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International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for March 11, 2015
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Open Help Requests for All Makes and Models
Help Request Answers
2008 Audi A4 2.0L Compressor VIN: WAUAF78E48
Customer brought their car in with a check engine light. Found evap codes, very small leak, no big issue. We smoke tested it and such, suspect the pcv but let it go for now. But thats not the issue. After the engine diagnostics, the customer picked up the car ...
2010 BMW X5 xDrive48i 4.8L Parking Brake VIN: 5UXFE8C57A
This BMW will display parking brake malfunction on the information display at least once per day. The parking brake seems to operate fine when I test it by pushing and pulling the switch. It sets a code 6023 (the verus indicates this is a "Module power supply ...
1991 Buick Park Avenue 3.8L Stall VIN: 1G4CW53L6M
Thanks in advance for your time. this ol 3.8 runs well but has a intermittent stall. about twice a week. low speeds 20 to 30 mph. no warning at all. I installed a fuel gauge and taped it to the windshield. it will restart after the stall on the first crank. no...
1990 Cadillac DeVille 4.5L Poor Idle Quality, Hesitation, MIL Lamp on VIN: 1G6CD1332L
good day this car has no communication with scan tool and when I use the ac panel to get into data all I get are three dashes on the screen. this all started right after the speedo quit whyel driving.the car runs like a defective map sensor it is running rich ...
2012 Chevrolet Express 3500 6.6L Excessive Emissions VIN: 1GBZGUCL9C
This unit has come in with exhaust fluid quality message. While performing fluid quality test I noted that there is little to no command for reductant injector (using a Tech2). Does anyone know what the duty cycle should be? Google and alldata have not been he... Trouble codes: 2BAD
2004 Dodge Ram 1500 ST 5.7L No Start, Stall VIN: 1D7HU18D24
Not a lot of testing information to give. This truck will start and run for 3-5 seconds then die. It is the same key the customer has used for many years. I don't see a security light on the dash and in my snap on scanner I don't see any PID's for a security s...
2008 Dodge Charger SE 3.5L Unknown VIN: 2B3KA43G88
2004 Ford F-150 FX4 5.4L Hesitation VIN: 1FTPW14524
This truck came in with a misfire on #3 and a lean b1 b2 codes .I replaced some badly worn plugs and cleaned the maf and that solved the misfire and codes. The truck still has a hesitation at lower speeds with steady throttle and it also moans in the intake it...
2005 Ford F650 5.9L Auxilery fuel t VIN: 3FRNF65E35
This truck runs and drives fine. The customer recently purchased it. His complaint is that the truck has use of only the main (right side) fuel tank. It has an auxiliary tank on the left hand side. This tank seems to be empty. (the main right hand tank is full...
2005 Ford F-350 Super Duty King Ranch 5.4L Drive-axles VIN: 1FTWW31565
Vehicle seems that it is stuck in 4x4- I get the 4x4 normal shutter wobble when turning even in 2wd. I put a new transfer case in with no change. Making matters worse, the vehicle front drive shaft broke and took out a bunch of stuff. The broken shaft ripped t...
2003 GMC Sierra 2500 SLE 6.0L Cuts out VIN: 1GTHK29U73
when we accelerate slowly the truck runs fine but when we accelerate at fast rate the truck back fires... we checked map sensor, o2 sensors, mass flow sensor, checked coils, check spark all is good. Took cats of exhaust and problem still occurred. what could b...
2000 Honda Accord EX 3.0L Stall, power loss VIN: 1HGCG2259Y
Vehicle drives and runs fine normally. Intermittently will lose power, almost like a downshift, stays idling about 1000-1500 rpm, but has no pedal response until it slows down to about 30 mph then stalls. This happens very quickly, takes less than a minute. Th...
2004 Honda Accord EX 3.0L Tcs VIN: 1HGCM82624
Replaced timing belt water pump and pads and rotors shortly after doing this i see the /!\ indicator iluminated and a 84-1 sensor logic fault set and i am unable to clear fault. I am using a honda gna600 but can not seem to find diagnotics or a proceedure for ...
2006 Honda Odyssey Touring 3.5L Liftgate VIN: 5FNRL38866
Hello all. Customer complaint battery goes dead after sitting for 12 hours or more. We confirmed electrical draw. Checked fuses & all are ok. Draw is on circuit (7.5 amp fuse) for power lift gate. We have operated this gate several times and, at times with gat...
2006 Jeep Commander Limited 5.7L shift VIN: 1J8HG58206
transmission shop replaced solenoids and brought to us to flash transmission after reflash still same problem transmission shop order new shift control module we are trying to find location of this module alldata shows it to be to right of column under dash pa...
2008 Kia Sedona 3.8L Hvac
Very strange problem...Both the front and rear blower motors do not work...Checked both 40 and 30 amp fuse in underhood box they are ok...check 7.5 fuse in inside fusebox ..ok...Blower motor has 12 volts on both wires going to the motor..removed the resistor a...
1988 Mercedes-Benz 560SL 5.6L brakes/steering? VIN: WDBBA48D0J
I have this SL560 that has a crunch noise coming thru the steering column when braking at very low speed. It will make the same noise stopped in drive(sitting still) if you gently turn the steering wheel back an forth. It will not do it in neutral or reverse. ...
2003 Mercedes-Benz S430 4.3L Cluster VIN: WDBNG70JX3
Mercedes techs I need some help please. Vehicle came in with inst cluster not working, gauges, lights, all innop. I am aware of the TSB but cluster tests fine. Does said vehicle have a cluster module apart from the inst cluster being the module. Please advise ...
1999 Pontiac Montana 3.4L camshaft VIN: 1GMDX03E6X
replaced camshaft & bearings crankshaft oil pump timing chain head gaskets 12,000 miles ago because cam broke now has broke again aftermarket parts what do i look for on why
2002 Saturn SL1 1.9L Poor Idle Quality, Cuts out, Stall, Misfire, MIL Lamp on VIN: 1G8ZH52862
car came in with a dead miss, and showing a code of p0341 and p1599 figured it to be a faulty module. customer asked for a major tune up as all parts were original. completed tune up and cleared codes and vehicle still has very rough idle but sounds decent abo... Trouble codes: P0341, P1599
1999 Subaru Legacy Limited 30th Anniversary 2.5L mode doors in dash VIN: 4S3BG6859X
I've got a 99 Subaru legacy that is stuck in the center vent position when the blower motor is on. no matter what mode is selected, the mode door actuator never moves, and the air flow through the interior hvac vents never changes from the center vent position...
2002 Subaru Outback 2.5L Mechanical VIN: 4S3BH66552
This one was towed in for no-start, pulled the drivers side timing belt cover... the belt was turning the cam, but looks horrible. Pulled the plugs and checked compression - nothing. I'm wondering what's the best resource you have dealt with for reman heads? O...
2004 Subaru Forester XS 2.5L rack VIN: JF1SG65604
replaced steering rack twice,first rack failed after one mile replaced rack second time,also replaced pump,flushed system and performed proper bleeding procedure. no air in system,but steering feels slight stiffness checked all frontend pieces,nothing binding ...
2005 Suzuki Verona LX 2.5L MIL Lamp on VIN: KL5VJ56L05
Hey everyone, I could use a little help with this Suzuki. It can to me because it failed state inspection and the cel was on. Testing showed lean both banks. 02's looked like they were switching and stft numbers were hovering around 0. Ltft however at idle wer... Trouble codes: P0171 (Lean bank 1), P0174 (Lean bank 2)
1992 Toyota Camry LE 2.2L No Start VIN: 4T1SK12E7N
Hi and thanks for your input. This belongs to a friend so here I am working on it. The engine cranks, but no start. Has spark on all cylinders but is weak (Only jumps 3/16" gap) Compression is good (140#) Haven't checked fuel pressure, but still doesn't fire e...
2004 Toyota Sequoia Limited 4.7L four wheel drive VIN: 5TDBT48A54
Center light on cluster is flashing continuously. I have checked the operation of all four switches and they all check good. I can manually actuate both the the ADD and the transfer case motor both directions successfully. there are three position switches on ...
2005 Volkswagen Jetta 2.5 2.5L fuel pump relay A3/relay 3 VIN: 3VWDF71K85
Hi everyone and thank you for your help.I have this 05 jetta 2.5.The problem i'm having is that the fuel pump relay A3/R3 is not receiving the signal from the ecm.car came in not running and was bought in the auction and the owner has never seen it run.I'm not...

Fixes & Summaries for All Makes and Models
Fix/Summary Answers
2000 Audi TT 1.8L Cv Axle VIN: TRUUC28N6Y
2008 Buick Enclave CXL 3.6L Engine VIN: 5GAEV23798
The jury is in and the verdict is to replace the motor. Talked to the owner and convinced him to go with a GM rebuilt which should be here yet this afternoon. I did learn a lot about the weak spots in this motor, mainly timing chain wear and the absolute need...
2004 Chevrolet Trailblazer LS 4.2L Fuel Pressure
Thanks to all that replied. Can't get this customer to bring the car back in yet. The replies I received included replacing the thermostat for the coolant code and 2 things for the fuel pressure problem. 1: Recheck the readings to make sure my guage was acc...
2000 Chrysler Sebring JXi 2.5L Hesitation, Cuts out, Misfire, MIL Lamp on VIN: 3C3EL55H0Y
I am going to call this one fixed but I have thought that before and it turned back and bit me. We purchased a MOPAR crank sensor and installed it. According to our local dealer, the MOPAR crank sensor has a stronger magnet that ensures a good signal but we to... Trouble codes: P1391.
2008 Dodge Grand Caravan SXT 3.8L No Start, Poor Idle Quality, Hesitation, Cuts out, Stall, MIL Lamp on VIN: 1D8HN54P28
After replacing the MAP sensor the customer has driven appx [...] with no issues I will call this one fixed! Trouble codes: P2172 (High Air flow), P0129 (Baro Pressure out of range low).
2006 Ford Expedition King Ranch 5.4L O/D Light VIN: 1FMFU18566
I pulled the steering column cover and checked the o/d switch wiring and checked the entire wire harness at all connectors for the transmission. Didn't find any problems. We decided that the problem must be internal to the transmission or valve body. Since we ...
2006 Ford E-250 5.4L MIL Lamp on VIN: 1FTNE24L16
The repair was updating the PCM. I also replaced the fuel filter and air filter. After updating the PCM I was checking fuel trims with the air filter off which skewed my fuel trims. learned that one the hard way. thanks for all the replies..they at least got m... Trouble codes: P0172, P0175.
2010 Ford F-150 FX4 5.4L no communication VIN: 1FTFX1EV9A
Thank you all for taking the time to reply. After reading them over I went in manually on my scanner and I could communicate with instrument cluster & air bag. Just rushing to much and not thinking going in manually. So after looking at the wiring diagram I we...
2010 Hyundai Santa Fe GLS 2.4L Output Seal VIN: 5NMSGDAB9A
The customer took the vehicle to the dealer they replaced the inner and outer seals(we had replaced the inner seal only). The customer drove the vehicle 70 miles and said it is not leaking.
2009 Jaguar XF Premium Luxury 4.2L MIL Lamp on VIN: SAJXA06B49
The other code P0101 MAF ended up coming back as well. I put a new mass airflow sensor, cleared codes and now customer has driven car for about a week with no MIL. I feel this car is fixed because the light would have come back by now. Thanks for all the help! Trouble codes: P2099 (Post cat fuel trim system too rich bank 2).
2008 Kia Sedona LX 3.8L MIL Lamp on VIN: KNDMB23348
This one is fixed. After replacing the left side adjuster solenoid the reading was still not correct. Removed the front valve cover again to find that find the pick up wheel on the end of the cam for the position sensor was adjustable. I don't know weather ... Trouble codes: P0018 (Crankshaft/ camshaft correlation bank 2).
2013 Kia Optima EX 2.0L Door Lock VIN: KNAGN419BD
Well. I'm going to say its my first time of not getting to the root of a problem like this. I did as you guess have suggested I mean everything I even swap the PCM at some point. WoW! This is not funny same problem persist. The only thing I have left out unc...
2002 Lexus GS300 3.0L Mechanical VIN: JT8BD69S02
Finally I decided to replace the VVT the gear not the solenoid, I called Lexus dealer& they have in stock,install the new one & car ran like the way suppose to
2004 Lincoln Navigator 5.4L air suspension VIN: 5LMFU27R64
Thanks for EVERYONE'S advise. Here's what we found out; 1) The rear liftgate electrical connection had gotten water on it & was rusted a bit. We cleaned the connection off and was then able to clear the code for that system. 2) After this we attempted to ru...
2007 Subaru Forester X 2.5L MIL Lamp on VIN: JF1SG65607
Good Morning,Thanks to everyone ,you guys got me pointed in the right direction.With help of the lab scope ,and understanding the code .It appears the connection at the computer was bad. i put stabilant 22a on the connector the problem p0448 went away that cod... Trouble codes: P0448.
1998 Toyota Camry CE 2.2L engine VIN: JT2BG28K7W
Hey guys! I wanted to thank you all for the invaluable information! It was hard to remember to include everything I did and my Technician "Feeling" in my original post, and then I wasn't allowed to continue to update my info. MY LTFT were at 12%, but after ...
2003 Toyota Corolla CE 1.8L MIL Lamp on, Lean Condition VIN: JTDBR32EX3
Thank you all for your help. As it turns out the injectors were the culprit. I did an injector flush directly on the fuel rail at 65 psi and the trims halved themselves. At least I know I am headed in the right direction. Thank you all again for your suggestio... Trouble codes: P0171 (System too lean Bank 1).
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