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-   -   engine noise in palio 1.2 nv (https://www.team-bhp.com/forum/technical-stuff/28669-engine-noise-palio-1-2-nv.html)

Lately theres a strange 'ktrr ktrr' sound coming from the car's engine. The frequency of sound increases with the the speed. its not loud and could only be heard when the bonnet is open. The temprature needle also touches the half mark when the car is neutral (this happens when i have done about 4-5 kms of driving) but comes back to 1/4th mark while in motion. Dont know whats happening.

I hope the pistons are alright.

The car has done 5 thousand kms. The car has been serviced once and the next service/oil change is due in december.

Please help.