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International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for May 3, 2017
International Automotive Technicians' Network (iATN) - Members Only
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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
2009 Audi A4 2.0L No Start, Misfire, MIL Lamp on VIN: WAUJF78K59
The car came in with misfire codes and oil pressure codes. I replaced the oil separator and changed oil. Drove the car for a day and returned it to the customer. A few days later the car would not start. Cleared the codes and car starts and runs fine. Customer... Trouble codes: P2188, P050B, P0420 (Catalyst System Efficiency Below Threshold Bank 1)
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2004 BMW M3 3.2L Transmission VIN: WBSBR93464
BMW techs, I need your help. Car came in with customer complaint the smg light would come on and car would go into neutral. Customer would pull over and shut car off and disconnect battery cable and reinstall battery cable and then car would drive again. BMW d...
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2011 BMW 535i xDrive 3.0L engine VIN: WBAFU7C56B
Car is misfiring, Hard code of permanent fault of 101f01 = throttle valve opening angle -intake pipe absolute pressure, comparison pressure too high intake pipe absolute pressure 963.5 mbar throttle valve angle referred to lower limit position 2.7% eccentric c...
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1989 Chevrolet Corvette 5.7L white smoke VIN: 1G1YY2188K
car has been sitting for 2 years. customer wanted to sell car and asked us to replaced the fuel injectors so we installed them and now the car has white smoke coming from the tail pipes, so we did a compression test and all cylinder read 181 all of the spark p...
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2007 Chevrolet Tahoe LTZ 5.3L AFM Lifters VIN: 1GNFK13047
I am working on a 2007 Chevy Tahoe, 4WD, 5.3L engine with RPO code LMG. It came in with codes P0300 and P0521. It had a valve train noise and I was able to isolate it to the passenger side of the engine. I got the valve cover off and discovered a valve rocker ...
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2012 Dodge Grand Caravan SE 3.6L Abs/Esp VIN: 2C4RDGBG8C
Howdy friends, So I have a stumper here. Intermittently the ABS light will illuminate and NOT latch. It blips, interior chime rings and then goes out. During this event there is no trouble code stored, no trouble codes in history and it is very intermittent. ...
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1995 Ferrari F355 GTS 3.5L soft top VIN: ZFFPR48A0S
Does anyone know where I can get a wiring diagram for the soft top on this car. also any insight into this problem would be appreciated. the left and right lower rams move at different speeds resulting in binding. thanks
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2001 Ford Ranger Edge 4.0L Lock up VIN: 1FTZR15E31
vehicle arrived with a PO741 lock up hard code, tested and found lock up inop, and vehicle to have full line pressure. tested circuits, found ok. ohm tested solenoid, no continuity, manually jumped solenoid, doesnt click. Replaced solenoid, lock up engages now...
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2002 Ford Escape XLT 3.0L Misfire VIN: 1FMYU03162
Vehicle came from another shop after they threw everything they could think of at it.miss is mostly going down the road and feels exactly like a cracked plug used to feel under light acceleration.but may take ten minutes or so to happen i switched coil and plu... Trouble codes: P0302 (Cylinder 2 misfire)
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2006 Ford F-350 Super Duty XLT 6.0L No Start VIN: 1FTWX33P76
THANKS TO ALL FOR RESPONDING. This truck came in for having fuel in the coolant and a intermintant misfire that I could only duplicate for a few seconds. We removed all the injectors, pressure tested the cooling system and discovered a crack in the RH cylinder...
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2013 Ford Escape SE 1.6L Surge VIN: 1FMCU9GX3D
Engine surges on medium to hard acceleration, on light acceleration has no problems. All engine data is within parameters during surge except Throttle position valve varies between 30-80% with pedal held steady and engine load varied between 40-100%. Can not f...
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2013 Ford Fusion SE 1.6L MIL Lamp on VIN: 3FA6P0HR4D
Hello to all and thank you for your help. This fusion runs fine except the ck engine light comes on intermittently, no stalling after being fueled. I tested the tank pressure sensor for voltage change by adding pressure to the tank and it responded. This has t... Trouble codes: P144C
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2011 GMC Yukon SLT 5.3L MIL Lamp on VIN: 1GKS2CE07B
this truck keeps setting code p2534 checked pin 19 on #4plug drk blue wire at bcm ok ck countenouty from pcm to bcm wire ok also checked voltage at ign switch all have 12 volts except pin 5 pink and black wire only has 4 volts after startup is this normal?alre... Trouble codes: P2534, P0700
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1995 Jeep Grand Cherokee Laredo 4.0L Excessive Emissions VIN: 1J4GZ58S2S
Hello. Vehicle failed emission test. Came in with a misfire and rattling catalytic converter. Trace the misfire to a spark plug and repaired. Replace the relatively new converter with a CARB compliant converter and retested. HC level is now normal, but the NOx...
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1997 Jeep Cherokee SE 4.0L Over Drive VIN: 1J4EJ28S8V
Ok I just had a customer stop in for a quick scan. I am going to look at the vehicle on Friday but I need some info first... I am looking to get some info for 2 codes that this vehicle is throwing. I can't seem to find any info on P0700(AT control system malf...
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2007 Land Rover Range Rover Sport HSE 4.4L Air bag (SRS) VIN: SALSK25457
Hello Group, Air bag warning lamp is on with code B0002-1B,Driver's frontal stage 2,deployment control,circuit above threshold. Alldata provides no info on airbag diagnosis. Autologic reads resistance in airbags.All airbages read approx.2.3 ohms except for ...
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1992 Mazda Miata 1.6L Shifting VIN: NA6CE15897
recently changed timing belt and water pump, went out for a road test and vehicle wont shift out of 1st, manually shifts into 2nd and 1st with shifter, but when in drive wont shift out of 1st, rechecked timing marks all marks on point, checked all vacuum conne...
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1992 Mercedes-Benz 300SL 3.0L Hesitation, Stall VIN: WDBFA61E4N
Hi need some assistance on the cis system on this Mercedes. I have been trying to get this car to run well for some time. First step was the injector seals were leaking bad car was very lean and had hesitation. replaced all injectors and seals. tried adjusting...
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2005 Subaru Outback R 3.0L alternator VIN: 4S4BL84C25
Hello to all and thank you in advance to all the subaru gurus this Subaru Outback 3 Liter will not charge - yes it sounds simple (the 4 cyl uses a 2 wire alt) however this alternator - regulator is controlled by the ECM - the C wire so we have the bat light on...
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2006 Suzuki Grand Vitara Luxury 2.7L air temp VIN: JS3TD947X6
vehicle came in with intermittent cold and warm a/c. pressures were low, so we added 14 oz of R134a, air got to 48 degrees at idle and stays that way until engine goes off idle, to about 1200-1300 rpm, then goes back to warm, hot, then cool, all coming from da...
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2000 Volkswagen Jetta GLS 1.8L chain tensioner VIN: 3VWSD29M2Y
Need Help Please. customer brought this car by for a timing belt. we timed the engine and then raised the cover to see the valve train and found the tensioner eaten up badly. so then we replaced the tensioner, cleaned up all the plastic. pulled the pan and cle...
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1998 Volvo S70 GLT 2.4L MIL Lamp on VIN: YV1LS5679W
So, we finish up the repairs and send this customer off with his smoothly running car, and then he comes back with the CEL light on, and it displays P1405 "heated catalyst power switch over temperature condition bank 2". Has anyone else here had any experienc... Trouble codes: P1405 (heated catalyst power switch over temperature condition bank 2)
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Fixes & Summaries for All Makes and Models
Fix/Summary Answers
2010 Audi A4 Quattro 2.0L MIL Lamp on VIN: WAUBFAFL3A
Sincere thanks to those who helped. The fault WAS insufficient vacuum. The vac. supply line also feeds a heater control valve solenoid, which had a tiny crack in it's inlet port. Also as suggested, low voltage was the likely reason adaption was aborted. T... Trouble codes: P2015 (Intake manifold runner control).
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2010 Cadillac SRX Luxury 3.0L Rear diff clutch VIN: 3GYFNDEY6A
So, at the end of this they have decided not to fix it. We had concluded that it would need clutches but apparently you cant get just the clutches. Thanks for the help anyway!
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1999 Ford Ranger XL 3.0L oil pressure VIN: 1FTZR15V8X
Sorry for the delay... I had a long discussion with the customer and printed out the replies i got from you guys. I gave him a few options, none of them a guarantee other than putting in a low mileage motor from a junk yard (if one could be found) or puttin...
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2000 Ford F-350 Super Duty Lariat 6.8L Error code 11-oxo 1224086 VIN: 1FTWW33S0Y
While I consider this vehicle fixed, I never found the reason for the message. I did try another Gem with the same results, however as was pointed out in one of the replies, I'm not sure it requires any more than setting the parameters and that the message was...
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2007 Honda Pilot EX 3.5L engine VIN: 2HKYF18687
Thanks to all who replied. The vast majority who said it was timing belt tensioner were right on. It was flopping a good bit and beating up the roller arm where it contacts the tensioner piston. As this was my first encounter with this issue I really apprec...
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1989 Jeep Wrangler Laredo 4.2L Excessive Emissions VIN: 2J4FY59T6K
Was able to make minor adjustments on the mixture screws to correct for my emission issue without affecting electronics. C0 is now 0.30% and HC down to 70 PPM.
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2001 Jeep Cherokee Sport 4.0L Misfire, MIL Lamp on VIN: 1J4FT48S51
THANKS FOR ALL THE HELP,I WENT WITH AN OE CAM SENSOR AND AN OE CRANK SENSOR,AS SUGGESTED AND HAVE PUT APROX.150 MILES ON VEHICLE WITH NO MISFIRES .CUSTOMER IS PICKING IT UP TODAY.NO MORE BWD ON ANY CHRYSLERS I WORK ON. Trouble codes: P0301 (Cyl 1 misfire), P0302 (Cyl 2 misfire), P0305 (Cyl 5 misfire).
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1996 Mazda Miata 1.8L Poor Idle Quality VIN: JM1NA3531T
Thanks for the help, the running like crap was spark plugs, put them in it ran perfect, the code p1794 was the clutch switch, plunger broken off, there are 2 clutch switches, it was the one that triggers when clutch pedal is up. the code p1794 had nothing to d... Trouble codes: P1794.
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2008 Mercedes-Benz ML350 4Matic 3.5L engine VIN: 4JGBB86E88
thanks for the replies,It was unanimous,engine will come out by itself very readily.It was my first time doing one of these,so there is always a learning process in that situation. I decided to replace the timing chain and rails and got bit a little bi...
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2003 Nissan Frontier SE 3.3L Misfire VIN: 1N6ED29XX3
Thanks to all who responded to my frontier PITA (pain on the was lol) as of now I'm leaning toward a stuck exhaust valve. I did find timi g belt off 1/2 tooth. Basically the lower tooth next to mark on bank 2. Compression. Is low T 120psi and leakdown ok at5%... Trouble codes: P0300, P0302, P0420, P0430, P0455, P0328.
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2005 Nissan Frontier LE 4.0L converter VIN: 1N6AD07WX5
Coolant contamination was the culprit, as just about all of you suggested. Went from being clean the last time in to obviously contaminated this time around. Not horrendous, but enough that glycol testing was not needed. Knowing the risks with potential trans ...
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2006 Porsche Boxster 2.7L Windows VIN: WP0CA298X6
Thanks for all the advice on this one. It required a trip to the dealer as I do not own a scanner that is capable of doing the "handover" which was required to restore these window functions. I tried every "do it yourself" method mentioned here and others fr...
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