Automotive Technicians Technical Discussion and Fixes for Mar 1, 2013

Join Now

Prev	Professional Automotive Repair Technical Discussions for March 1, 2013 International Automotive Technicians' Network (iATN) - Members Only	Next
(Also Available: All, Asian, Chrysler, European, Ford, GM.)
Vehicle Owners: If you are seeking an automotive repair professional to service your vehicle, visit the iATN Repair Shop Finder.

Open Help Requests for All Makes and Models

	Help Request	Answers
	2000 BMW 540i 4.4L abs VIN: WBADN6340Y Hi guys i need some BMW help. I have abs coming on just before a stop as if a wheel speed sensor is dropping out.Does not act up over 40 kmph. Scanned and found code 20/32 Right Front Signal implausable. Checked sensor was very coroded and pushed out of housin...	View
	2006 BMW 325i 3.0L Water Pump VIN: WBAVB13586 Did a thermostat on this car a month ago, customer brought it back said it was overheating on the freeway. I thought it might be air in the system so I performed a system bleed by setting the fan to low, the temp to high, turning on the key and holding the acc...	View
	2007 BMW 328i 3.0L MIL Lamp on VIN: WBAVC535X7 Vehicle had come once before about a year ago. We replaced the valve cover and eccentric shaft sensor. Exact same series of codes were present. After replacing the sensor and clearing codes vehicle was fine. Currently we are having an extended hard crank. It e... Trouble codes: 2A33, 2A47, 2A31	View
	1998 Chevrolet Express 3500 LS 5.7L MIL Lamp on VIN: 1GBJG31R9W This came in with a cam/crank code. Runs as though missing although it isn't showing up on the misfire counts. The cam retard reading is -27 degrees. I'm pretty sure the distributor is off. I need my memory refreshed on which way I need to move the distributor... Trouble codes: P1345	View
	1999 Chevrolet Tahoe 5.7L Poor Idle Quality, Hesitation VIN: 3GNEK18RXX Hello all, need some help here. Vehicle came in for poor performance. Determined #7 cylinder leakage through exhaust valve. Removed cylinder heads and found severly bent exhaust vavle, performed valve job and reinstalled. After repair we noticed it running n... Trouble codes: P0171 (System lean bank 1), P0172 (System lean bank 2)	View
	2005 Chevrolet Corvette 6.0L A/C tensioner VIN: 1G1YY24U55 Howdy, Its me again, This gently driven 2005 Corvette came to us with a noise complaint, first described as a scraping sound when stopping. It just had the rotors turned at a dealership to correct this complaint. She was coming to us since she felt it wasnt re...	View
	2006 Chevrolet Equinox LT 3.4L Starting / Shutting off / Power Control VIN: 2CNDL63F06 Customer brought vehicle in because they can't shut it off by key, continues to run with the key off and out of ignition and have to disconnect the battery and main engine relay to shut it off. Re-connecting the battery, without key in ignition.. everything po...	View
	2008 Chevrolet Tahoe Hybrid 6.0L No Start VIN: 1FGNC13568 hello fellow members and thanks ahead of time for any help.my son-in-law bought a wrecked hybrid tahoe it was wrecked in the front right fender.it deployed all of the side air bags.nothing to hard to fix there, but it now wont start.i have never worked on one ...	View
	2001 Chrysler Sebring LXi 3.0L fans VIN: 4C3AG52H21 Hello all, replaced stat roughly one year ago due to no heat at idle, plenty if engine revved, stat seemed to cure it. Came in with similar complaint this year and considered water pump impeller problem an option, plus was due for timing belt anyway. Replaced ...	View
	2005 Chrysler 300 Limited 3.5L navigation system VIN: 2C3JA53G65 Replaced navigation disc CD with version AK about 6 months ago. Bought off of Ebay original Chrysler package and appears OEM disc. Worked fine until weather started getting cold, unit will flash disc read error until vehicle gets warm inside then if you remove...	View
	2007 Chrysler PT Cruiser 2.4L Poor Idle Quality, MIL Lamp on VIN: 3A4FY48B17 Car runs pretty good but at Idle it feels very rough and set code p0016 cam crank coralation problem. I have check the timing many times and all seems well there. I have replaced the cam sensor and teh little magnetic pick up behind it and still have the same ... Trouble codes: P0016	View
	1993 Ford Mustang LX 5.0L Surge, Cuts out, Stall VIN: 1FACP40E5P Posting this for another shop, its the techs personal car. Tech says in warm weather in stop and go traffic the car will start missing and eventually die. He says if he turns it off at stops when he restarts it, it still runs poorly but by doing this he can ma...	View
	1994 Ford Explorer Eddie Bauer 4.0L fuel gauge VIN: 1FMDU32X8R after replacing fuel level sender fuel gauge sloshes on acceleration from a stop and coming to a stop. gauge very sensitive when fuel sender is worked manually.	View
	2007 Ford Ranger XLT 2.3L Fuel gauge VIN: 1FTYR10D17 Hello again everyone. I have this ranger in here that we have been trying to get it to act up enough to fix a no start at times. Never will not start long enough to find the problem. Anyway the fuel gauge is working backwards(Full=empty and empty=full). Figure...	View
	2005 Honda Odyssey EX 3.5L Surge, Misfire VIN: 5FNRL38785 hello all this is a tough one when driving vehicle, at 51mph it will feel like it has a slight misfire, or shutter. like you are driving on the rumble strip. but no misfire on the counters, and does it after it shifts in lockup. pcm has been reflashed, honda s...	View
	2008 Honda Fit 1.5L engine misfire VIN: JHMGD38438 Car came in with check engine light and a po304 code. Appeared that the car had the original spark plugs and coils. Changed #4 coil and installed 4 new spark plugs. The code came back almost immediately. The engine appears to shake mostly when cold,and does se...	View
	2001 Jaguar S-Type 3.0L shifting VIN: SAJDA01N81 The car came in without a symptom, and the complaint is very intermittant. Customer reports that the transmission will either not shift into gear or will hunt among the adjacent ratios, but that the symptom will usually disappear when he turns the key off, the...	View
	2006 Jeep Grand Cherokee Overland 5.7L MIL Lamp on VIN: 1J8HR68246 long term trim numbers are high at idle, bank1 25, bank2 18. readings come down under load to about 6 or 7 both sides. b1 rear oxygen sensor reads low. already replaced bank 1 sensor 2 0/2 sensor. also cross switched rear sensors. smoke tested intake and exhau... Trouble codes: P2096	View
	2006 Lexus RX330 3.3L Air Bag VIN: 2T2HA31U16 Hello techs. I have a Lexus RX330 driving me crazy. This vehicle was brought to us from a local body shop to have the occupant classification system reset after an accident. While attemting to do so with our Bosch VCI, we keep getting an EPROM error message an...	View
	1998 Lincoln Navigator 5.4L Misfire VIN: 5LMRU27L2W Vehicle brought to shop for a misfire, performed scan diagnostics and no codes found, performed cyl contribution test and found a 2-two second miss fire on every cylinder in order of the firing order. When it completes all cylinders it recycles again and has a...	View
	1988 Mercedes-Benz 300SE 3.0L Poor Idle Quality VIN: WDBCA24D4J Trying to perform bulletin DDO7.3-90071 selector override. Grounding of violet wire removed from connector X26 pin 10. Cannot find connector X26 in Alldata or MOD. Can anyone please point me in the right direction? Thanks,	View
	2002 Mitsubishi Galant ES 2.4L Poor Idle Quality, Cuts out, Misfire, MIL Lamp on VIN: 4A3AA46G12 Vehicle came in for various intermittent driveability symptoms: surge, bucking, stalling, misfire, check engine light on. Codes found were: P0421 Warm up CAT efficiency low B1 P0135 O2 Heater circuit B1S1 P0507 Idle Control system (RPM too high) P0403 EGR s... Trouble codes: P0303 (Cylinder 3 Misfire Detected)	View
	2004 Nissan Titan LE 5.6L No Start VIN: 1N6AA06BX4 The vehicle was bucking at about 2500rpm, then out of no where the vehicl just died and never started. We have check crank signal and check cam signal. They are all good. We have replace the ecm and ipdm and nothing is working. We have power and ground at the ...	View
	2003 Porsche Boxster Roadster 2.7L MIL Lamp on VIN: WP0CA29883 I have a pid for pressure that seems to be reacting correctly when I pressurize and de-pressurize the system although it never drops completely to zero but I can't actually find the pressure sensor on this system. Alldata does not display a location and my vis... Trouble codes: P0455, P0451	View
	2001 Saab 9-3 SE 2.0L Poor Idle Quality, Surge, Cuts out, Misfire VIN: YS3DF78K41 Ok saab guys, if there are any left out there, Vehicle came in for a intermitant miss usally at idle mostly when the fan would cycle for ac or temp control. But not always, has no codes , Acts like alternator when its getting a load its bad but makes no differ...	View
	2009 Saturn Vue XE 2.4L Electronic red brake light on dash with scanner looked at the park brake swicth and the low brake fluid switch both working ok.looking at the system possible bcm ,any ideas? thanks in advance.	View
	2005 Toyota RAV4 2.4L window VIN: N0TATTH1ST i have had this rav4 comein for intermintent window driver side wont roll down or up on ocassion and sometimes have problem like slow up and or down, i replaced the motor seemslike worst but not to sure if it isthe switch it click when going up or down but i a...	View
	2003 Volkswagen Passat GLS 1.8L No Start, MIL Lamp on VIN: WVWPD63B13 Starts and dies, won’t stay running. Throttle does not open, codes P1545, P1558, P1579. Fails adaptive resetting. When monitoring with Vag-Com both APP sensors look good, when opening throttle plate by hand angle sensors look good. TB motor resistance is 1.2 o...	View
	2011 Volkswagen Jetta TDI 2.0L bent valves VIN: 3VWLL7AJ1B Vehicle was at another shop, according to driver it cranked normally and would ALMOST start but not run. Towed to other shop, it was determined that fuel was to blame (B100, please no lectures about B5 being only authorized) so other shop then determined there...	View
	2000 Volvo S70 GLT SE 2.4L speed sensors all VIN: YV1LS56D1Y Coutomer came in with abs/brake lights on. coustomer had parts on hand (diagnosed himself with his own code reader). So I put on his parts and light came back on. so I did some testing and found a faulty abs modual. just tap on it and it would work for a while...	View

Fixes & Summaries for All Makes and Models

	Fix/Summary	Answers
	2002 Audi A4 Quattro 3.0L wipers VIN: WAULT68E82 This one is fixed. The module in question was the vehicle electrical systems control module, mounted behind the knee bolster. I re placed it, and the ECM housing under the cowl. The housing had a bad gasket, and that's what allowed the water to leak in.	5
	2009 Audi S5 4.2L MIL Lamp on, over heating VIN: WAURV78T89 Vehicle came back to the shop yesterday. I unplugged the thermostat and checked resistance. The thermostat was reading 3M ohms. So it definitely was open. The right side enjne mout had spent all its fluids out. Unfortunately I was dealing with a gentle man who... Trouble codes: P0597, P1575.	5
	2004 BMW X3 3.0i 3.0L Sunroof VIN: WBXPA93474 THANKS FOR ALL THE HELP. I CLEANED ALL OF THE DRAINS AND SEALED THE SUNROOF HOUSING AROUND THE REAR CABLES.	3
	2005 Buick Rendezvous Ultra 3.6L all body sytems VIN: 3G5DB03755 Thank you guys for all the replies. I had initially pulled all fuses to figure out what circuit it was on. I was set on the premise that it was an issue with the bcm because of the problems I was having all had to do with the bcm. I realized that I had only p...	12
	1996 Chevrolet Monte Carlo LS 3.1L No Start VIN: 2G1WW12M7T thanks for all the replies i got this one fixed it ended p having a broken wire under the carpet under seat	23
	1999 Chevrolet S10 2.2L Converter VIN: 1GCCS144XX Well we were able to go thru a 99 valve body on a core and change it out. That fixed it dont know exactly what was bad maybe the sonnex valve we put in. Thanks again for all replies.	5
	2003 Chevrolet C4500 Kodiak C4C042 6.6L low engine temp VIN: 1GBC4E1173 Thank you to all who responded! The input was very helpful. I came to the conclusion that low temp at idle is normal and returned vehicle to customer.	7
	2008 Chevrolet Silverado 1500 WT 5.3L base brakes VIN: 2GCEC13J08 PERFORMING ABS BLEED PROCEDURE SOLVED OUR BRAKE PEDAL PROBLEM.	11
	2005 Chrysler 300 2.7L Heater VIN: 2C3JA43RX5 Sorry for the late conclusion but this one turned into a "Can of Worms". While removing the valve covers to access the water pump and chains, we noticed the excessive oil sludge that had accumulated inside the entire engine and decided to pull the engine out a...	19
	2001 Dodge Grand Caravan ES 3.3L wipers,radio,hvac,power windows VIN: 2B4GP44R81 After pulling a lot of the wiring apart to look for a problem ( non found)I found a lot of corrosion residue on the wires upon cleaning them I could not recreate the problem the vehicle has not been back so I am not sure if the problem has returned or not. Tha...	11
	2006 Dodge Charger SXT 3.5L transmission VIN: 2B3KA43G76 This Charger is fixed. Thanks to all who replied and gave me some information and help. The problem was the cv shafts. On both shafts the magnetic ring came off of the shaft due to rust. Thank you all again Trouble codes: U140C, U140B, P0501.	9
	2007 Dodge Durango SXT 5.7L Master Cylinder VIN: 1D8HB48247 After further investigating I realized my mechanic did not see that owner had installed wrong caliper and Yes the Bleeder was on the bottom of the caliper. Thanks to All for the input...	10
	2005 Ford Expedition Eddie Bauer 5.4L Cuts out, Stall, Misfire VIN: 1FMFU18555 I replaced the bad coil & replaced the spark plugs & boots.That fixed the problem. I want to thank all of you for the help. Bill [...] Trouble codes: P0304 (2 misfire).	10
	2006 Ford F-350 Super Duty XLT 6.0L electric fan clutch VIN: 1FTWW33P46 thanks for all the good suggestions, we susspected the electronic controlled fan was the problem, and it was, replaced it and the pressures stay within specs, again thank you all who helped in this matter,	4
	2006 Ford Expedition King Ranch 5.4L R.F. power window VIN: 1FMFU17586 Thank You all for your help. I had to change the F.R. window motor and both window passenger side switches. Everything working how it should be.	6
	2004 Honda Accord EX 2.4L air mix control motor VIN: 1HGCM56604 After manny hours of searching for information I managed to get my hands on a dealer "service manual" courtesy of a friend at the local honda dealership (no one there would help at first). After a lot of fault tracing the problem was found to be a faulty contr...	3
	2005 Honda Pilot EX 3.5L Excessive Emissions, MIL Lamp on VIN: 2HKYF18415 Thanks to all that replied. I do think that the cat faults were just an unfortunate coincidence for the customer. We agreed to install their supplied parts (aftermarket, poor fit stuff), with no warranty on parts or labor. Once the pipes were down off the c... Trouble codes: P0420 (catalyst failure bank 1), P0430 (catalyst failure bank 2), P0340 (CMP sensor signal fault).	8
	2005 Honda Pilot EX 3.5L Excessive Emissions, MIL Lamp on VIN: 2HKYF18415 Thanks to all that replied. I do think that the cat faults were just an unfortunate coincidence for the customer. We agreed to install their supplied parts (aftermarket, poor fit stuff), with no warranty on parts or labor. Once the pipes were down off the c... Trouble codes: P0420 (catalyst failure bank 1), P0430 (catalyst failure bank 2), P0340 (CMP sensor signal fault).	7
	2006 Honda Pilot EX 3.5L heater, no heat VIN: 5FNYF28796 I'd like to thank all the members who took the time to respond, I finally pulled a vacuum on the drained system and let that pull the coolant in then took it on a high rpm test drive. Thanks IATN	7
	2003 Jaguar S-Type 3.0L limp mode VIN: SAJEA01T43 Sorry to take so long to post fix. I wanted to be sure. Thanks for all the replies. Most said faulty throttle bodies cause these problems. Others said to check for water leaks onto ecm. In my case it turned out to be the new battery I installed was faulty. Ano... Trouble codes: P0121, P0122.	6
	2000 Jeep Wrangler Sport 4.0L secuity VIN: 1J4FA49S8Y used the drb3 still tool abit of smooth the ccd bus signal though	21
	2004 Jeep Wrangler Sport 4.0L Poor Idle Quality, Hesitation VIN: 1J4FA49574 Sent vehicle to the dealer for their evaluation, they said the engine is within the factory vacuum spec's. Gave vehicle back to customer after the vehicle had been driven many miles with no problems.	15
	2000 Kia Sportage 2.0L Unknown VIN: KNDJB7234Y thanks to those who helped. Jim was close. ohm and load tested ect,tps and rpm ckts from ecm to tcm, .4 ohm and 5 amp load. another ecm fixed it. shifts great. thanks again	6
	2004 Land Rover Discovery SE 4.6L abs VIN: SALTY19434 Sorry for not closing sooner. The customer has decided to not go any further at this time. I will update if he decides to fix it. thanks for all of your time.	4
	1994 Mercedes-Benz C280 2.8L Surge, Stall, MIL Lamp on VIN: WDBHA28E7R I FOUND THE THROTTLE AUCTATOR MODULE PIGTAIL HARNESS TO BE SHORTED OUT BECAUSE ALL OF THE INSOLATION HAD COME OFF ALL OF THE WIRES. FOUD THIS BY CUTTING A SMALL SLICE IN THE HARNESS. I REWIRED THE THE TROTTLE MODULE HARNESS. IT TOOK ABOUT 2 HRS. THANKS. AGAI... Trouble codes: 022 (EFP emergency mode).	9
	2000 Toyota Avalon XL 3.0L 2nd gear VIN: 4T1BF28B3Y Thanks to Mike, John and Anthony for responding. Well, this vehicle is fixed. We determined that the problem was an internal component failure and gave the customer the option of a used trans, backed up with a warranty, and that was the path he decided on. Dra...	3

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