When does the ECM go into clear flood mode?

If for some reason the engine should become flooded, provisions have been built into the computer to help clear this out. If during cranking of the engine you depress the throttle more than 80%, the ECM will enter what is called “clear flood mode”.

What are the signs of a failing ECM?

Common signs of a failing PCM/ECM/ECU include the Check Engine Light coming on, engine performance issues, and the car not starting. 1. Check Engine Light Turns On 2. Engine Stalling or Misfiring 3. Engine Performance Issues 4. Car Not Starting

How does a bad ECM affect fuel economy?

Poor Fuel Economy. A faulty ECM disallows your engine from knowing how much fuel to burn in the combustion process. Typically, the vehicle consumes more fuel than it should in this situation. You’ll end up paying more for gas than you would with a functioning ECM. The ECM plays a vital role in engine performance.

What are the signs of a failing ECU?

Common signs of a failing PCM/ECM/ECU include the Check Engine Light coming on, engine performance issues, and the car not starting. 1. Check Engine Light Turns On

Is it possible to have a flooded engine?

A flooded engine seems to be a problem of the past. Thanks to modern fuel injection technologies in collaboration with other modern systems its seem to be solved for good. Nevertheless, it still does happen although mostly on high-mileage, used cars where the fuel intake system isn’t in its prime condition anymore.

If during cranking of the engine you depress the throttle more than 80%, the ECM will enter what is called “clear flood mode”. In this mode the ECM commands a delivered Air/Fuel ratio to very lean (usually 20:1).

Navigation