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International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for October 19, 2012
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Open Help Requests for All Makes and Models
Help Request Answers
2007 Audi A4 Quattro 2.0L shifter VIN: WAUDF78E27
Good Morning, we are working on this 07 Audi A4 quatrro. The problem is the shifter will not shift out of park when you put your foot on the brake. If you try 10 times it will not work 8-9 times. It may work 1 time out of the 10. We have replaced the brake/sto...
1986 BMW 535i 3.5L Hydroboost VIN: WBADC8409G
Hey Guys so this bimmer has been a thorn in my side since the day this guy walked on the lot. He brought it in this time complaining the brakes locked up after he drove it a while. I temped it and the left front was obviously stuck. I pick it up to take a look...
2002 Chevrolet Impala 3.4L Starting VIN: 2G1WF52E32
Customer brought car in with problem where car will not crank with drivers door open. If you shut the door car cranks and starts fine. If you turn the key back to accessory after u start it you can open the door and it will start fine but if you turn the key a...
2003 Chrysler Town & Country LX 3.3L Sentry, Power Control Module, Body control Module VIN: 2C4GP44353
Car came in for an intermittent No Start. Found the PCM (Power Control Module, sometimes referred to as the ECM) to not be sending out a start signal when turning the key to start. I then replaced the PCM with a used one. Both original and replacement have the...
2006 Chrysler PT Cruiser 2.4L Lights, Battery VIN: 3A4FY48B56
Owner complaint: dead battery, lights and turn signals not working occasionally. Tested battery and parasitic drain... both fine. Could not confirm any lighting problem. Returned within a week with same problem. Again nothing found. Finally problem occured aga...
2010 Chrysler Town & Country Touring 3.8L Dirt VIN: 2A4RR5D15A
Customer complains of dusty vehicle when driving on gravel roads. Checked for cabin filter and chryler has eliminated it in the new body. Checked with chrysler and have no answer for me. Has any one else had this problem or a solution to this headache??? any i...
2002 Dodge Caravan SE 3.3L no start VIN: 1B4GP25R82
I have been working on this one for two weeks now. When cold it will not start if it warms up it will start. No communication with inside modules mic,bcm,hvac. Once it is started it will be fine all day till it cools of like over night. No codes in pcm,tcm,bcm...
2004 Dodge Ram 1500 ST 5.7L Left Low Beam VIN: 1D7HA18D54
This vehicle came with the left low beam not working. Customer had used 3 new bulbs and still no low beam on the left side. I disconnected the C7 FCM connector and tested for voltage at all the low and high beam pins. I have battery voltage at all the pins. As...
1993 Eagle Talon DL 1.8L Starting VIN: 4E3CF34BXP
i push the clutch inn , and turn the ignition switch , the insrtrment panel lights up but the vehicle is not starting , what could cause this?
1994 Ford E-350 Econoline 7.3L Pedal Height VIN: 1FDJS34MXR
Hey guys, we have this 94 E350 Ambulance, came in for low brake pedal, we replaced leaking master cylinder, calipers and front brake hoses, rear brakes and wheel cylinders good and adjusted up. We can't get a good brake pedal out of it, goes too far down, stop...
2004 Ford E-350 Club Wagon XL 5.4L Excessive Emissions VIN: 1FBNE31L64
I have no long term fuel trim on b1 or b2 o2 read .986 on all o2 sensor you can make them go lean by taking a vacuum line off. I put in one new o2 in rearing same. I would like to know why i have no long term fuel trim at idel or going down road Trouble codes: P2196 (Front HO2S signal stuck rich B1-S1), P2198 (Front HO2S signal stuck rich B2-S1)
2005 Ford F-150 FX4 5.4L Hesitation VIN: 1FTPW14535
Hello fellow techs, This one has me stumped and I'm asking for help!! Truck runs fine until you accelerate especially up a hill at which point the ST fuel trims hit 43% on both banks. Feels like fuel starvation or clogged exhaust. Fuel pressure sensor reacts...
2007 Ford Freestyle Limited 3.0L Fluid VIN: 1FMDK06117
I probably shouldn't have agreed to change this vehicle's CVT transmission fluid and filter before I researched all the pitfalls. But I did do it. Now I'm not sure how to check the exact fluid level. Alldata says to attach a "Vehicle Communication Module and I...
2003 GMC Envoy SLT 4.2L Unknown VIN: 1GKDT13S43
on scan tool blend door actuators do not move, regardless of where you move sliders for hot/cold adjustment. this is a manual system. I am assuming there is some type of calibration procedure I am not aware of when new parts are installed. already disconnected...
2000 Honda Passport EX 3.2L 1-2 shift 2-3 shift VIN: 4S6DM58W1Y
this has an intermittent harsh 1-2 2-3 upshift. when it happens it will snap your neck and actually chirp the tires. the mechanic who was working on it before me replaced the transmission 3 times to try and fix this problem.he quit and now it is my nightmare. ...
2006 Honda Pilot EX 3.5L Mechanical VIN: 5FNYF28596
Hello Honda techs. We have a 2006 Pilot with engine oil making its way into the cooling system. We have flushed the cooling system and replaced the oil and filter. We have added florescent dye to the engine oil. The dye shows up in the coolant ( clean water )i...
2003 Hyundai Sonata GLS 2.7L engine VIN: KMHWF35H23
Hi to all My name is mike. Car was towed in not running. Cranked and sounded like it had bad timing belt. pulled covers and checked marks all dead on. Had spark injector puls and fuel pressure (47psi). Car should run. Held peddle down cranked and started. Ran ...
2006 Isuzu NPR 5.2L coolant bubbling VIN: JALB4B1666
i have a very strange situation with this vehicle. the vehicle is not over heating but it constantly bubbles into the over flow tank like blowing bubbles through a straw. we have done the co test with the fluid and passes. have used three different fluids to m...
1999 Jeep Grand Cherokee Laredo 4.0L transmission VIN: 1J45YTDKNY
Noticed transmission whent in to limp in mode, take of in second gear, i got the code for wrong governor prassure. After various testing, i replaced both transducer and sensor for governor, i noticed the fluid was very hot after 20min. of driving and kind of b...
2005 Jeep Grand Cherokee Limited 5.7L No Start VIN: 1J8HR58265
This vehicle cam in a a tow truck as a cranks but no start, of course when it got to my shop it started and runs perfect. Apparently it has had multiple no starts but very intermittent previously it always started eventually but this time it wouldn't even afte...
2007 Kia Sportage LX 2.7L Blower Motor VIN: KNDJE72347
Hello this is a problem I inherited from a local shop. Blower motor does not work in any speed. We have verified that all power and grounds are good and mitchell 1 gives wiring diagrams and diagnostic procedures that state replace suspected component with a kn...
1994 Lamborghini Diablo VT 5.7L Voltage VIN: ZA9DU07P0R
Hello all. I need to ohm test pins for sensors. I have the technical service manual for the vehicle, but it does not show what I need. I have to have a wiring diagram and a pin voltage chart. Does anyone happen to have these available, or know where to find th...
2001 Lexus IS300 3.0L abs VIN: JTHBD182X1
Vehicle came in with false abs activation at the end of a stop. Checked for codes and none were present. Graph and record all 4 sensors for playback and found the right rear dropping out up to 5 mph. Special order wss from dealer and replace. Inspect tone ring...
2007 Mazda CX-7 Touring 2.3L Misfire VIN: JM3ER29307
car was gone from shop for about a week after the above repairs then came back with p0300, and p0301 replaced coil and it never counted any more misses left again but now really started missing brought back replaced coil again with oem one never counts any mis... Trouble codes: P0300, P0301
2007 Mercedes-Benz C230 Sport 2.5L Mechanical VIN: WDBRF52H87
This vehicle came in with the worn sprocket on the balance shaft syndrome. This is the first we have dealt with. My question is with regard to the chain timing. The balance shaft is simple with the 6 millimeter holes that match in the bell housing area. The cr...
2008 Mercedes-Benz SL550 5.5L power steering/ABC VIN: WDBSK71F58
I bow down humbly in front of all the MB Techs... Thank you in advance for any input. I have this pretty MB SL 550 with a power steering humming noise. This noise is almost a vibration type sound. It flows from the pump, through the lines, to the cooler and s...
2004 Nissan Pathfinder Armada LE 5.6L Lighting VIN: 5N1AA08A34
We have a cutomer who has this Armada and it has a bad BCM due to a shorted wire. Does anyone know if a used BCM will plug and play? Trying to help her save some money due to another shop who caused problem. I know she needs to go back to that shop but she alr...
1970 Plymouth Barracuda 7.2L Carbs VIN: BH23G0B256
This is a old school help request, Thank in advance. This car (clone 1970s 440 6 pack) came to me on tow truck. The customer and my brother did some work to it before it got to me. It had been sitting for about 20 year and had ran great before sitting. My brot...
2003 Pontiac Bonneville SE 3.8L Cooling Systems VIN: 1G2HX52K53
Guys ? for u all i have this weird one dates are 1-10-2012 i installed this plastic 90deg hose conector into the intake and Serpentine Tensioner that the heater hoses are... well i thought it went well cooling sytem at the time was not great but workable... we...
1993 Toyota 4Runner SR5 3.0L fluid level VIN: JT3VN39W6P
So we put a trans in this 4runner 3 years ago. I believe its the A340F trans with VF1A transfercase, now it comes in because its dropping out of gear at stops, only when cold. Found the trans 1.5 qts.low with no leaks. The transfercase was over full.So how is ...
2000 Volvo S40 1.9L Cylinder head VIN: YV1VS2556Y
We are installing reconditioned cylinder head with valves. Original head was for the engine #1768941, so the valves have 7mm diameter. The remanufactured head is from newer engine (after # 1818169). The valves have 6mm diameter. We want to know if anybody inst...
2006 Volvo XC90 2.5T 2.5L high beam headlights VIN: YV4CZ59276
Any help on this one would be really great... When the lights are on and high beams are selected the reflectors tilt up like they should for high beam mode (bulbs do not change brightness, I think that is normal) Then the reflectors start to go down to a point...

Fixes & Summaries for All Makes and Models
Fix/Summary Answers
2000 Audi A4 Quattro 1.8L Mechanical VIN: WAUDC28D7Y
after a second look we had found that serp belt tensioner was bad. tensioner was bouncing and makeing noise. thank for all replies.
2002 Buick Century Custom 3.1L Stall VIN: 2G4WS52J32
Well I finally got this one fixed.It was #1 injector that was the problem.I motorvac it 2 times and now I have the trims back to normal. As far as the security code I borrowed a buddies otc scanner and with it hooked up it never did code again. I will see my s... Trouble codes: P0300, P1189 (Oil Switch Signal Circuit), P1626 (Theft Deterrent).
1998 Chevrolet Blazer 4.3L Odometer VIN: 1GNDT13WXW
It was the cluster. Picked up a used one. Thanks everyone for all the help.
1998 Chevrolet K1500 Cheyenne 5.7L Poor Idle Quality, Surge VIN: 1GCEK19R4W
Well to all of you who read everything before you respond thank you, i do feel like a a** truck had been to another shop for fuel pump, they told customer it had a bad miss so he tuned it up and said it still had same problem so he took it back to them but the... Trouble codes: P0440 (Evap), P1631 (Theft).
2002 Chevrolet Express 3500 8.1L MIL Lamp on VIN: 1GBJG31G32
Thanks for the replies, we took the advice of the first poster and checked the oil fill tube for vacuum. After smoke testing, we did find smoke to be coming from the oil fill tube, indicating that the intake manifold was leaking to the crankcase. We removed th... Trouble codes: P0101.
2005 Chevrolet Equinox LT 3.4L Radio VIN: 2CNDL73F75
Thanks to all who replied. As always IATN rocks. Kent hit the nail on the head. After questioning the customer, they stated that when this first happened the stereo went wide open and about blew them out of the car. I pulled a door panel and sure enough when I...
2001 Chrysler PT Cruiser 2.4L crankshaft VIN: 3C4FY4BB31
It seems by all of the replies I wasnt the only one to have a main bearing problem, We replaced all main bearings , replaced timing belt and front seal from dealer. Thanks alot Mark
1998 Dodge Ram 3500 5.9L no right front brake and now rear brakes. VIN: 3B6MC3664W
UPDATE: i have not fixed this problem yet! i have bleed the brakes at the; master cyl(good pressure), abs unit(good pressure), each frt caliper(good pressure), at rear splitter block(no pressure),rear brake block next to linkage on frame(no pressure). block on...
1999 Dodge Ram 2500 5.9L Seat Belt Retractor Solenoids VIN: 1B7KF2362X
On a subsequent visit to this vehicle, I found the owner had removed a fuse that I missed. His reason for removing was to kill the chime. I did install a relay in the harness at the integrated electronic module (IEM) to isolate the left door switch circuit fro...
1980 Ferrari 308 GTS 3.0L Stall
Well thanks to all!!! Great help by all. Luke [...] warned me of the great dangers of timing belts...Well that ended my diagnosing. Used his manuals for testing fuel system. All fuel pressures were in spec. Then went to fire vehicle and all hell broke loose...
2001 Ford Ranger Edge 3.0L MIL Lamp on VIN: 1FTYR14U91
Hello everyone, Thanks for your replies but after trying to reach the customer a couple of times now and not getting a reply well I am guessing that he is not coming back for now. Well, I found a TSB which related to the gaskets by the air intake plenum whi... Trouble codes: P0171 (Leank Bank 1).
2003 Ford F-150 King Ranch 5.4L Misfire, MIL Lamp on VIN: 1FTRW07L33
Thanks everyone for the overwhelming number of replies!! Everyone who pointed towards a small head gasket leak fouling the plug was correct. We bore scoped the cylinder with the engine cold and the coolant system under pressure and had a clear pool of coolant ... Trouble codes: P0304 (Cylinder 4 misfire).
2008 GMC Sierra 3500 HD WT 6.6L Cruise control VIN: 1GTHK39698
Thanks to all, Hank and Craig seem to know the system well. This failure is not like a failed module because it is a man made problem, voltage was spiked to the system from an outside source. When the light blue/white is removed the TBC module and the ECM both...
2000 Honda Accord EX 2.3L front struts VIN: JHMCG5554Y
QUESTION Are KYB replacement struts too stiff??? I want to post a followup question to the replies I have received. The overwhelming majority of the techs recommended installing KYB struts, and I prefer that because KYB struts are of high quality and have a lo...
2005 Hyundai Santa Fe GLS 2.7L Mechanical VIN: KM8SC13D15
Thanks to all the replied, after letting it sit overnight and rechecking in the morning I did find the noise is coming from the lower end it does sound a lot like valve train, quoted to remove the pan and inspect bearings, or replace the engine, customer decli...
2006 Infiniti FX35 3.5L battery, starting VIN: JNRAS08U46
Thanks for the replies. Well the used module and recoding the key did the job. And the battery seems to be doing fine. Thanks for the help on how much draw is acceptable on this vehicle.
2003 Jeep Grand Cherokee Limited 4.7L heat VIN: 1J4GW58J13
1996 Lincoln Mark VIII Anniversary 4.6L Drivelne VIN: 1LNLM91V2T
Well I dont usualy just replace part to see what happens but I had no choise in this matter. I installed and took back of the following and nothing fixed it or made a difference, driveshaft twice, rear differential and axle assembly. I founf out that this was ...
2005 Mercedes-Benz S500 4Matic 5.0L Cuts out, Stall, MIL Lamp on VIN: WDBNG84J35
Hello Fellow Tachs, Thanks so much for the reply on this "Head scrathing nightmare". Finally, I found the fuel pump sometimes looses the pressure for a brief moments. Replaced the fuel pump, Drove the car for few hundred miles. Customer has the vehicle n... Trouble codes: P0104 (Maf sensor signal).
2000 Mercury Grand Marquis GS 4.6L Surge VIN: 2MEFM74W8Y
First of all, I must say that the replies that I received were all very helpful and insightful and kept me in the right direction...unfortunately, I (or rather, the customer) ran out of time and he needed his vehicle back so I was unable to pursue the issue at...
2002 Nissan Altima SE 3.5L Nats VIN: 1N4BL11D22
Wow What a Lesson in Anti-Theft! Went to salvage yard and bought an IMMU, Put in, had Key guy come in and program keys, it Started!!! Thanks for your Quick Replys! IATN Rocks!
2005 Saturn Vue 2.2L MIL Lamp on VIN: 5GZCZ23DX5
many thanks for all the replies,after two smoke tests,and vacuum tests that didnt reveal any problems, i pulled the gas tank down,and as Steve [...] indicated poor connections. I checked the connector to the fuel tank pressure senor,it was green so cleaned it up,... Trouble codes: P0455.
1999 Toyota Tacoma DLX 3.4L Stall VIN: 4TAWN72N8X
I replaced the ECM, but nothing changed. I checked wirings again between ECM and igniter, igniter and coils, but could not find anything wrong. The engine fires first a few seconds, and stalls. Fortunately, when I checked again iATN, I found the case that I di... Trouble codes: P1300 (Igniter Circuit Malfunction).
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