[Scrapper]

Originally Posted by Karpman1000

Hello, I have a 2008 prius with 80 000 miles and recently it started sounding like a diesel motor when under slight load and the accelerator pedal slightly depressed. When I push down a little more the diesel noise goes away, The motor never did that before so I'm wondering what might be wearing out. Timing chain or belt? I don't have a manual for the car so not well versed on engine internals.

Thanks,

Eero

try putting some sea foam in it. sounds like it might be out of time if it's spark knocking aka diesel sound.