Automotive Technicians Technical Discussion and Fixes for Oct 10, 2013

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	Help Request	Answers
	2007 Audi A6 Quattro 3.2L MIL Lamp on VIN: WAUDH74F07 veichle came in with codes,p0455 & p0456.smoked system,found leaks by intake.2 vacuum tubes and elbow.replaced them cleared code and shipped veichle.came back with only p0456.smoked system again,sprayed with soapy water no signs of a leak. held pressure at smo... Trouble codes: P0456	View
	2001 BMW 325Ci 2.5L No Start VIN: WBABS33401 Vehicle brought from other shop. Could not get vehicle to crank, or any data information from any control units. I use bmw gt1 has no communication with any system in the vehicle. Checked power at obd ii has power and ground, alldata states it has a 20 pin und...	View
	1995 Buick Century Special 3.1L Excessive Emissions VIN: 1G4AG55M5S Hi Everyone, I have this buick century that has failed emission test a 15mph and 25mph. The recording emission readings are for the calif. state 12 & 25 mph test. I was wondering if someone could lead us in the right direction. I believe the vehicle is not ov...	View
	2002 Buick Rendezvous CX 3.4L No Start VIN: 3G5DA03E32 This van will intermittently not start. When it happens, there is fuel pressure and spark. No injector pulse. It seems if you let it sit for awhile it will start back up. There are no codes present. It never stalls while running. It shows cranking rpm on Te...	View
	2003 Buick LeSabre Custom 3.8L Cuts out, Stall VIN: 1G4HP52KX3 Customer stated over course of last 6 months vehicle would randomly die out and then would start immediately. May only happen once every two or three weeks. However, he stated that it occurred 3 times in last two days so he brought vehicle in. He stated that h... Trouble codes: P0101	View
	2005 Dodge Sprinter 2500 2.7L Altenator VIN: WD2PD74405 Please help. I can only find limited information on the charging system. I believe the problem is a missing field driver signal, but cam't find out what the signal or voltage should be. Also is there a way to excite the field winding externally.Thank you all i...	View
	2007 Dodge Charger R/T 5.7L noise VIN: 2B3KA43H57 I Have been chasing a noise on acceleration for one of my customers for about a year now. This noise is extremely faint usually, is noticeable only on acceleration, and I can only really hear it when I am driving parallel to a building to reflect the sound. I...	View
	1996 Ford E-350 Econoline 7.5L Surge, Cuts out VIN: 1FDKE30C0T This van will surge at idle and light throttle. I have found a corroded coil tower. Replaced coil and plugs and wires. Also found thermostat stuck open. Have replaced thermostat. The problem is the fuel pulse width will jump from 5 to around 14 for .1 of a sec...	View
	2000 Ford Taurus SE 2-Valve 3.0L No Start VIN: 1FAFP55U0Y The customer was driving and the cer cut off on him,as not started since. I can get it started by spraying starting fluid in the throttle body is the only was it starts. The problems is one of two, First the fuel injectors are all not getting a ground pulse f...	View
	2001 Ford F-350 Super Duty Lariat 7.3L idle VIN: 1FTWW33F31 Hi all have this 2003 F350 7.3D. That is running really rough. Have code P0541 and P0476. While running if I open the fuel relief valve the vehicle levels out. At idle ICP is 700-800psi and IPR is 16-17%. There are times the vehicle will level off a bit but fo...	View
	2002 Ford Explorer XLT 4.0L Poor Idle Quality, Cuts out, Stall VIN: 1FMZU73E42 Vehicle has intermittent stall and/or low idle concern. Symptom is worse when in gear at a stop compared to just idling in park/nuetral. Symptoms get worse when vehicle is warm or hot. Idle fluctuates always, but never more than 100 or so RPM, between 650 and ...	View
	2006 Ford F-250 Super Duty XLT 5.4L Poor Idle Quality, Misfire, MIL Lamp on, No power VIN: 1FTNF21576 Farm truck was brought in as a no power complaint- yep no throttle control, Truck is running just over 1000 rpm and rough idle- seems to be missing. I looked at the cylinder contribution test and every cylinder was missing intermittently- seems to follow a pat... Trouble codes: P2104, P2107, P2110	View
	2012 Ford E-250 5.4L MIL Lamp on VIN: 1FTNE2EL2C Hello there. I work for the City of El Paso, Texas and I am trying to find the source of the problem for a fleet of 25 propane-only powered 2012 Ford E-250 vans. Here is the problem; each of these vans have been back to the Ford dealer multiple times for stall... Trouble codes: P0009 (Unknown)	View
	2005 GMC Sierra 1500 SLE 5.3L windows, door locks, radio, dome light VIN: 1GTEK19B15 Hello all. This is my first inquary, hope all is well. 2005 gmc pick up 5.3 4x4. cust states drove fine to home, next morning would not start. security light on radio was inconsistant at first, now non existant. truck will crank and fire, then die. power windo...	View
	1995 Honda Civic del Sol Si 1.6L Poor Fuel Economy, Timing VIN: JHMEH6266S Hi I wanna thank. every body in advance on this one. soher we go. this one had a timing belt replaced by annother shop and it was not installed correctry. customer states that gas millage went down by 10 miles a gallon less than what it normally gets. also cla...	View
	1996 Honda Accord LX 2.2L No Start VIN: 1HGCD7239T Customer brought me a used distributor to put on as the old one is aftermarket and suspected to causing misfire per someone elses diagnosis. So, I installed used distributor and now it cranks, but won't start. I reinstalled aftermarket distributor and still cr...	View
	2001 Honda CR-V SE 2.0L Code VIN: JHLRD18771 I have not had this much trouble with a Honda stereo before: We had replaced the transmission and then called the dealer with a serial number from the glovebox and received the code. When we punched in the code the stereo did not accept it. We asked the custo...	View
	2007 Hyundai Sonata GLS 2.4L Communication VIN: 5NPET46C57 Need a little guidance from the Hyundai crew. 2007 Sonata needs an OBD/emission test. Hook up to the inspection machine and no communication. Try a couple of code readers, snap on and Autel scan tools, same issue, no com with ECU. Can communicate with all othe...	View
	2011 Hyundai Sonata GLS 2.4L Eps VIN: 5NPEB4AC0B This vehicle has exhibited a very strong and dramatic shift in direction when hitting a bump. We have repeatedly checked the front end to no avail. The SAS is reading within half a degree of where the wheel is, i have recalibrated it with no change. No DTC's o...	View
	2006 Lexus LX470 4.7L window switch VIN: JTJHT00W76 I had the window reg and motor out and can't initialize the auto up function. Holding the switch up after the window stops in an up position is not working---what do I need to do?	View
	1995 Mercedes-Benz SL500 5.0L No Start, Poor Idle Quality, Misfire VIN: WDBFA67E4S Hi all in IATN land. Thanks for taking time from your day to read this post. Well maintained car. Has had this problem for some time. Car goes to FL every winter so it's hard to catch' There are several codes in it. Beyond what I listed Code # 11 reference res... Trouble codes: 2 (Max retardatio), 3 (ECT B11/9 from LH2 SFI implausable), 6 (Cam position sensor L5/1), 8 (Trans overlay protocal switch S65 does not close)	View
	2002 Mercedes-Benz CLK430 4.3L Air Bag Srs Light VIN: WDBLJ70G22 Vehicle came in for no power door locks, windows or a/c, removed carpet and found carpet and carpet pad wet, appears to be flood car. Inspected wiring harness found CAN conector severly corroded,repaired and test drove vehicle. Had good test drive after gettin...	View
	2004 Mercedes-Benz E320 4Matic 3.2L Rear Air Bags VIN: WDBUH82J44 I bought this car at auction. The rear air suspension was down. This is the wagon model and only has rear air suspension . The battery was dead so i jump started it and as it was running it said the rear was low don't drive it as i waited the left side airbag ...	View
	2004 Nissan Maxima SL 3.5L No Start VIN: 1N4BA41E24 Thanks for help in advance...has no spark, customer got in it one morning and it wouldnt start. Has inj pulse, fuel pressure, 175-189psi compression in cylinders. No codes. Disconnected both cam sensors, still no start. If i disconnect the crank sensor, it wil...	View
	2004 Nissan Xterra XE 3.3L Door Locks VIN: 5N1ED28Y14 So originally this xterra came in for a overcharging alternator it was charging at around 15-16 volts. Replaced battery, Alternator and ECM. Now the door locks will unlock like normal however the door locks with lock and unlock normally only when the headlight...	View
	1998 Other GM T2000 .0L Ecm We have a 1998 kenworth t2000 -cummins n14 celect plus ,runs rough and numerous injector codes,after doing all troubleshooting steps we removed the alternator belts-engine runs fine -no codes ,replaced alternator with delco -same problem again any help ?	View
	2002 Saturn L200 2.2L brk pedal VIN: 1G8JU54F82 cust complaint of loss of pedal not able to duplicate but happened to more then one driver over a few month pereiod	View
	2004 Toyota 4Runner Limited 4.0L climate control VIN: JTEZU17RX4 HELP Hi , thanks for your time . After replacing the ac evaporator we noticed first the coolant temperature gauge does not work all the time . It moves from reading correct to all the way cold after moving the truck only a few feet , there seems to be no rime ...	View
	2003 Volkswagen Passat GLS 1.8L No Start VIN: WVWPD63B73 Vehicle cranks no start has fuel pressure. No power to injectors (fuse 29) no power to fuse 32 and 34 when cranking. We have another passat for comparison and fuses 32 and 34 are powered when cranking. We are not clear as to chain of events came from another s... Trouble codes: 01314 (No ecm Comunication), 0316 (No abs Communication)	View
	2004 Volkswagen Jetta GLS 2.0L catalyst VIN: 3VWSA69M64 Help VW techs! we have this Jetta with its second DEC catalytic converter. the vehicle will set a p0420 every two months or so- we can never find anything else wrong with the car (no t stat stuck open, o2 sensors read normal). I personally have an issue with b...	View

Fixes & Summaries for All Makes and Models

	Fix/Summary	Answers
	2000 BMW 740iL 4.4L speedometer VIN: WBAGH8344Y The overwhelming consensus was these ABS units fail a lot. They were correct. Sent it to BBA REMAN. They charged $350 plus $35 shipping. After installation I had a steering angle sensor code. I was able to reset it with snap on scanner. Speedo works_no indicat...	14
	1995 Chevrolet Tahoe LS 5.7L 30 kv at idle VIN: 1GNEK13K7S Thanks for all good advise; and all was good! I tryed or investigated every responce. The end result was very frustrating. After spending about 5 hours isolating this problem, I found out that my kv tester was incorrect. I should have picked this up when I got...	29
	2001 Dodge Dakota Sport 4.7L No Start, Surge, Stall, transmission VIN: 1B7HG2AN01 Hello everybody, Ok truck still staling check all wiring to ECM and fuse box] I replaced cam and crank sensor ran good for one day then started all over again. But this time I got check engine light on DTC p0700, p0725 so checked connector found it did not w...	6
	2005 Dodge Ram 3500 SLT 5.9L hvac system VIN: 3D7LS38C55 well come to find out the compressor shaft is leaking...i tried the shower cap trick overnight and nothing happened,so i took it to an old guy a coupe blocks over who just messes with ac a little bit anymore ,guess he used to be the"man" back in the day...told...	11
	2011 Dodge Grand Caravan Mainstreet 3.6L No fuel pressure VIN: 2D4RN3DG4B Thank you all of your help *** we replace fuel pump, vehicle start up right away. again thank you!!	7
	1998 GMC Sonoma SLE 4.3L Cuts out VIN: 1GTCS19X7W Finally found the problem. The distributor gear was worn and affected the timing intermittently. I checked the timing and found it would jump a few degrees out of the range that could be compensated for by the computer. The worn cam gear had moved the timing t... Trouble codes: P0300.	23
	2003 Hyundai Accent GL 1.6L Trans VIN: KMHCG45C23 well i have talked to two diff trans builders and they are of a mind that the trans needs to come apart soo thats what is going to happin thanks for input.	3
	2000 Isuzu Rodeo LS 3.2L Stall, MIL Lamp on VIN: 4S2CK58W7Y The car was running rich, so I decided to pull the 02 sensor out and every thing went back to normal. why it didn't give any rich or lean code? who knows. customer declined to replace the cats for now... However I felt much more confident about recommending th... Trouble codes: P1125 (electronic throttle control limit performance), P1295 (etc power management), P1515 (Command Actual TPS Correlation).	4
	2004 Jeep Grand Cherokee Overland 4.7L p0846 c2 sense through 1-2 Shift VIN: 1J8GW68J84 This problem is hard to identify without some special spx tools. I did install the 8258 and 8259 miller test pan with taps and found 2c pressure sense with 3psi when commanded on with the drb3. I took comparison tap test on OL and 4c where I found OL consistan...	3
	2003 Mercedes-Benz C230 Kompressor 1.8L Misfire VIN: WDBRN40J33 Well it's not fixed but we know what the culprit was. Blown head gasket. Ran vehicle hard and then performed CO test in coolant bottle= Turned green has blown head gasket or other engine issue. Customer decided it was time to move on. Car also had all kind... Trouble codes: P0128.	8
	2004 Mercury Grand Marquis GS 4.6L Poor Idle Quality VIN: 2MEFM74W04 Thanks to everyone who took the time to respond, all suggestions were considered carefully. I can't recall exactly who suggested what, but I'll answer as best I can. -There were several suggestions to check for vacuum leaks/PCV elbows/cracked intakes. Lookin...	18
	2002 Nissan Maxima SE 3.5L Cuts out, Stall, MIL Lamp on VIN: JN1DA31D62 Heys guys customer hasn't had any problem with the car.Not sure what happen.As my Tech said everything that he checked looked good at the time.If the customer does have futher issues with this problem we will have extra info thanks to all that replied,and than... Trouble codes: P0340.	8
	2000 Saturn SL 1.9L No Start VIN: 1G8ZF5281Y Thanks everyone, the explaination I got is, that seeing that Saturn has been discontinued GM doesnt support it on it website. I don't know how factual that is but... we sent it to the dealer to reflash and it took them 4 trys to get it. I understand the afterm...	7
	2003 Toyota Solara SE 3.0L Dead Battery VIN: 2T1FF28P43 WELL, WE HAVE COME TO THE CONCLUSION THAT THE SEAT BELT IS HANGING DOWN AND GETTING CAUGHT IN THE DOOR KEEPING IT AJAR.	7

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