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Either type is an important tool in the tuning process to determine how rich or lean the exhaust gases are. Some technicians use a wide-band O2 sensor in both bank 1 and bank 2 for increased accuracy. When you need to adjust the fueling for individual cylinders, a wide-band O2 sensor middle may be installed after each exhaust port. It also features generic and enhanced PID selection through customization of gauge settings, data logging, and GPS navigation.
Photo Courtesy Drew Technologies, Inc. Having both tuning and scanning software in one package is very convenient. If you are already familiar with standalone scanning equipment you may find the lower cost of these tuning packages to be attractive.
Comparatively, with integrated real-time data logging, some scan-and-tune packages have more features to offer within the tuning software. Tuners not using a scan-and-tune suite use some other method of data retrieval.
Up to two analog and two digital input devices can be added for additional monitoring. One O2 sensor is located in the exhaust for each bank of cylinders. For this reason, any professional tuner relies on one or more wide-band O2 sensors during the tuning process. Once the PCM has been calibrated, wide-band O2 sensor s are removed. Engine or Chassis Dynamometer: A dynamometer or dyno is a tool used by professional tuners to operate the engine on an engine dyno or vehicle on a chassis dyno through its RPM range to receive feedback data, apply calibration changes, and test applied calibration changes.
A common use for any dyno is to determine peak horsepower and torque. Tuners who use a dyno ought to pay just as much attention to cold-start and idle tuning as they do to WOT tuning.
This engine dyno is used by TPIS to break in new engines, tune engine controllers, and test for maximum horsepower and torque. By applying a load to the engine, the tuner can adjust calibration settings for operating conditions that are not possible without installing the engine into a vehicle and going for a drive.
This load is transferred through the drivetrain to the engine and allows the tuner to adjust calibration settings for operating conditions that are not possible without driving on the road. Emulation PCM: Flashing a PCM with an updated calibration takes about 30 seconds and requires the engine to be stopped ignition off and then restarted after the programming process has been completed.
The Moates. See Chapter 4 for more information on tuning software. Many tuners find reasons to reprogram PCMs out of the vehicle. Professional tuners sell calibrations through mail-order PCM tuning services. Many wire harness shops offer benchtop programming harnesses to power up and reprogram the PCM outside the vehicle. If you are in the market for such a solution, consider your current and future programming needs before making a purchase. These harnesses pass through the 12V battery, switched ignition, ground, and serial data circuit.
The J specification is implemented by automobile manufacturers as a standardization of the OBD-II connector cavity assignments. Before running the setup program right click on it. Select Properties from the list and then click the Compatibility tab. Now double click on the setup program to install the program and follow the on-screen instruction to complete the installation. Supported Vehicles.
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