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International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for February 12, 2015
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2000 Audi A6 Quattro 2.7L MIL Lamp on VIN: WAUED24B4Y
The shop acquired this car for storage and we paid off the finance co. Someone in the past had moved vacumn lines and unpluged several of the sensors. I took a picture of the vacumn scymatic on the hood and enlarged it, and we think the vacumn is right. It kee... Trouble codes: 1423 (secondary air injection insuficent flow bank 1), 1411 (secondary air injection insuficent flow bank 2)
2006 Audi A4 2.0L compression VIN: WAUDF78E46
Hi, we got this Audi testing us while we test it. Tow in with codes related to fuel pressure. Pull valve cover and sure enough intake lobes that run fuel pump were gone. ( common problem ) We replace intake cam and fuel pump. we set up cams using audi tool so ...
2007 BMW 328i 3.0L emissions VIN: WBAVC53587
Hi Fellow techies, This one baffled the last shop. Thought I'd post their results before digging in. Just wanted to run all this by some of you with more experience than I to help point me in the right direction. Pretty much most of the things I'd do were done...
2008 BMW 128i 3.0L Mechanical VIN: WBAUN13588
This is for the BMS Technicians out there. Car came in for a routine Valve Cover Gasket replacement. Mitchell calls to remove the VVT servo motor. When removed, the gear jumped inside. I need to know how to reset the motor to avoid damage. Thanks in advance ...
2007 Cadillac Escalade 6.2L Poor Idle Quality, MIL Lamp on VIN: 1GYFK63807
We stared working on this vehicle 7 months ago for a hot stalling and no start that was cured by replacing cam phasers. It has come in many times since for the p0420 and no other codes. Any help would be appreciated. Thanks Tom Trouble codes: P0420
2003 Chevrolet Venture LT 3.4L No Start VIN: 1GNDX13E53
We have replace cam sensor,crank sensor and wiring pigtail to crank sensor,It was staring once in a while but now will not start no communication from crank or cam sensor.Have replace crank snsor 2 times.loosing 24x signal Trouble codes: P0336
2004 Chevrolet Tahoe LS 5.3L MIL Lamp on VIN: 1GNEK13Z54
has anyone ran across this before where there is something else causing this code? all seems to test out ok but vehicle returns in about a month with code. could low fuel cause this with fuel tank pressure switch? any help would be thankful. thanks in advance Trouble codes: P0496
2005 Chevrolet Silverado 1500 5.3L blue plug VIN: 1GCEK19B15
Been battling this one awhile. Truck came in with various issues. Fans staying on and running down the battery, various codes, injectors dumping way too much fuel in the cylinder. Pulled the plugs on the ecm and water ran out of the blue one. The pins on the e...
2008 Chevrolet Silverado 1500 WT 5.3L Steering column VIN: 2GCEK13M98
This is my personal truck and I have experienced a rubbing/ squealing noise that comes from the steering column most commonly while turning at slow speeds in a parking lot. It sounds like rubber rubbing on metal. The noise may very well be transferring from an...
2009 Chevrolet HHR LS Panel 2.2L Bcm/vcim VIN: 3GCCA85B99
First off didn't print my whole vin [...] Vehicle came to me with drivers airbag deployed and door locks operating by themselves and side doors opening by themselves (panel truck with no exterior handles uses electronic door pop solenoids). Tons of...
2010 Chevrolet Suburban 1500 LT 5.3L abs VIN: 1GNUKJE30A
salvage vehicle. customer says they replaced the frame and rear axle assy but no wire harnesses no readings on both rear wheel speed sensors, installed new ones and one started working, but then quit, replaced EBCM and then right rear worked on lift the quit ...
2012 Chevrolet Cruze LT 1.4L Poor Idle Quality, Hesitation, Stall, MIL Lamp on VIN: 1G1PF5SC8C
Have a 2012 Chevrolet Cruze LT 1.4L Turbo with a runs lean condition, hot, cold at idle or under a load. Have checked fuel pressure and volume and is within specification. Have checked for any unmetered air entering engine and have found nothing. No vacuum lea... Trouble codes: P0171 (Fuel trim system lean), P2097 (Post catalyst fuel trim system high limit)
1997 Chrysler Sebring JX 2.5L Stall VIN: 3C3EL45H4V
random dies at idle.will go a couple days with no problem. no misfires ,no codes, watched cam, crank injector,and ignition . no drop outs fuel press good, replaced crank sensor. everything looks good then dies without warning .like someone shut off the key
2010 Chrysler Town & Country Touring 3.8L Blower Motor VIN: 2A4RR5D1XA
Customer states that while driving vehicle the heater blower will stop working. Sometimes it will come back on by itself but most times he has to shut the key off and wait a few minutes for it to come back on. I have had the vehicle at the shop numerous times ...
2001 Dodge Ram 2500 5.9L lock-up VIN: 3B7KF236X1
This truck will jumps in and out of lock up at any speed and sometimes it drops down into 3rd gear. I can see it being commanded to do so on the scanner. Also I keep loosing communication with the engine computer. The power train computer works fine. When I un...
2004 Dodge Ram 1500 ST 5.7L front drive shaft VIN: 1D7HU18DX4
Not sure what's going on here or the next test.How can I test transfer case?
2006 Dodge Ram 3500 SLT 5.9L Prndl Didplay VIN: 3D7MX48C26
All shift indecaters lite up except p, rnd21 all lite up when put in that gear, if work it back and fourth p will lite up and sometimes work for awhile, prnd21 in trans data will read fine but when in intrument cluster data it will not read p when in park, dat...
1998 Ford F800 5.9L Fuel Shut Off Solenoid VIN: 1FDNF80C9W
Truck came into shop with intermittant engine will not shut off. Found 2 bolts on top of fuel shut off solinoid bracket were missing. Bolts broke off inside injection pump.simple i thought drill out and extract broken bolts. One can not get a straight shot wit...
1999 Ford F-350 Super Duty Lariat 7.3L Cuts out VIN: 1FTWW32F1X
This truck got towed in as a no start. Died on the road and they towed back to another shop and the cam sensor was replaced. (nothing else that we know of?) We got it and it would start but run horrible. Ran injector buzz test- pass. Ran cylinder contribution ...
2003 Ford F-250 Super Duty XLT 6.0L No Start VIN: 1FTNW20P03
First off, thanks in advance to the diesel techs for their help. This is not my strong suit and I'm learning (always!) as I go after 35 years of this. This truck was towed in. At first it would start after a long crank & only idle (no acceleration at all). I ... Trouble codes: P2290 (Injection control pressure too low), P0674 (4 glow plug circuit)
2005 Ford Focus ZX4 2.0L no solenoid noise VIN: 1FAFP34N05
This car is already fixed. I was wondering why, when I tested the starter solenoid on the car, there was no click. However after removing starter, and testing the starter solenoid, it produced a heavy click and movement! I have had other starter solenoids, a...
2006 Ford F-350 Super Duty XLT 6.0L Starting VIN: 1FTWW31P76
The engine in this truck was removed to further investigate the the limited rev range. It was thought that there may be some damage to the reluctor wheel on the crank. This proved not to be the case. Engine reinstalled but now have a no start situation. The en...
2007 Ford F-150 XLT 4.2L Misfire VIN: 1FTRF12227
This truck came into the shop as a no start and kept blowing fuse number 33. We replaced the ecm and coil pack and the fuse does not pop. I have power and good voltage to the coil and injectors. There is no pulse to injectors 1 and 5 and no pulse to the coil o... Trouble codes: P0351
2011 Ford Fiesta SES 1.6L No Start VIN: 3FADP4FJ2B
This vehicle came in with the ignition coming on when the button is depressed but no crank no start. I can read all modules and there are no significant codes being set. The instrument cluster shows the lock symbol but there are no other immobilizer statements...
1997 Honda Accord LX 2.2L brake light in cluster VIN: 1HGCD5533V
The brake light warning indicator stays on the dash all the time only goes off when clutch pedal is pushed in once let go light comes back on. this is a 5 speed manual trans the cruise control works the emergency brake switch works the brake fluid is topped of...
2007 Honda CR-V EX 2.4L 2-3 shifts hard VIN: JHLRE38787
Have cold running hard shift issue between 2-3 up shift only and only during heavy acceleration when vehicle is cold... any ideas what may cause this ...No codes are being set in Trans module or VSC ... Thanks for your time...
2006 Hyundai Santa Fe GLS 2.7L Power Steering VIN: KM8SC13D66
Vehicle came in with no power steering at all, Upon inspection found pressure switch broken, power steering pump leaking and screen in reservoir plugged . We replaced the pump twice , reservoir and pressure switch. Now we have no power assist at idle and pum...
2007 Hyundai Sonata SE 3.3L No Start, MIL Lamp on VIN: 5NPEU46F47
hi to all I have this 07 sonata crank no start plenty of spark and fuel keeps setting p0105 every know in then it will start and die right out dint think map circuit would keep it from starting hoping someone has ran into this before thanks in advance jeff Trouble codes: P0105
2005 Jeep Liberty Limited 3.7L noise in motor VIN: 1J4GL58K95
i got one make noise in the motor when the are run it coming out of the front of the motor like the timing chain is make noise with it
2005 Jeep Liberty Sport 2.8L Excessive Emissions, Black smoke VIN: 1J8GL48575
This truck came to me because he got a letter in the mail saying that his truck was reported as smoking. When driving or even reving it up you can see a black smoke coming from the tail pipe. I have read about checking the hoses from the inter cooler to the th...
2005 Jeep Liberty Limited 3.7L moter VIN: 1J4GL58K95
Jeep liferty with 3.7L that has a tapping noise in front of motor. Remove both vale covers and no rocker was off. Noise sean to be in the middle of motor. Remove timing cover and all parts to get to timing gears and tensioner, guides. All parts on timing set i...
2007 Jeep Grand Cherokee SRT8 6.1L park lamps and over head lamps VIN: 1J8HR78337
Vehicle has had headlamps modified with high intensity ballasts but the tech has removed that scenario. Note the park lamp flicker acts more like turng signal pulsing Another note when door is open overhead lamps do the same thing. Also at the time light...
2003 Kia Spectra 1.8L airbag VIN: KNAFB12173
The car wouldn't go through state inspection because the airbag light wouldn't come on. The inspection station found that the bulb was "blown". They installed a good bulb so now the light stays on. We checked faults with 2 different scanners (snap-on, Autel). ...
2002 Lexus LX470 4.7L ride height VIN: JTJHT00WX2
owner states front suspension drops intermitantly while driving. i have driven but could not duplicate problem. has codes 11, 18 & 76. seems to point to the rf higth control sensor. i've had no experience with this system so i'm asking for help if any one has ...
1995 Mercedes-Benz E320 3.2L Cuts out VIN: WDBEA32E2S
Greeting Mercedes experts. This E320 has a rev limiter that comes on at 3000 while driving (same as when sitting still). I pulled code 20 from the blinking light which, from my best understanding, is for a VSS. It all makes sense so far, right? I can's seem to... Trouble codes: 20 (VSS - Vehicle Speed Sensor)
2010 Mercedes-Benz GL350 Bluetec 4Matic 3.0L 10cb00 VIN: 4JGBF2FEXA
Hi guys, I have this 2010 GL350 CDI bluetec has 86,300 miles on. DTC 10CB00 or P2006 component B96/1 (left intake port shutoff sensor) has an internal fault. I think sensor is integrated into servo motor M55. Blow by engine oil leaking onto servo motor and sat...
2009 Nissan Titan LE 5.6L 2nd gear VIN: 1N6BA07F09
trans guys, This titan has 35,000 miles on it. Once in a while it shifts hard and check engine light comes on with code P0732. I am not a trans expert. testing with [...] dosen't show anything. Problem isn't always there. trouble chart ends with replacing v...
2005 Saab 9-5 Arc 2.3L Mechanical VIN: YS3ED49A75
Saab tech, please help on this bad boy here. Car came in with a strong vibration especially when shifter in drive or reverse. We replace few broken mounts, worn belt & tensioner. Vibration decrease 20%, but we still think not in acceptable range. No dtc in any...
2002 Toyota Highlander 2.4L engine block VIN: JTEGD21A82
Doing a head gasket on this vehicle and went to tighten the head bolts and 4 of the holes are stripped out. Wondering if anyone has had success tapping and rethreading these blocks? I'm in Minnesota and I'm wondering if there is anyone who travels repairing ...
2002 Toyota Avalon XL 3.0L MIL Lamp on VIN: 4T1BF28B62
Thanks in advance to any to anybody who takes the time out of their day to help out with my giant headache.I have a 2002 toyota avalon that is giving me a real hard time. The long term fuel trims at idle and cruise are high. 30% at idle and can reach 35% at cr... Trouble codes: P0174, P0171
2006 Volkswagen Passat 2.0T 2.0L Misfire, MIL Lamp on VIN: WVWAK73C66
Help VW techs! We have this 2.0t Passat in for intermittent rough run- po304 set in ecu. We had done a service about a week ago that included new plugs. We performed basic checks- compression good- good signal to coil and injector- we found a dead coil. We rec... Trouble codes: P0304
1998 Volvo V70 2.4L missfire VIN: YV1LW5576W
we keep getting po302 and it comes back to pending fairly quickly. we put volvo plugs cap rotor cam and crank sensor noid light on #2 injector spark light on #2 plug replace the wire and the injector. rechecked the timing belt twice.still p0302. engine seems t...

Fixes & Summaries for All Makes and Models
Fix/Summary Answers
2003 Acura TL 3.2L Misfire, MIL Lamp on VIN: 19UUA56623
well, I didn't fix. customer needed vehicle and said would bring back at later date. rechecked everything you guy's said and didn't find anything. I believe it's a valve guide issue. There is NO MAF on this car. replaced all coils and still the same. When cust... Trouble codes: P1399, P0301, P0302, P0304, P0305, P0306.
2004 Acura EL 1.7L Ecm/Pcm VIN: 2HHES36844
I would say this one is fixed. Thank you everyone who spend valuable time to reply. As I updated, I tried to drive and restart twice, but I could do it only once as cust. need car to go Toronto(1hr away). When I tried once, it was ok, so I let him go and...
1999 BMW 528i 2.8L transmission VIN: WBADM6347X
The car has the 4L30E transmission with the two pans. Our scan tool does clear and read codes. We did a few of the suggested wiring checks and all were OK. So we are calling it damages by flat towing the car with the engine not running. Customer does not h...
2006 BMW 325Ci 2.5L Steering VIN: WBABW33456
Thanks for the help guys! It turned out to be the steering rack- probable spool valve. One more in the books! Thanks again, Greg and crew
2006 BMW 325i 3.0L cabin heat VIN: WBAVB13596
Thanks for the help guys- this was a weird one. The OEM water pump would not build enough volume of coolant flow to purge the air from the system- it barely streamed out of the return hole in the expansion tank. New oem pump- good flow- good heat! Greg and cre...
2008 Buick LaCrosse CXL 3.8L battery VIN: 2G4WD58258
Thanks for all the input on my concern. All good responses, first thing I always do is check for add-on crap. After disconnecting all modules, draw was still there. Decided to review vehicle option build sheet, noticed was equipped with universal home link for...
2007 Chevrolet Trailblazer LT 4.2L Instrument Cluster VIN: 1GNDT13S67
Thanks for all the help we replaced the bcm and went through a lot of plugs and check wires it did not act up for a week. Then it started to do it the same as before at this time they are going to drive it till it gets worse.
2007 Chrysler Pacifica Limited 4.0L Transfer case VIN: 2A8GF78XX7
Some different theories were mentioned like rear differential issues ( but no ways to check/test it )Marking the tires and driving it 100 ft and seeing if any marks end up in different spots ( which checked out good )Did not seem like 4wd was engaged on road t...
2000 Dodge Durango 4.7L MIL Lamp on VIN: 1B4HS28NXY
Unfortunately, the vehicle has not yet returned. We will update with results of additional testing when vehicle does return. Trouble codes: P0135 (B1s1 o2 sensor heater failure), P0155 (B2s1 o2 sensor heater failure).
2008 Dodge Grand Caravan SXT 3.8L Dead Battery VIN: 2D8HN44P18
First of all, a LARGE thank you to all who replied. Just to update you all, I had a large unexplainable continuous draw with key off ( and out )on this 08 Grand Caravan. No codes and data stream normal. I initially unplugged alternator and airbag module as I ...
2003 Ford F650 7.2L allison controller VIN: 3FDWF65233
I started by checking across pins 19 & 20 on red connector of computer for sensor voltage. My results were nothing so, before ordering a new computer I rechecked powers and grounds with a headlight bulb. to my suprise it was not lighting. realizing the negativ...
2003 Ford Windstar Limited 3.8L line pressure VIN: 2FMDA58423
Received some good tips as far as testing the trans. It ended up being an internal failure. Replaced with a rebuilt unit.
2005 Ford Excursion Eddie Bauer 6.0L Fuel pump VIN: 1FMSU45P25
Unfortunately, the VERY intermittent issue never occurred while at our shop. Customer chose to pick up the vehicle and continue using it as is with no repairs or further testing at this time. The vehicle has not had the issue recur as of yet in talking with ...
2006 Ford Escape XLS 2.3L PTU / Differential VIN: 1FMYU92Z26
I forgot to mention in the original post that we had drained the transfer case fluid into a clear bottle and found the fluid to be in good condition and no metal in the fluid. We believe that the noise is coming from the differential and transfering out the in...
2011 Ford F-150 Platinum 3.5L radio VIN: 1FTFW1CT5B
Well Well, It looks like our Right To Repair has a little glitch in it. It turns out that this programming can only be done at the dealer level, I pay my dues to Ford to be able to do this programming. I use the factory OEM tooling bought from Ford to be able...
2015 Ford fusion 2.5L oil life
All of these cars had to be taken to the dealer to be flashed. After flash all oil life resets work as they should. Thanks for all of your replies.
2007 Honda CR-V EX 2.4L door and trunk VIN: JHLRE38797
The customer did not return his vehicle back for door latch. He finally return my call and said he doesn't want to spend more money for this one door right now and may be later when he gets his tax return. I have received 12 replies and I agree with James from...
2005 Hyundai Sonata GLS 2.7L Hesitation, Surge, MIL Lamp on, Long Crank VIN: KMHWF35H05
After going over the CKP sensor ckt with a fine tooth comb and finding no problems I installed a OEM crank sensor and all is ok now. Goes to show you aftermarket isn't always better. Thanks again for all the help Trouble codes: P0335 (Cranksensor Ckt Fault).
1998 Jeep Cherokee Classic 4.0L Dome Lights Etc VIN: 1J4FJ68S7W
Thank you all. Fnally traced short to What is connector 347.located in the right rear quarter. The bottom of the rear qtr was rusted out letting water into connector. The pink and yellow wires were shorting through the corrosion wich could be from mag chlor...
2000 Nissan Xterra SE 3.3L Poor Idle Quality VIN: 5N1ED28Y8Y
we fixed this one.after verifying we had coolant flow @t-body and rechecking temp @ thermo valve I determined it wasn't hot enough.prior to denvers reply, I started checking all coolant lines and hoses to heater core and found kinked hose between 2 water pipes...
2007 Saturn Aura XE 3.5L power steering pump VIN: 1G8ZS57N27
Bled the system AGAIN!!! Seems like there are several way to do this. After applying 20" of vacuum, and then turning the steering wheel lock to lock 40 TIMES the noise is all but gone. I shipped the car last Friday, and did a folow up car Tuesday this week,...
2012 Scion tC 2.5L Starting VIN: JTKJF5C72C
Ok...so this unit has now been at the Toyota dealership for a week...two visits from the Service Rep...possible visit from an engineer from Japan. Here is where we are at. We have put a used ECM, a used Power Source Control Module and tested till both the de...
2007 Subaru Outback 2.5i Basic 2.5L drivers airbag VIN: 4S4BP61C67
I appreciate all the replies. All were unanimous about the rollover connector. Dealer delivered part this morning and after replacing, codes went away. Again thanks to all that replied to my problem.
2009 Subaru Tribeca Limited 3.6L Mechanical VIN: 4S4WX93DX9
thanks you for the reply special thanks to Hugo. while we pulling the engine out notice the engine has been out before due all different bolt or misings bold. timing cover was cracked and welded.vehhicle must been in accident.after the spoke to customer told m...
2010 Toyota RAV4 2.5L Timing Chain VIN: JTMZF4DV4A
2000 Volkswagen Cabrio GLS 2.0L No Start, Poor Idle Quality, Cuts out, Stall VIN: 3VWDC21V6Y
thanks everyone for taking time to help,I replaced the coil again after checking all the grounds physically took them all apart,found no problem,rechecked timing belt perfect,ohmed wiring from components to ecm perfect,rechecked secondary ignition perfect,remo... Trouble codes: P0715.
2008 Volkswagen Jetta Wolfsburg Edition 2.0L turbo, crankcase ventilation system VIN: 3VWRJ71K08
Thank you to all who replied. The crankcase pressure was not excessive and I inspected the entire crankcase ventilation system, no faults. I removed the boost pipe and cleaned any oil that had accumulated throughout the system, test drove vehicle and there w...
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