Easy Car Diagnostic Tool
+
Free Mobile App

AndroidiPhone

Detect faults and turn off the engine light independently and in a few seconds – For iPhone and Android – Compatible with all cars since 2001

49,00 €

P1291 – VOLKSWAGEN

Code : P1291
Make : VOLKSWAGEN
Description : P1291 VOLKSWAGEN Engine Coolant Temperature Sensor High Input
Possible causes :
– Faulty Engine Coolant Temperature Sensor
– Engine Coolant Temperature Sensor harness is open or shorted
– Engine Coolant Temperature Sensor circuit poor electrical connection
Solutions :
– Carry out a Reset via CarDiag
– Choose a better quality fuel
– Check that the tank cap is securely closed
– Check the oil level and add more if it is lower than MAX
– Restart an Automatic diagnostic via CarDiag
– If the fault persists, you can check the “Possible causes” listed above : visually inspect (by yourself (tutorials to come) or by a professional) the wiring harness and the associated connectors, check for damaged components, and look for broken, bent, pushed, or corroded connector pins.

Leave a Comment

Your email address will not be published.

Scroll to Top