1. Car Allergic to Vanilla Ice Cream Problem Analysis (Critical Thinking) Aung, Zin, Soe, Khaing, Thinzar

2. Develop Problem Specification ProblemNon Problem WhatObject-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 WhenEvery Time-buying a vanilla ice cream from the store After buying strawberry/chocolate perEvery time when buying strawberry/chocolate ice cream After buying vanilla ice cream, start engine After buying other ice cream, start engine MagnitudeObject-> 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-vanillaStrawberry/chocolate Trend-ever buying vanillaEver buy strawberry/chocolate

3. Find Uniqueness and Change UniquenessChangeTime WhatNew 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 WhereBuy vanilla ice creamNot start engineVanilla ice cream and car distance After buying vanilla ice creamNot start engineVanilla ice cream and car distance WhenNot start enginesensorBuy vanilla ice cream There may be time limitNeed more time Need Time duration longer

4. Test Possible Cause Possible CausePossible cause WhereTime range of the day Type of gas use Time when driving back and forth The distance between car parking and shopFacts (Real Cause) Car sensor/need time duration heat for engine start

5. 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

6. Thanks for your attention