What is p1299

Question

Start up runs rough sit awhile runs good

Answer 1

HI there,

This code varies from vehicle to vehicle, without complete vehicle info it's difficult to know what the meaning is for your car. You can find info for various makes here:
P1299 - Cylinder Head Temperature Sensor Detected Engine Overheating Condition

Read more: https://www.autocodes.com/p1299.html