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International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for March 24, 2012
International Automotive Technicians' Network (iATN) - Members Only
(Also Available: All, Asian, Chrysler, European, Ford, GM.)
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Open Help Requests for All Makes and Models
Help Request Answers
2002 Audi A6 Quattro 3.0L Level Sensors VIN: WAULT64B52
This car came into us with light on in dash when put into gear for head light level found frount left level sensor arm broken replaced sensor tried to do reset head light but code 01539 headlight not set comes right back not sensors are at front is at 2.09 fro...
1988 BMW M6 3.5L Excessive Emissions, No Start, Poor Idle Quality, Hesitation, Surge, Cuts out, Stall, Misfire VIN: 1988M63577
This vehicle came runnung horribly. it is getting was tooo much fuel at idle as to where it wont even idle. hitting the gas will clear it up. Cust, has replaced throtle switch, o2 sensor , pump and computer ... Voltage from airflow meter seems right on the mon...
2004 Buick LeSabre Custom 3.8L MIL Lamp on VIN: 1G4HP54KX4
Hello gents - i have this buick that has me scratching my head. Mil light is on with codes p0442 and p0455 and message on instrument cluster say "check fuel cap/fuel cap loose." need to get this car a state inspection and will not pass with mil on. No other s... Trouble codes: P0442 (Evap emission small leak detected), P0455 (Evap emission gross/large leak detected)
2009 Buick Enclave CXL 3.6L No Start, blows ecm1 fuse VIN: 5GAER23D99
Came in on the hook with a blown ECM1 fuse. (F28 is by the ECM1 fuse in the under hood panel) You would think it would be a piece of cake to trace down a constant drain, but there are ground wires that run three different ways to three different areas and all ...
1999 Chevrolet K3500 6.5L Excessive Emissions VIN: 1GBHK33F4X
This truck Has a long crank after it is warmed up. Upon looking observing the data I found the ECT reading negative 40. I tested the 5 volt refrence and ground wires at the sensor both are good. I checked the 5 volt refrence wire for a short to anny other 5 vo...
2003 Dodge Sprinter 2500 2.7L Right Front Brake Caliper VIN: WD2YD74253
Replaced right front brake sensor during service . After depressing brake caliper we have no fluid flow through bleeder or line. Slow fuid from master cylinder front port also. Tried Pheonix injector could not get fluid through in either direction. No hydrauli...
1998 Ford F-250 XL 5.4L Battery light on
Hi can u guy help me.customer bring car to me with alternator problem (they did replace by themselves ) I check and think the alternator mini fuse burn but I can't find where he is. Can u help me Please thanks
2001 Ford Excursion Limited 5.4L Horn VIN: 1FMNC42SX1
No horn with key on.Genuine Ford security that works fine. Panic button sounds horn,door locks sounds horn.The horn button grounds relay with key off but that ground becomes 12 volts with key on.Anyone seen this before? thanks
2002 Ford Thunderbird 3.9L Oil
This vehicle runs, drives and performs perfectly. After it warms up, the engine produces excessive smoke from the exhaust especially on acceleration and it does happen intermittently. It is definitely burning oil. I was told it might be an issue with the pcv s...
2004 Ford Expedition Eddie Bauer 5.4L Hesitation, Cuts out, Stall VIN: 1FMFU17L24
This intermittent problem occurs after the car is fully warmed up. It will not throw a code, and MIL stays off. It feels like it is loosing fuel pressure or spark for just a second. Sometimes if you drive it hard it will go into a kind of limp mode where the i...
2005 Ford F-250 Super Duty Lariat 6.0L No Start, Stall VIN: 1FTSX21PX5
engine wont start without spraying starting fluid in intake will stay running if you keep the idle up,as soon as you idle down it shuts off,but it runs good when running no misfire ipr% is 75 psi when cranking thanks chuck Trouble codes: P0266
1999 GMC C7500 Topkick C7H042 7.4L No Start VIN: 1GDJ7H1D4X
Randomly crank no start when you let of the key it will backfire, cycle the key and it will fire right up and run smooth, cycle the key the next few times and it will start fine?? When you are cranking and it will not start and you inject propane it will start...
2001 Isuzu Rodeo LS 3.2L MIL Lamp on VIN: 4S2DM58WX1
This truck runs sweet but flags misfire codes and even flashes above 1500rpm. Customer wanted a tune-up for maintenance purposes anyway, so the dealer-specified plugs were installed. Coils all put back in proper place (#6 boot shorter than the rest). No change... Trouble codes: P0300, P0301, P0303
1998 Jeep Grand Cherokee Laredo 5.2L quadtrac VIN: 1J4GZ48Y6W
Truck has binding all time 4x4 drive train on turns, as they all do at some point. I have always changed the t/case or viscous coupler and had no problems. This is now an older vehicle. The viscous coupler is still alot of $$$. I elected to do used trans case ...
2002 Lincoln Navigator 5.4L No Start, Fuel pump constantly VIN: 5LMEU27R42
I have 12 Volts at the pump with key on engine off all the time and I have a good ground I did a voltage drop test on voltage side and ground side test okay if you unplug the fuel pump relay the vehicle will start after a few minutes it runs until fuel pressur...
1994 Mercedes-Benz E320 3.2L MIL Lamp on
Help MB tech. This car idles at 1500 rpm in park and sometime idle at 1100 rpm. Scan with solus and got code 6 idle speed control. Clear code and light is off but still idle high. Thottle body and maf was replace 3 month ago for surging idle. If there was a sh... Trouble codes: 6 (Idle speed control)
2004 Mitsubishi Galant ES 2.4L No Start, some times starts VIN: 4A3AB36F44
vehicle was towed in, new customer.Replaced belt and vehicle started fine. No head damage. Vehicle died. No spark and no ground to injectors. Cam and crank sensors fine and wiring tested to computor. Tried new cam, crank and computor anyway when no other probl...
2002 Nissan Altima 2.5L Starting VIN: 1N4AL11D72
Hi everyone!this altima is driving my customer crazy,by not cranking over at random times.what happens is:he'll try to start car and get no rotation of the starter,and along with this condition the power windows,directionals,and shift lock solonoid do not oper...
2007 Nissan Pathfinder SE Off-Road 4.0L Fuel Gauge VIN: 5N1AR18W47
Got this car in for a CEL and erratic fuel gauge. Has a P0463. Found a TSB for this concern and replaced the fuel pump/sender assembly with BOSH unit. Test drove truck was ok. Went to take home later and CEL was on and fuel gauge at empty has the P0463 again. ...
1999 Subaru Legacy Limited 30th Anniversary 2.5L 2-4Brake Duty Solenoid VIN: 4S3BG6856X
Car came in with harsh shifts and trans. temp. light flashing. Code P1705. Started the shopkey test procedure and the first test failed: Dropping resistor. So I replaced it with OEM Subaru part. No change. After about 7 hours of meticulously checking connector...
2004 Volkswagen Beetle GLS 2.0L downshift VIN: 3VWCM31Y94
transmission operates perfect until trans fluid is at operating temperature. vehicle begins to downshift hard under braking in lower gears. transmission upshift normal. Exchanged G195 speed sensor correlated to code P0721. Issue still present. Looking for more...
2005 Volvo XC90 T6 2.9L Mechanical VIN: YV1CZ91165
I have a question for all the techs out there can i remove and reseal valve cover on 2005 volvo xc90 2.9 l without use special tool that hold down valve cover need step by step info thankyou.

Fixes & Summaries for All Makes and Models
Fix/Summary Answers
2001 BMW 325i 2.5L pcv/breather sys VIN: WBAAV33421
Thanks so very much to everyone. I had my tech replace the oil separator and all the hoses. Did not have to take off the intake. Took of power steering reservoir, air intake and throttle body. Was not that hard, took almost 3 hours but could do it in 2 if I di...
2004 Cadillac Escalade 6.0L MIL Lamp on
First thanks to all who helped. The problem was yes a restricted evap canister. The new one i put on fixed the problem and my FTP sensor reading are now normal and no more check engine light. The customer is really happy now considering that he can fill up at ... Trouble codes: P0446.
2008 Chrysler PT Cruiser Limited 2.4L Misfire VIN: 3A8FY688X8
Replaced spark plugs with champions and cel has been off 2 weeks now. Thanks for all the info Trouble codes: P0304.
2000 Ford F-350 Super Duty XLT 7.3L a/c pressures
Well, you suckers were right. The orifice was totally plugged with tan-colored pieces of something like rubber. A good flushing and a new accumulator to top it off and this thing is very cold! Thanks for all the replies!
2007 Ford F-150 XLT 5.4L odometer VIN: 1FTPW14V67
So sorry this is late closing. Thanks to all who replied to this post. This customer decided to send his instrument in to Ford to have it rebuilt. Because we're in Hawaii it took about 3 weeks, but it's all good now. Thanks again.
2010 Ford Transit Connect XLT 2.0L Drive belt
Checked all the pulleys for Allighnment , Ok. Checked the pulleys if they were bent, Ok. Noted when belt started striping and moving forward was When the A/C compressor on. Told customer it needs a $2300 dollar compressor , Also tried to find cheaper A/C comp...
2002 GMC Envoy SLE 4.2L lifter ticking VIN: 1GKDT13S22
had already checked all the replies.this is my wifes car and has done this since we have owned it. for 4 years.we are selling it as is.thanks for all the help.
2001 Mercedes-Benz C320 3.2L Stall VIN: WDBRF64J21
The bushing in brake pedal was worn and play in pedal would allow pedal to push switch especially when hitting bumps and backing up hills. When pushing brake pedal with left foot and accelerating with right foot the computer would close throttle to idle positi...
2003 Other GM HOLDEN ZC VECTRA .0L Engine VIN: W0L0ZCF684
Put a little bit of oil in the cylinders and cranked Motor, Recheck compression on the low cylinders Again and came back to normal. Figured the rings were sticking due to vehicle not running for a while. Refit manifold and tried to start again, started but mi...
2002 Subaru Legacy GT Limited 2.5L Head Gaskets VIN: 4S3BE65682
Thanks for all the information. It's out the door and running great. Most people said to pull the engine, which I did. I think it made it easier to get the torque right but not everyone does it that way. About half of the respondents replace the head bolts and...
2000 Toyota RAV4 2.0L Mechanical VIN: JT3HP10V7Y
Finally the car was fixed after changing both igniters with new original parts.Eventhough we've tried used coil packs purchased at a salvage yard 2 times before,the only fix was OEM parts from the dealer.Thank you all for your precious assistance.
2005 Volkswagen Jetta GLS 2.0L MIL Lamp on VIN: 3VWSA69M85
Once again, IATN proves to me the best tool I have. Thanks to all that replied. Roger in one direct quick swing, slayed this dragon. The problem was a plugged snow trap. Don't know what a snow trap is? Don't feel bad...neither did I. Removed the air filt...
2006 Volkswagen Beetle 2.5 2.5L Blower and wipers inop VIN: 3VWPG31C86
Hey there, thanks to everyone and as many said, the load reduction relay under the dash in the relay panel was the culprit. Fixed it right up. IF you are questioning it, tap it with a screwdriver and see if the accessories in question start working, mine did...
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