300 that has an extended crank. Sometimes it will start after about 1 minute of cranking, sometimes it takes 15-20 minutes. Every time it starts there is a strong fuel smell. Occasionally there is a small pop through the air box. The ect...	View
	2003 Subaru Forester X 2.5L Surge, Misfire VIN: JF15G6373H customer conplaint is runing rough and at steady to light throttle car surges rpm go 4oo up and down.surge is intermintent. after warm up. the miss was cleared up after tune up and replace coil on test drive surge was still there. after checking identifix an... Trouble codes: P0304	View
	1994 Toyota Camry LE 2.2L No Start, Cuts out VIN: JT2SK12E6R Hi all, i really need other help out there for this Toyota Camry. First i though this is a simple problem and fix but turn out it's not. Customer tow car in crank but no start, good spark, does has fuel pressure 42 psi ( 38-42 spec). During cranking for test c...	View
	1998 Toyota Camry LE 3.0L not ready VIN: JT2BF22K3W In desperate need for help from the Toyota experts on this one. Vehicle came in a few months ago with a P0420. after examination, I determined that the cats had deteriorated and replaced them. The manifold cat is OEM, the flex pipe cat is an aftermarket which ...	View
	2004 Toyota Camry LE 2.4L power door locks VIN: JTDBE32K04 Power lock only unlocks driver door with the key, the fob or the power lock button. All doors will lock with the key, the fob or the power lock button. Only the Passenger front door and both rear doors do not unlock with the key, the fob or the power lock b...	View
	2004 Toyota Tundra SR5 4.7L 4x4 Actuator VIN: 5TBDT44114 This tundra has inop.4x4.we found on hoist that front driveline turns but front axle does'nt engage.after driving short distance in 4 wheel we discovered front actuator motor was hot.we ck'd on internet and found that many had problems with front actuator corr...	View
	2000 Volkswagen Passat GLS 2.8L no heat VIN: WVWVD23B7Y hey vw guys thanks in advance. we have this passat it came in with no heat. we let it run tested the hoses they were at 150f. so we decided to change t-stat,water pump, t-belt. all went well until it warmed up. the hoses are now at 185f heater hoses at 165f we...	View
	2001 Volkswagen Passat GLS 1.8L brake light switch VIN: WVWPD63B01 Passat came in about 3 weeks ago - would not shift from park - red light on center console asking for brake pedal to be dpressed would not go off - replaced brake light switch - car shifted out no problem -- returned this week -with exact same issue -- figurd ...	View
	2002 Volkswagen Passat GLS 1.8L Surge VIN: WVWPD63B62 Hey all, Got a 1.8 turbo here with a steady surge on accel. On light accel(boost under 5 lbs) car runs great. Moderate to heavy accel you get this surge, with pressure gauge installed you can watch the boost climb to about 5.5 lbs & then it slams back to 0lbs,...	View
	2002 Volkswagen Jetta TDI 1.9L Mechanical VIN: WVWSP61J72 Since The replacement of the front pads and rotors due to wear, at 123,000 miles the customer has come back 4 times with a pulsation coming from the front brakes. This intially started in someone eleses hands and has now ended up in mine. I found that the fron...	View
	2002 Volkswagen Passat GLX 4 Motion 2.8L Missing connector VIN: WVWTH63B42 I am trying to plug the cam sensors into the main harness. Both cam sensors have a 3'jumper harness on them. That jumper harness then plugs into the main harness. I know, the wiring diag. does not show the jumper harness but they are there. I found one green ...	View
	2001 Volvo V70 2.4L cam seal VIN: YV1SW61R41 car came in leaking oil badly from cam seal on intake cam with vvt unit. checked crankcase vent system , its working . when replacing seal i noticed cam adjuster unit moves in and out about 3/16 to 1/4 ".after replacing seal seemed not to leak for 1-2 days the...	View

Fixes & Summaries for All Makes and Models

	Fix/Summary	Answers
	2004 Audi A8 Quattro L 4.2L Readiness monitors VIN: WAUML44E74 Thanks for the replies. Yes, one does have to floor the gas pedal while holding the brake pedal at the same time. I was able to force all of the monitors to run which in turn failed the Cat. In Mass you can have one monitor not run and get a sticker for this ...	6
	1998 Buick Regal LS 3.8L MIL Lamp on VIN: 2G4WB52K6W SMOKED SYSTEM AND FOUND VACUUM LEAK AT EGR TUBE GASKET Trouble codes: P0507 (Idle control system rpm too high).	23
	2006 Buick Rendezvous CXL 3.6L hazard fuse VIN: 3G5DB03716 I HAVE NOT FOUND THE SHORT IN THIS VEHICLE. WE STARTED ELIMINATING DIFFERENT LIGHTS, TRACING WIRES FOR BARE SPOTS, SWITCHES TRYING TO NARROW DOWN THE PROBLEM. CUSTOMER DOES NOT WANT TO SPEND ANY MORE LOOKING FOR PROBLEM. THANKS FOR ALL THE HELP THIS IS JUST ON...	13
	2003 Chevrolet Silverado 2500 HD 6.6L No Start VIN: 1GCHC23133 HI ALL, CUSTOMER SAYS HE JUST GOT THE TRUCK SO HE KNOWS NOTHING ABOUT ITS REPAIR HISTORY,CHECKED FOR CODES LIKE I STATED IN MY FIRST POST! NONE FOUND. DID THE RELEARN PROCEDURE TOOK 30 MINS. 10 MINS ON 3 TIMES, NEW KEY FOB SAME RESULT. SO WHAT I DID FIND WAS A...	5
	2000 Dodge Dakota 3.9L Stall VIN: 1B7GL22X1Y First of all a big thanks to all who responded.We finally got vehicle to act up every time we would go to reverse. After about 4 times it set a crank code.Replaced sensor and seems fine now.Time will tell. Thanks again John	8
	2006 Dodge Durango SLT 5.7L tpms VIN: 1D4HB58206 Want to say thanks to all you guys for the help...well the Durango had to go to the dealer for reconfiguration , you need a star scan tool to do it my modis was not up to the task...one tech said to check the wcm for tpms data ,none found.This vehical never ha...	7
	1992 Ford Ranger XLT 3.0L High Control Pressure VIN: 1FTCR10UXN we talked to a local ford mechanic an what fixed it was shortening the modulator pin. he said to take the o-ring off the modulator an right before the modulator seats the whole way you should just feel a little resistance. doing this brought our pressure rig...	5
	1998 Ford E-150 Econoline 4.2L Surge VIN: 1FTRE1425W found clogged fuel injectors and clogged fuel filter.had to change gas tank also.van set for 4 years.	15
	2000 Ford F-150 4.2L glass VIN: 1FTZX0725Y well after replacig regulator problem got worse.removed after market reg. & reinstalled original iread from most atm to use silicone cause it doesn`t attract dirt so bad.sprayed channels and boom up/down like new.i suppose driver side has to be perfect cause n...	9
	2001 Ford Windstar SE 3.8L Lost Reverse VIN: 2FMZA51461 Much thanks to all who responded! We took a little vacation, but I got back to the Windstar tranny. I took just about all the advice, tossing in the TransGo shift kit, a new EPC solenoid, double checking everything you all mentioned, along with a Transtar mast...	9
	2002 Ford Taurus SE 3.0L MIL Lamp on VIN: 1FAFP55U22 Thanks for replies guys, but I have found the problem. After searching forever to find a wiring diagram that shows this circuit I found that when requested the light is grounded by the PCM on circuit 1017 I found that that circuit is short to ground, after che...	2
	1991 Honda Accord SE 2.2L No Start VIN: JHMCB7684M Thanks everyone for all the help. You would not believe what the problem was and its my fault for not catching it earlier. When I first checked the timing just a quick check, I took the #1 spark plug out and raised the piston to top dead center and pulled the ...	54
	2003 Hyundai Elantra GLS 2.0L a/c defrost VIN: KMHDN45D23 Hi folks. did a little more research & replaced a/c module. All is well .	3
	2007 Kia Sportage LX 2.7L o2 sensor VIN: 1GH23H5SDF I appreciate the help and I did figure it out by watching the scan data and then unplugging them. I had them right the first time but if i wouldn't have double-checked them, i'm sure they would be wrong! Thanks again.	3
	2003 Land Rover Range Rover HSE 4.4L MIL Lamp on VIN: SALME11403 Thanks to all that replied. We smoke the exhaust system and found leaks coming from around the welds of the converter. The customer declined the repair for new cats. Every response hit it right on the head. Thank you all. Trouble codes: P0159.	12
	2003 Oldsmobile Alero GL 2.2L Steering VIN: 1G3NL52F23 AS MOST OF US SUSPECTED,IT WAS THE STUB SHAFT SEAL ON THE BOTTOM OF THE STEERING COLUMN.I SPRAYEDIT DOWN THOROUGHLY AND ASKED THE CUSTOMER TO GIVE ME AN UPDATE IN A FEW DAYS.HE CALLED YESTERDAY AND SAID IT WAS GONE COMPLETELY!HE'S VERY HAPPY BECAUSE HE LIVES O...	11
	2001 Pontiac Grand Prix SE 3.1L Headgaset VIN: 1G2WK52J01 First of all thanks to all who offered assistance, well it seems my problem was 2 fold. for whatever reason the intake lifters were indeed pumped up. I looked into each cylinder with my borescope and I could see that the intake valves were not seated all the w...	19
	1998 Porsche Boxster 2.5L Hesitation, MIL Lamp on VIN: WP0CA2982W Thanks for the replies but this vehicle has apparently not been acting up and hasn't been back to fix the problem. Considering what was suggested, I'm going to have to assume the mass air sensor is probably my most likely suspect. A new part isn't always a per... Trouble codes: P1129 (Adaptation close to full load mixture too rich B2), P1127 (Adaptation close to full load mixture too rich B1).	5
	1992 Subaru Legacy 4x4 2.2L ride quality VIN: 4S3BJ6320N most of you nailed it with the front axles! thanks so much for all the help. this one really had us scratching our heads! IATN is awesome, thanks to all who replied!	8
	1997 Subaru Impreza L 2.2L Starter VIN: JF1GM4354V Thanks to the ones that responded. The customer has decided to "let it ride" until it stops working. One response indicated a possible bent trans case due to dropping or accident damage not known to us. The consensus is an incorrect flywheel since the one we r...	3
	1999 Volkswagen Jetta TDI 1.9L MIL Lamp on, No power at all VIN: 3VWSF29M3X Thanks for the support That I recieved in this, Bottem line, the Mass air flow sensor was defective, the EGR valve was definalty plugged up & the in-take kind plugged as well, the car ran the same but with the turbo noise afterward, until I unplugged the mass ... Trouble codes: P, 1256 (Coolant temp), P, 1403 (Egr / intake clogged).	18

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