Diagnostic Solutions: Upgrades That Deliver Performance and Pizzazz
Checking the Basics Saves Time When Chasing Check Engine Codes
Subaru Tech Tip: Harsh AWD Engagement/Code 45 Set
If you encounter a TCU Code 45 (intake manifold pressure signal) on any 1999-2002 4EAT Subaru vehicle, and have confirmed the wiring and connectors as outlined in the appropriate service manual, it will be necessary to replace the TCU with one listed in TSB 16-66-02.
ASE L1 – Advanced Engine Performance Test Updated
Time waits for no man, nor does technology. That’s particularly true when talking about advances in automotive emission control technology. In order to keep up with these changes, ASE is launching an updated version of the L1 – Advanced Engine Performance Test this spring.
VW OBD II Revisited: Good Vehicle Service History Helps Determine Causes of Repeat Failures
After 10-plus years of dealing with OBD II, it should be apparent that we are on a learning curve that probably has no end. Almost daily we have a VAG model come into the shop with a check engine light on, or a “state OBD II failure” form. Although we have the latest scanner software
Diagnostic Dilemmas: Making the Case with Scan Tool Graphing
I’ve recently updated to test equipment that’s able to save graphed data on a compact flash or CF card. In this case, while the equipment happens to be a Snap-on SOLUS scan tool and a Snap-on Vantage Pro lab scope and graphing multimeter, keep in mind that other equipment on the market is equally capable
The PCM Effect on Oil Service
As with everything else under the automotive sun, technology is changing the lube, oil and filter market. More specifically, modern technology is making it possible to use the vehicle’s on-board engine management system to mathematically determine the length of an oil change interval. At the most basic level, the PCM simply adds up the mileage
Diagnosing GM LT1 V8 Engines
The Chevrolet LT1 engine is the second-generation (Gen II) design of Chevy’s famous small block. The LT1 was fitted in Chevy’s Corvette, Camaro and Caprice/Impala SS. This engine also was used by Pontiac for the Firebird, by Buick for the Roadmaster and by Cadillac for the Fleetwood. The LT1 was first available on the Corvette
Ninety-Nine Times Out of a Hundred…
Let’s face it: all of us occasionally get that haunting feeling of inadequacy when a simple pattern failure turns into “rocket science.” Like most technicians, my rocket science feeling happens most often when the problem at hand doesn’t fit within the confines of my previous experience. Ninety-nine times out of 100, my experience works to
Cold Engine Stumble/DTC P0116/MIL ON
Some 2000-2002 Hyundai Accents with 1.5L SOHC and 1.6L DOHC engines may experience the following symptoms in hot and humid weather: Slower than usual acceleration after an initial cold start (engine is cold soaked). Greater than usual rpm drop when engaging drive or reverse (on ATM-equipped vehicles) after an initial cold start. Some 2002 1.6L
No-Start and Rough-Running: 1996 Chrysler Sebring Coupe
Anyone who has been around the block a few times in the service and repair industry is bound to get called at some point by a customer (or another shop) that has a problematic vehicle that nobody can figure out. Usually at this point some ridiculous amount of money and time has been spent on