Understanding Subaru air mass sensors
The improvement in engine performance due to mechanical upgrades, free flowing exhaust, intake, turbocharger and intercooler, the amount of airflow through the engine's thrust on the floor. Any increase in the flow of air is immediately picked up by the air mass sensor. This causes the following things happen:
Increased load forces unit in the areas of fuel and ignition maps to run, which is calibrated to what to eat in fuel blends, which are too fat, something of the powerProfits made by the parties, in the first place.
Pressure Reducing exhaust allows more advanced ignition, is scheduled to ensure the center of the series, such as controlling ignition on, run, thus compromising the potential for peak power.
Outside the realm of control of the active time of the unit is actually deaf, and is programmed with a set of timing values safe. These values are reliable ignition of an unmodified engine. At high engine speeds and loads of powermust be slowed, especially after the 6000 RPM, or start the engine explode.
Usually increases the engine load and engine speed, fuel and ignition mapping changes gradually in response to this. After the changes, the controller can quickly reach the end of its scale, so in essence fuel and times to establish the values last September This leads to problems of reliability and drivability.
The control of a series of calibrated boost OE exhaust note and a suit of aspirationDynamics. Parts of the efficient control of overeating to throw too much out of sync for a closed loop pressure control to compensate. Increases wild fluctuations on the promotion or even under the promotion are all possible consequences.
Products that change the way in which the system management engine to solve the problems mentioned above divided into four main groups. These include the OE ECU re-flash, the installation of a type of add-on control valve, completeReplacement unit, replace and upgrade if plug-in chips. All these updates have their place in the grand scheme of things set up, each with its own advantages and disadvantages.
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