Car Allergic to Vanilla Ice CreamProblem Analysis (Critical Thinking)

Aung, Zin, Soe,Khaing, Thinzar

Develop Problem Specification

Problem Non Problem

What Object-Car Allergic to vanilla ice cream

Car no allergic strawberry/chocolate

Defect-After buying vanilla ice cream the car cannot start engine

After buying strawberry and chocolate the car can start engine

Where Object-Pontiac / buying vanilla ice cream

Pontiac/buying strawberry/Chocolate

Defect-when starting engine

Can start engine after buying strawberry and chocolate

When Every Time-buying a vanilla ice cream from the store

After buying strawberry/chocolate

per Every time when buying strawberry/chocolate ice cream

After buying vanilla ice cream, start engine

After buying other ice cream, start engine

Magnitude Object-> every time buy vanilla ice cream

<= ever not buy vanilla ice cream

Defect-vanilla ice cream bought and came back,

Strawberry/chocolate bought and came back

Defect Size-vanilla Strawberry/chocolate

Trend-ever buying vanilla Ever buy strawberry/chocolate

Find Uniqueness and ChangeUniqueness Change Time

What New Pontiac and buying vanilla ice cream

The distance between car and vanilla ice cream counter

After buying vanilla ice cream from the store

Car ignition coil sensor has a start timer(Sensor)

no change

Where Buy vanilla ice cream Not start engine Vanilla ice cream and car distance

After buying vanilla ice cream Not start engine Vanilla ice cream and car distance

When Not start engine sensor Buy vanilla ice cream

There may be time limit Need more time

Need Time duration longer

Test Possible CausePossible Cause Possible cause

Where Time range of the day

Type of gas use

Time when driving back and forth

The distance between car parking and shop Facts (Real Cause)

Car sensor/need time duration heat for engine start

• After buying vanilla ice cream the car could not start engine.

• why car allergic to vanilla ice cream, why not car no allergic to strawberry and chocolate

• MUST BE CAR SENSOR

Thanks for your attention