You have 2 sensors for engine temperature one tells the gauge on the dash board what the coolant is the other one ECT. SENSOR tells the computer what the temperature is.If the ECT gives the wrong information to the computer it doesn't matter what the temp. gauge reads .
It's a common problem they go bad .It works like this the hotter it gets the easier electrons flow through it. The colder it is the more residence their is because its colder and the electrons move slower through cold materials that's how it works .
SOURCE: Toyota vista d4 engine runs then shuts after a while drive.cools down then starts again.3s-fse
It seems somebody tempered with the throttlebody air adjustment so whenever the car heats up they will be more air supplied to mix with fuel it blows the fuel out plus the heat coming makes the car does what we call preignition rendering the cylinder useless at the point of combustion but after it cools down with the air switch automatically switched off for cold start it will run
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