Automotive Technicians Technical Discussion and Fixes for Feb 12, 2014

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(Also Available: All, Asian, Chrysler, European, Ford, GM.)
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Open Help Requests for All Makes and Models

	Help Request	Answers
	2005 Acura TL 3.2L MIL Lamp on VIN: 19UUA65655 Hi everyone, This vehicle driving me insane. Car came in 2 weeks ago with P0171 and P0174, at the time didn't have much time to check it, so just cleared the codes and asked customer to bring it back if MIL returned, well its here. Its a MAP system, no MAF.... Trouble codes: P0171 (Lean Bank 1), P0174 (Lean Bank 2)	View
	2005 Audi A6 Quattro 3.2L Poor Idle Quality, Stall, Misfire VIN: WAUDG74F75 i have code p2543 on audi a6 3.2 i have checked the wiring andchecked fuel pressure and it was 55 psi with gauge and vcds says 5 to bar at measuring blocks 103 and 10 and the fuel pump is running at 70% measuring block 103 and 106 the pressure is 5to 6 bar and... Trouble codes: 18975 (low pressure fuel sensorg410)	View
	2012 Audi A7 Quattro 3.0L Electronic VIN: WAUYGAFC7C Hello Audi Techs, We have this 2012 A7 and attempting to do the rear brakes. We are having trouble getting the calipers to release. We released the emergency brake by using Ross Tech software and also our Auto land tester. What we found is the system releases...	View
	1998 BMW 740iL 4.4L compressor VIN: WBAGJ8328W I am using an Autologic scanner, IHK has only an AUC code, KO (PWM) signal from IHK to DME is staying below 30 percent (29.88) this will reduce to less that 15 peercent when I turn IHK off. Service literature indicates that 45 percent or greater is necesarry f...	View
	2005 Cadillac CTS 3.6L Fluid VIN: 1G6DP56755 Hello. I have a question for all of you transmission experts. We have an '05 Cadillac CTS in in our shop that has broken it's transmission cooler,and has caused the coolant and trans fluids to mix. Right now the trans fluid looks similar to milk. Customer sta...	View
	2007 Chevrolet Silverado 1500 WT 5.3L Lake of power VIN: 3GCEK13337 Hi to all this chevy was parked for long time with customer at home without hood and engine,we have installed the new engine (used but for this baby is new) everything went fine starts good with no problem,when we road test lost the power, hooked up the scanne... Trouble codes: P3401 (CYLEDER 1 deactivate valve cicuit), P3425 (clynder 4 deactivation valve circuit), P3441 (clynder 6 deactivation solenoid circuit), P3449 (clynder 7 deactivation solenoid circuit)	View
	2002 Chrysler Sebring GTC 2.7L Poor Idle Quality, Hesitation, Cuts out, Stall, MIL Lamp on VIN: 1C3EL75R22 Vehicle came in with a stall issue, idles rough. Scanned PCM code p1391 stored in system. Cleared code. Code re-appears almost immediatly. Scoped CMP and CKP. CKP pattern does not match any of the known good patterns on IATN. On the crank signal pattern, one o... Trouble codes: P1391	View
	2004 Chrysler Concorde LXi 3.5L Programming VIN: 2C3HD36M34 Having trouble with programming replacement "blank" PCM (reman from Chrysler). Our first time to do Chryslers, have done lots of Fords w/ no issues. Using Bosch (Cardaq Plus) J2534 device. Am on Tech Authority Website attempting to download the flash/programmi...	View
	2005 Chrysler 300 2.7L No Start VIN: 2C3JA43R55 hey guys I got one kicking my ass,i got a 05 Chrysler 300 that are used car dept gave to me to do a state inspection,i did the inspection and it needed brake pads,i fixed the brakes and also had the engine light on and had history codes for all 6 injectors,and...	View
	2010 Chrysler Sebring Touring 2.7L Blend Door VIN: 1C3CC4FD6A Vehicle has a complaint of no heat on one side. With temperature blend switch in the hottest setting the drivers side blows good heat but the passenger side blows luke warm to cold. I have checked blend door actuator and it is functioning properly and have ope...	View
	2002 Dodge Intrepid SE 2.7L Engine VIN: 2B3HD46R42 Thanks to you iatn guys. I bought a 2002 intrepid from customer. Needed radiator. Replaced radiator and water outlet. Car ran and drove great. Prepared car for resale. Sent to detail shop. Picked up car in the freezing cold. Car still ran great. Parked inside ...	View
	2003 Dodge Grand Caravan SE 3.3L Shifting VIN: 1D4GP24343 Hey guys - have an odd one here. Installed solenoid assembly due to leak only. - no shift afterwards - check engine light on right away - p0750. No codes prior. Remove and installed a different one - no cel now- but one shift 1-2 and harsh then second gear onl...	View
	2003 Ford Crown Victoria LX 4.6L auto temp control VIN: 2FAFP74W23 Customer's Crown Vic came to us for no or poor heat unless the auto temp control was placed in the 90 degree or full heat position. Any setting of 85 and below resulted in cold air from whatever chosen outlet. When ever we ran a self test the unit would work c...	View
	2006 Ford Focus ZX4 2.0L No Start VIN: 1FAFP34N26 last couple of weeks the car will start hard,cusomer has an extended crank time before starting,scared of running battery dead and not getting started,at the shop the car starts normally!i have been concentrating on the fuel system,amp clamp at inertia switch ... Trouble codes: P0191, P1235	View
	2007 Ford Fusion SE 3.0L heater VIN: 3FAHP07137 Customer complaint of no heat at an idle was confirmed, if you drive it down the road it raises the temp output 50-60 degrees. As soon as you slow for a light or stop sign heat goes away. Upon inspection, the system is clean and full and we read of many "air p...	View
	2002 Honda Civic EX 1.7L immobilizer VIN: 2HGES25772 Need Help Please from all the Honda Guru's .Car came in on the hook, customer said car has been parked for half an hour tried to re start but it only cranks/no start. Had no previous work or symptoms prier to current repair. First thing I did notice the green ...	View
	2004 Isuzu Rodeo S 3.5L Poor Idle Quality, Hesitation, MIL Lamp on VIN: 4S2CK58Y44 The fuel trims (adding both LT and ST to get actual) on this thing are 7 on one bank and -7 on the other. I thought that plastic clogging one bank of injectors was causing this since I saw a few examples of this, and have removed and checked it, even blew it o... Trouble codes: P0420, P0430	View
	2004 Jaguar S-Type 3.0L Noise VIN: SAJEA01TX4 Thanks in advance for the help. We have this S-Type that has a whistle noise coming from the engine that is very intermittent. It only happens shortly after engine is run for about 5 minutes and cruising at around 50-55 mph. It DOES change with engine RPMS and...	View
	2005 Mercedes-Benz S500 5.0L Battery VIN: WDBNG75J15 This vehicle came in after a few other shops failed . After a couple day cold soak the battery will be to low to start the vehicle . The charging system is perfectly normal . I isolated the alternator in case there was some kind of draw from it but still had 1...	View
	2007 Mini Cooper 1.6L Poor Idle Quality, Hesitation, Stall VIN: WMWMF33577 Limp in when extremely cold.Manufacture codes 28B4 and 2863(p1062)valvetronic operation occur only when very cold- code disappears when warm or stored indoors. Engine has proper 5w-30 Mobil 1 and a Mahle oil filter. Diagnostics are almost nonexistent and could... Trouble codes: 28B4, 2863 (valvetronic mechanism power limitation)	View
	1981 Nissan 810 DX 2.4L Hesitation, Surge Vehicle idles fine. Drives and accelerates fine while cold. After a warm up period at cruise rpms, vehicle starts surging or loping constantly while throttle plates are opened any amount. Snap throttle creates a backfire through intake. Coolant was all over en...	View
	2005 Nissan Altima SE-R 3.5L oil pressure VIN: 1N4BL11E55 car came in with a leaking op sender and pressure drop after warm up, we replaced sender, the next day customer came back says the op still drops ( guess we didn't drive it enough) and has been doing this for the last couple of months. we tested the pressure w...	View
	2007 Nissan Xterra X 4.0L No Start, Long Crank Time VIN: 5N1AN08W27 Customer replaced his own battery to fix this problem. Only when cold or sits over night, the truck won't start or has a long crank. The customer was a little vague on what it is actually doing. I experienced a long crank after sitting over night. We first di...	View
	2005 Subaru Baja Turbo 2.5L Turbo not working VIN: 4S4BT63C65 Hi iATN Technicians, I am in need of help with this Subaru Baja. The first time it came to the shop it was for a blown head gasket and the customer decided to replace the engine with a used one. After that, the customer brought the car back with a sound comin...	View
	2004 Volkswagen Passat GLS 1.8L fuel tank vent VIN: WVWPD63B94 Our customer complained of strong gasoline odor after filling the fuel tank. We verified complaint and traced to fuel leaking from top of fuel tank on the driver side. We removed the back seat and the inspection panels below and found a hairline crack in the w...	View
	2006 Volkswagen Jetta GLI 2.0L Lighting VIN: 3VWWJ71K46 I need info on the headlight system on this jetta. The hid lights work good but I can not get the inside light (halogon)bulbs to burn. The Hids work on bright and dim so what are the inside lights- driving lights? What feed them.	View

Fixes & Summaries for All Makes and Models

	Fix/Summary	Answers
	2005 Acura TL 3.2L battery VIN: 19UUA662X5 Everybody was right. HDL was problem, tech unplugged something else. Thank you a ton. Sparkys answers is an interesting sight. Sounds like we all need to pool some cash together and send Wayne from Ontario to the Carribean for a while and let him defrost! Agai...	9
	2006 Audi A4 2.0L MIL Lamp on VIN: WAUDF78E16 Thank you all for responding to this request, its like having a big brother in the next bay! Given the responses and the mileage on the car I replaced the imr motor assembly. Test drove and no codes. Also I appreciated the helpful tips for replacement procedur...	7
	1984 BMW 633CSi 3.2L Hesitation VIN: WBAEB840XE The rebuilt air flow meter fixed 90% of the problem. The issue with cutting out under full throttle was a switch under the accelerator pedal. The customer didn't want to dig further, so we adjusted it far enough away from the pedal to keep it from being depres...	16
	2004 Buick Rendezvous Ultra 3.6L Complete system VIN: 3G5DB03764 Sorry about this one you guys and thanks for all the responses. The customer never showed up for his scheduled appointment to get it repaired. Nice of him to call and tell me. Thanks again for all the great replies.	23
	2004 Chevrolet Trailblazer EXT LS 5.3L Electronic VIN: 1GNET16P04 well Here's the verdic, I went by the majority of you guys & replace the ignition switch& i gave the customer his truck back, So Far So Good & I hope that's a Fix	8
	1982 Chrysler LeBaron Medallion 2.6L Poor Idle Quality VIN: 1C3BC55DXC After exhausting all local sources for parts and getting the wrong kit from an online source we took the advice of several of you and trimmed back the choke plate. We hate doing things like that but it actually worked amazingly well. About a quarter inch of th...	27
	2001 Dodge Dakota SLT 3.9L housing attaching points VIN: 1B7GG2AX21 This one is fixed. Found a 2nd design bracket from a dealer in upstate PA thanks to our local dealer for that. Final design was obsolete. Two responses mention that I wasn't getting the whole story and they where right about that. Told the customer NOT to u...	6
	2002 Dodge Neon ES 2.0L power door locks, horn VIN: 1B3ES56C82 It was REALLY important that I get this fixed correctly. My testing did point to the RKE module and Paul from Indiana did get that right and for that I thank you and all the guys that chimed in.	4
	2006 Dodge Ram 3500 SLT 5.9L Wiper System VIN: 3D7MX48C36 After using the scan tool to watch wiper pids I was unable to confirm the low speed wiper signal was being sent to TIPM. After a few minutes of trial and error I was able to confirm that while commanding the wipers low speed on via bidirectional communication ...	4
	2007 Dodge Sprinter 2500 3.0L No Start VIN: WD0PE84527 Thank for all responses!!! Overwhelmingly everyone was in agreement about the glow plugs and glow plug module. Well guess what?? You were WRONG!!! HAHA got ya. Module and Glow Plugs replaced starts like dream. Thank you very much every one!!! Trouble codes: 2270 (Glow plug control), 2137 (Glow plug 5), 2138 (Glow plugs 6), 2626 (Diesle particulate filter), 2843 (Ambiant temp sensor).	10
	2004 Ford Ranger Edge 4.0L ABS Activation VIN: 1FTZR45E14 Changed The Front Bearings calipers and hoses all good thanks for input.	10
	2007 Ford Edge SE 3.5L MIL Lamp on VIN: 2FMDK46C17 AS MANY OF YOU SAID THE AIR BOX WAS WIDE OPEN ON ONE SIDE SOMEONE HAD INSTALLED A AIR FILTER AND DID NOTCLOSE IT RIGHT THAK YOU Trouble codes: P061B.	4
	2004 GMC Envoy XL SLT 4.2L starts in 3rd VIN: 1GKET16S64 got this fixed. i checked the ignition 0 fuse and it was good then went back and checked for about the 8th time and would show bad wiggled it then it good the connections inside the fuse box were so loose that when it was jared around it wouldnt get a connecti...	6
	2001 Isuzu NPR 4.8L MIL Lamp on VIN: J8DC4B1471 Thanks, everyone for your help. Before I posted, we did go thru all the adjustments for tps & others related to the accelerator pedal. I believe Matthew is probably right that the connector for the tps is taped in the harness somewhere about a foot away from t... Trouble codes: 21 (TPS circuit fault).	3
	2002 Isuzu Axiom 3.5L Unknown VIN: 4S2DF58X92 While awaiting vehicle to return for follow up testing as suggested by Michael in Washington & Cody from Missouri, some parts research was done & found some Motorcraft sensors interchanged with the Isuzu sensors. We wanted to have them on hand so when we had v...	5
	2002 Land Rover Discovery Series II SD 4.0L Excessive Emissions, Misfire, MIL Lamp on thank you for your information, it did really help my understanding to the system, what I DID WAS TO CHECK THE SIGNAL FROM COMPUTER TO COILS, AND FOUND THAT ONE COIL WAS NOT RECEIVING INFORMATION, CUSTOMER WAS NOTIFIED PRCEED HIMSEL TO REPLACE IT AND PROBLEM S... Trouble codes: P1591, P1000, P1000, P1000, P1000, P1000.	6
	2008 Land Rover LR2 SE 3.2L MIL Lamp on VIN: SALFS24N48 Did a harness shake and was able to get signal back from MAP. Tightened loose connectors at ECM and all is well. I guess problem existed before I did original repair on pulley drive,but I didn't check faults before starting work. High resistance values c... Trouble codes: P1080.	10
	1998 Mercedes-Benz ML320 3.2L door locks VIN: 4JGAB54E3W i changed the driver side door lock also.the car can be lock manually now.At least i can feel safe this way and considared a fix thanks to all the people how help.Kamal	6
	2003 Mercedes-Benz ML350 3.7L No Start VIN: 4JGAB57E13 have only deterimed that problem occurs when inside of car is below 21 deg f. i tried new oe sensors for cam and crank, and new ignition switch, no change.crank signal pattern looks same at no start as does when starts' also compared pattern to another ML and ... Trouble codes: P0335.	9
	2005 Mercedes-Benz C230 Kompressor 1.8L long crank VIN: WDBRF40J85 What a pain!!! The problem was the left side level. It has plastic hoses that go from the left side level sender to the right side pump and the hose had a leak at the crimped fitting. Causing fuel to leak inside the gas tank!!!	4
	2010 Mercedes-Benz C300 4Matic Luxury 3.0L hard to start VIN: WDDGF8BB3A Thanks for everybody's help. I did some research and found the these exact codes were repaired by replacing the purge valve. I went in to xentry and did the guided purge valve test and it passed. I went ahead and replaced it anyway and cleared the codes. I dr... Trouble codes: 0749 (bank 2 too lean), 0745 (bank 1 too lean), 2095 (bank 2 too lean at idle), 2091 (bank 1 too lean at idle), 0954 (car canister shutoff valve sticks closed).	5
	2011 Mercedes-Benz Sprinter 3500 3.0L MIL Lamp on VIN: WDAPF4CC2B This def system on this sprinter is all scanner testing to diagnose. mitchell was no help on sprinter and tech support kept telling me I needed to use a dealer tool to get anywhere on this truck. They say when sprinter was getting tossed between dodge and me... Trouble codes: 15B70, 16CF0.	9
	1998 Mercury Mystique LS 2.5L pats VIN: 3MEFM66L4W It seems when the computer fails on this model the ngs is un able to see the key reset. when I installed new computer I did not have to reprogram the keys. [I had done this procure before]Sadly car only run for 10 15 secs and timing chain tensioner cut loose ...	3
	2001 Oldsmobile Aurora 4.0L MIL Lamp on VIN: 1G3GS64C61 Thanks to all that responded. You helped me look at what the pcm was actually looking for. The air injection system uses bank one sensor one responce and bank two sensor two response not bank two sensor one as I thought I had read. Replacing downstream o2 was... Trouble codes: P1416.	5
	2008 Subaru Outback 2.5i L.L. Bean Edition 2.5L MIL Lamp on VIN: 4S4BP86C28 Hi, I want to thank the three gentlemen that offered help. I am afraid I have no additional info to share. We load tested the harness when it was here and found no shorts or opens. I have been in touch with the customer and she says the mil light has not been ... Trouble codes: P0817 (Park neutral signal intermittent).	3
	1999 Toyota Camry LE 2.2L Hesitation VIN: JT2BG22K3X This one ended up being a clogged exhaust. When I put the backflow guage on it was very high. Customer didn't have the money at the time to fix it. So until he does I dissconnected the egr valve.	10
	2001 Volkswagen Cabrio GLX 2.0L MIL Lamp on VIN: 3VWDC21V61 This Cabrio is fixed. Felipe got it right and supplied good information to help me fix this one. The MAF sensor signal ground (internal to ECM) was open. With the help of the specific signal wire function I was able to run a redundant ground and read a wave... Trouble codes: 16487 (mass or volume air flow circuit high input).	8
	2004 Volkswagen Passat GLS 1.8L Coolant VIN: WVWPD63B34 Thanks for taking the time to reply. We have decided that the previous repair shop did NOT replace the water pump as I was told. (Wondering if they did anything they said) Anyway, from your posts, there is no water flow coming into the fill bottle from the ...	12

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