3abdoomop

no i don't have a youghurt gunk on it and the gasket is good

hi.,. i just wanna help from who has the experience. i have 2001 toyota echo hatchback 1.3 L. ( 65000 km ) from a year ago. i have a big problem with my echo. i have aloud sound from the engine . a very very bad acceleration. a huge lose in power. top speed is diffuculty 150 km/h. the exhaust smells not to normal. i make a maintainance to my echo. replacing : air filter fuel filter spark plugs oil filter engine oil exhaust muffler cleaning M A F sensor , air intake . P C V valve are in good state. note : my check engine light isn't on . and i'd never light on. and it makes me crazy please don't tell me go to the dealer cuz i have , and did nothing