Etec detonation

[john_stephens]

250 etec has complely destroye

250 etec has complely destroyed 2 pistons due to detonation what could cause this only 2 holes on a direct ingection electronic engine and why.

 

[jwbmarine]

"[url=""]http://bbcboards.zero

"http://bbcboards.zeroforum.com/zerothread/437574-survey-250-ho-issues"

 

[haffiman37]

"Detonation on DI engines are

"Detonation on DI engines are normally caused by either engine not reaching max recommended RPM or faulty injectors.
If on the 2 upper cyl's, check your cooling capacity (pressure)."

 

[Cliff C]

I have herd the low fuel can s

I have herd the low fuel can starve the upper cylinders.