× Auto Repair Pros Member Benefits TechHelp Knowledge Base Forums Resources My iATN Marketplace Chat Pricing About Us Join Industry Sponsors Video Members Only Repair Shops Auto Pro Careers Auto Pro Reviews
Join Now
International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for August 4, 2015
International Automotive Technicians' Network (iATN) - Members Only
Next
(Also Available: All, Asian, Chrysler, European, Ford, GM.)
Vehicle Owners: If you are seeking an automotive repair professional to service your vehicle, visit the iATN Repair Shop Finder.

Open Help Requests for All Makes and Models
Help Request Answers
1998 BMW 528i 2.8L dash lights VIN: WBADD5324W
Customer dropped off vehicle this morning with a complaint of dash lights turning off when headlights are turned on. Verified complaint, and the dash lights come on with the parking lights, but turn off with the headlights. The customer told me that his wife t...
View
2012 BMW 528i 2.0L Radiator shutter, map thermostat circuit VIN: WBAXG5C5XC
Hi everyone, I got 2012 528i here in shop with engine code 138701 Radiator shutter top upper limit position detected too early, code 1D2404 map thermostat activation line, code 1D2402 map thermostat activation short circuit to ground . since i have limited in...
View
1997 Buick LeSabre Limited 3.8L Control head VIN: 1G4HR52K3V
We have this Buick in the shop that has automatic duel climate control and when you put the Heat between 8o-85 it blows ice cold air as well as the temperature that is displayed on the control head is flashing we have checked for codes with the snap on solus a...
View
2004 Chevrolet Silverado 1500 5.3L Electronic VIN: 2GCEC19T74
Looking for information on how to replace recirc door actuator. Mod says remove dash, labor guide says 3.5 hours.
View
2007 Chevrolet Trailblazer LT 4.2L blower VIN: 1GNDT13S97
Hello everyone and thanks in advance! Got another strange one here. This vehicle initially came in because there was no mode operation, the air would only blow out of the defrost and feet. Replaced the mode door actuator and all was good...EXCEPT that when ho...
View
2008 Chevrolet Express 3500 6.6L MIL Lamp on VIN: 1GBHG39698
Hello fellow techs, this unit is one of three we service, they are all high mileage, high hour (11662.0 on this unit) vehicles, they all intermittently set P0101 codes, freeze frame data, at operating temp 185, slightly elevated idle 800 rpm, 46.42 g/s, egr va... Trouble codes: P0101 (Maf performance)
View
2008 Chevrolet Malibu Classic LS 2.2L air bag system VIN: 1G1ZS58F28
hello good morning guys i'm here looking for some help, I have this Malibu with the air bag problem; code B0081 passenger presence system (symptom 71) check the wire under the passenger seat, follow step by step diagnostic procedure got all power & ground to t...
View
2003 Dodge Ram 1500 Laramie 5.7L 2nd Gear Starts VIN: 1D7HA18D13
I appreciate any help. this one came in in limp with 2nd gear starts, mil on p0891 tcm relay always on. so I have tested the relay and system associated with the corresponding diagram. the relay is ok, trans solenoid power circuit is running 6.2 volts park or ...
View
2006 Dodge Charger R/T 5.7L Cuts out VIN: 2B3KA53H56
I have this 06 hemi charger with an instant stall. This mainly happens hot but also can happen cold. Plugs were replaced with mopar plus the crank sensor also mopar. I have had this type of stall before but cold usually. This car will actually clear codes and ... Trouble codes: U0100, P0700
View
2005 Ford Mustang GT 4.6L A/C Clutch relay VIN: 1ZVFT82H65
Any help is greatly appreciated. To start with, I just found out this is a Katrina car (WOOHOO!) It's intermittently losing A/C request signal to the clutch relay. I have all pressure switches bypassed so the ECM thinks all is good. A/C request signal goes fro...
View
2007 Ford F-450 Super Duty XLT 6.8L Hesitation, MIL Lamp on VIN: 1FDXF47Y07
This truck has a bad hesitation under load at about 20 % throttle. The hesitation goes away after you pick up rpm and speed. We have replace a failed coil on #6 cylinder, replaced all worn spark plugs, pulled a fuel sample (passed), checked fuel pressure (pass... Trouble codes: P061B, P2106
View
2008 GMC Acadia SLE 3.6L Poor acceleration VIN: 1GKER13708
Vehicle towed in for overheating twice. Checked for head gasket damage with hydrocarbon checker, no issues found. Replaced waterpump and thermostat (waterpump was leaking severely). On repair verification test drive, we noticed that the check engine light was ... Trouble codes: P0330 (Knock sensor b2 open or shorted circuit)
View
2002 Honda Civic DX 1.7L Valvetrain VIN: 2HGES15162
Upon road test after repairs the engine runs good until warm and then begins to smoke oil in large amounts from the tailpipe. With a boroscope in the all cylinders I found I can press down on any intake valve and oil pours into the cylinder. I removed the inta...
View
2008 Hummer H2 6.2L rear diff lock actuator VIN: 5GRGN228X8
Car is like new. 6500 miles Permanent "Service 4wd" message on cluster. 4wd engagement works but not rear diff lock actuator Code C0388 on transfer case control module. (rear diff lock actuator circuit open or shorted to ground) Code will not reset Rear d...
View
1982 Jeep CJ7 4.2L none VIN: 1JCCN87E6C
Check engine light does not turn on with key on. It will come on while starting, if key is returned to run before the engine starts the light will stay on for 3 seconds than shut off. I can turn the light on while the engine is running by disconnecting the map...
View
2011 Lincoln MKX 3.7L Touch Screen VIN: 2LMDJ6JK7B
The center screen on the dash doesn't light up and when I shut the car off, the place in park message comes up. Code U0253 00-2C was stored (lost comm. with Accessory Protocol Interface Module). Any help appreciated. Randy
View
2004 Mazda 6 i 2.3L No Start VIN: 1YVFP80C14
Car towed to me with a complaint of"fires once,but then just spins and spins".i have no rpm signal from crank sensor on my scan tool,so i pulled connector off to test voltage.i'm getting 2.5 volts from both wires.so,i pulled the connector from the camshaft sen...
View
2005 Mercedes-Benz CLK55 AMG 5.5L Location of filter VIN: WDBTK76G35
After looking for locations on mitchell and even google and calling other shops no one really seems to know where the fuel filter is for this clk 55 amg. If someone could tell me where it is that would be helpful thank you.
View
2001 Pontiac Grand Prix GT 3.8L Blower speeds VIN: 1G2WP52K71
I suspect a blower resistor, but high speed is intermittent as well-no lower speeds at all. Then all of a sudden, the system comes to life!
View
2004 Pontiac Grand Am SE1 3.4L caliper VIN: 1G2NF52E64
new customer, vehicle came in with a hard brake pedal. after a couple of test found brake booster bad. replaced brake booster, test drove vehicle and no other problems. customer picks vehicle up and drives about 15-20 miles and states right front wheel locked....
View
2008 Pontiac Solstice GXP 2.0L Water Pump VIN: 1G2MF35X18
replaced water pump now Ihave a high pitched noise like a super charger in the pump or timing chain area. Used the proper holding tool for the job, Thanks for any Ideas and help.
View
2007 Saab 9-3 Aero 2.8L MIL Lamp on VIN: YS3FH56U97
Thanks in advance for reading this. I replaced fuel pump in 2013 with 60k miles to cure a P0089 fault code. I didn't hear from this customer until early this year when he called and told me this car developed a P0089 fault code which he had pulled at a shop ne... Trouble codes: P0089 (Fuel pressure regulator performance problem)
View
2003 Volkswagen Beetle GL 2.0L No Start VIN: 3VWBK21C33
This car very intermittently will crank and not start, tach reads 300 when it is cranking. usually after work when she tries to start it. it will NOT act up for me. cleared the ciodes twice after the problem occured twice and codes come back. i read diagrams. ... Trouble codes: P0261, P0267, P0270, P0264, P0445, P0037
View
2011 Volkswagen Jetta TDI 2.0L footwell temp sensor VIN: 3VWPL7AJ9B
the ac does not cool very well but pressures are good. So we scanned it no codes but the foot well sensors are reading 32 degrees both of them the evap core sensor is reading ambiant temp for the day 77 so we figure the sensors must be shot. We read on shop ke...
View

Fixes & Summaries for All Makes and Models
Fix/Summary Answers
2001 BMW 325i 2.5L Cooling Systems
Thank you everyone you turns out to be a filthy water pump . Thank you very much for taking the time to helped me
24
2003 Chevrolet Impala LS 3.8L I/M readiness VIN: 2G1WH52K43
Ok here's what I learned on this car. 1; The reason the monitor wouldn't run was due to the ambient temperature being too high. We had been attempting to run the test by just driving the vehicle here and there. Well since that was during the days normal busi... Trouble codes: P0463 (Fuel level ckt fault), P0135 (O2 heater circuit fault B1S1).
5
2005 Chevrolet Silverado 1500 4.3L Stop And Park Lamps VIN: 1GCEC19X15
Most of the replies were right about the cross circuit being the problem. It would seem that the customer has a friend who is a prankster. What I did find after checking the rear brake/park light sockets much closer was a well placed and almost hidden was a sm...
29
2008 Chevrolet Tahoe LTZ 5.3L Starting VIN: 1GNFK13018
First off I would like to thank everyone for the help, I un plugged the range switch and no luck there, I was getting 58.6 ohms across the CAN lines at the obd2 port with everything hooked up. I ordered a brand new BCM from GM no luck there either. It was not ...
11
1996 Dodge Ram 1500 5.9L trans VIN: 3B7HF13Z7T
thanks to all who replied got the wiring fixed alittle green but still no shift.Hydraulic pressure checks revealed no pressure @ front servo in 2 and d . pulled valve body and air checked front servos holds good just happen to have a donor vehicle that i tri...
7
2001 Dodge Ram 2500 5.9L Speedometer VIN: 3B6KF26631
FOUND A BROKEN POWER WIRE TO THE CLUSTER. IT HAD NOTHING TO DO WITH THE BUS CIRCUIT. AS TO WHY THE BUS WENT AWAY WHEN THE CLUSTER WAS PLUGGED IN I STILL DONT HAVE AN ANSWER TO THAT.
7
2009 Dodge Grand Caravan SE 3.3L Hesitation, Cuts out, Stall, Misfire VIN: 2D8HN44E39
Sorry for the late reply was waiting on my customer to give me feed back on the fix. Well after lots of thinking I started to look at the spark plug wires one by one and the first one I pulled off had signs of spark going through the boot so we changed the plu... Trouble codes: P0339, P0300, P1128.
6
2001 Ford Ranger Edge 4.0L Misfire VIN: 1FTYR14EX1
THANK YOU FOR THE HELPFUL INFO, BUT ON THIS FIX WE WERE NOT ABLE TO REPAIR IT. TURNED OUT TO BE AN INTERNAL ISSUE IN THE ENGINE AND WE ARE NOT SET UP TO REPAIR THOSE PROBLEMS. HAD TO SEND IT TO ANOTHER SHOP TO FIX CUSTOMER'S ISSUE..
17
2005 Ford F-150 XL 4.2L Fuel gauge VIN: 1FTRF12215
found spread out pins at instrument cluster harness. closed pins and cluster started to work after fix.
8
2005 Ford F-450 Super Duty Lariat 6.0L No Start VIN: 1FDXW47P65
After inspecting all of the other components I removed and inspected the branch tube. It was cracked and I replaced it. Engine starts easily both cold and hot now. Thanks for all the help.
13
2011 Ford F-250 Super Duty Lariat 6.2L Misfire, MIL Lamp on VIN: 1FT7X2B65B
Customer had to leave town for a couple of weeks so he took the truck so I don't know the results yet. Tried pressuring up the cooling system over night and then pulled the spark plug the next morning and cranked the engine over with a paper towel over the hol... Trouble codes: P0308 (Cyl 8 misfire), P0316 (Mifire on start upfirst 1000 revolutions).
8
1992 Honda Prelude Si 2.3L No Start VIN: JHMBB2167N
Hi and sorry for taking so long with this post. We went through all the pin checking of the PCM and found everything good. So since we didn't have a test unit we just bit the bullet and got one and all is good. Sure wouldn't mind knowing what took this out? Co...
20
1998 Honda Accord LX 2.3L Compression VIN: 1HGCG5540W
did not know which way to go on this as the customer declined the repair , but with further testing we determined the rings were shot and had way too much blow by the pcv valve could not pull enough pressure out of the engine we did a wet comp test and the rea...
14
2003 Jeep Liberty Sport 3.7L Hesitation, Misfire, MIL Lamp on VIN: 1J4GL48K63
Well its fixed! Thanks for the replies . I'm almost embarrassed at what the problem was. After its fixed its easy to say duh. OK the fuel trims were lean on both banks if I sprayed carb cleaner in the throttle they lowered . Ran and drove pretty good, so it wa... Trouble codes: P0302, P0304, P0306, P0171, P0174.
16
2009 Land Rover LR3 SE 4.4L Transmission VIN: SALAC25440
Hi Guys, Thank you for all of your help. I inspected the linkage at the transmission as was suggested and was able to free it up a bit and adjusted the cable. Drove around town this evening for about an hour without a problem. I will order the new linkage and ...
7
1969 Mercedes-Benz 280SL 2.8L Surge VIN: 1130441000
This car is all set special thanks to Steve from Florida I can probably help you over the phone. The issues are too complicated to address in a written reply. Give me a call if you are interested. 1-[...] After speaking with Steve he confirmed my susp...
14
1992 Mercedes-Benz 300SL 3.0L Unknown VIN: WDBFA61E4N
Thanks for all the great responses. All responses suggested a mechanical failure inside transmission resulting in replacing transmission or a full rebuild. We replaced the transmission with a new Mercedes transmission and all is well. Thanks again for all the ...
9
2006 Volkswagen Jetta TDI 1.9L EGR circuit VIN: WVWSR61J26
Have to call this one fixed. After a second thorough cleaning of the wiring harness, the customer has yet to return. We recommended a new wiring harness if the problem were to return. Alex mentioned vacuum hoses and carbon buildup.. none of which were an issu...
3
Prev (Also Available: All, Asian, Chrysler, European, Ford, GM.) Next