Spark timing is so critical to an engine’s performance that most modern cars use a sensor to tell the engine control unit(ECU) .
A: the exact temperature of the spark plugs.
B: the exact location of the coil.
C: the exact position of the pistons.
A: the exact temperature of the spark plugs.
B: the exact location of the coil.
C: the exact position of the pistons.
举一反三
- The major components of a non-distributor ignition system are engine control unit (ECU), ignition control unit (ICU), a set of ignition coils and some sensors such as crankshaft position sensor, camshaft position sensor and knock sensor.
- engine control unit (ECU)______
- The high voltage the gaps in the spark plugs, producing the sparks that ignite the mixture in the engine cylinders. A: breakout B: jumps C: builds D: breakdown
- The real invitation should: A: tell others face to face B: tell others on phone C: tell the exact time and location D: only invite the important person
- Thesensor provides instantaneous manifold pressure information to the engine 's control unit(ECU) A: cranksensor B: knocksensor C: MAP D: throttlebody