SENSORS Flashcards
(10 cards)
1
Q
What does MAP stands for in sensor
A
Manifold Absolute Pressure sensor
2
Q
What does a MAP sensor do
A
Measures the pressure inside the intake manifold which is sent to ECU
1. To determine air density
2. To set ignition timing
3
Q
What does air flow sensor do
A
Measures the amount of air entering the engine
4
Q
Types of AIR FLOW sensors
A
- MAF SENSOR
- VAF SENSOR
5
Q
What does MAF stands for in sensor
A
Mass Air Flow
6
Q
What does VAF stands for in sensor
A
Volume Air Flow
7
Q
What does VAF sensor do
A
Measures volume of air, not mass
8
Q
Where is Air Flow sensor located
A
Between the air filter box and throttle body
9
Q
Where is MAP sensor located
A
On or near intake manifold
10
Q
Types of MAF sensor
A
- Hot wire (most common)
- Vane meter (older vehicles)
