March 16, 2015 Mike from Ohio shares a simple technique he uses to create an effective back-probing solution.

Back Probe T-pin modification
The T pin is one of my favorite back probe tools. I was first showed them by Bill Fulton years ago. While I don't believe he came up with the idea I really liked it. There are many brands of back probe devices for sale that are very nice. I like...

February 23, 2015 We're pleased to announce that once again iATN and ASA Midwest have teamed up to bring a live feed from the Vision Hi-Tech Training & Expo on Friday, March 6th, 2015 @ 4:00pm CST. iATN will be sponsoring a reception at the Expo on March 7, and we'll also have a booth that weekend! Please stop by and see us!

iATN Live Broadcast 3/6 Vision - Educator Think Tank Panel
Rick Escalambre from Skyline College in Northern California will moderate the Educator Think Tank Panel Discussion again this year.

February 18, 2015 Mark from Ontario, Canada shares a recent VE challenge and the discoveries made with in cylinder pressure measurements.

Another pressure transducer case study
Hello All. I was called to a general repair shop to help in diagnosing this vehicle. This vehicle had a very rough idle and hard to keep it running at idle. There was a code p0300 and po172 for running rich . Looking at the data and trying to keep...

February 10, 2015 James from Florida shares a tip that applies to Turbocharged 1.4 engine found in the Cruze and Sonic setting DTC P1101.

P1101 set in Cruze or Sonic
There have been problems with P1101 set in the Cruze or Sonic with the 1.4 turbo engine. Lean codes may also be set with possible rough running or idle surge complaints. The problem is caused by unmetered air entering the engine through the PCV system...

February 2, 2015 Martin from BC Canada provides some insight on the GM Data Bus Diagnostic Tool.

More HS CAN
This is intended for those who are interested in CAN Bus exploits. Coming soon (possibly next week) to North American GM dealerships near you, is the GM Data Bus Diagnostic Tool. I had the opportunity to download the program via TIS2Web...

January 27, 2015 We are excited to announce that Identifix is now offering a discount of $10-per-month off Direct-Hit to all eligible iATN Business+ Premium Members, a value of $120 per year. Applying for this discount takes less than a minute, and is available to Direct-Hit customers located in the USA and Canada. Apply here: http://iatn.me/d/identifix

Once the discount is applied, your Business+ premium membership could effectively be cheaper than the standard Business premium membership, while retaining the Business+ benefits, including providing premium access to up to four additional employees.

If you don't currently have a Business+ premium membership, you can upgrade your account in seconds: http://iatn.me/u

January 19, 2015 The latest iATN Review is out and we have many excellent user submissions from last quarter that we've highlighted. All of the articles we selected were highly rated by iATN members, and we're honored to share them here. Topics range from pressure transducers, charging systems, and electrical grounding, to high-speed CAN, a heads up on P1101s in late model turbocharged GM products, and a very in-depth look at on-line shop marketing with Google.

iATN Review Newsletter: First Quarter 2015 Edition
Includes: Pinpointing an Engine Mechanical-Fault Within Minutes. Swapping Global A Modules in G.M.'s. More Than One Way Find That Misfire. Charging System Diagnosis. Programming TPMS Sensor. Back Probe T-pin Modification. Another Pressure Transduc... and more.

January 12, 2015 Brooks from Texas shares his machine shop experience with a common cause for coolant in oil on 05-08 Dodge Ram's w/ 5.9L Vin C. http://autop.ro/7Gh


Coolant in the oil FYI
I've rebuilt several dozen of these heads and have seen this twice now, on this style engine. Coolant in the oil makes a black milk shake. The head is removed because the tech suspects (but doesn't test for) a bad head gasket. The problem wasn't with the HG, b

January 2, 2015 No, this isn't a Halloween post but Dale from North Dakota shares his experience on a John Deer tractor in tackling voltage drop issues.

An electrical ghost finally found
I don't normally do Ag machinery service calls but when it's one of your best Just fix it, I don't care what it costs customers, well, you make exceptions. The machine was a John Deere 8960 articulated 4wd tractor that the customer had bought brand new in ab

December 23, 2014 Michael from New Zealand shares a technique he used to analyze cooling system thermostat operation along with the supporting data.


Thermostat Diagnosis Using a Pico Scope
thermostat pico scope 2 thermostat scope 1 thermostat Just finished a diagnosis on a 2002 Saab 9-5 with a 2.0L spark ignition engine. I'm a mobile tech and attended a call out for a check engine light on. Performed a diagnostic scan had a P0117. Customer sta