| Author |
Message |
   
john stephens
New member Username: john_stephens
Post Number: 1 Registered: 11-2009
| | Posted on Wednesday, November 04, 2009 - 12:03 pm: |
|
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
Senior Member Username: jwbmarine
Post Number: 5092 Registered: 11-2005
| | Posted on Wednesday, November 04, 2009 - 07:23 pm: |
|
http://bbcboards.zeroforum.com/zerothread/437574-survey-250-ho-issues |
   
Morten Ringvold
Senior Member Username: haffiman37
Post Number: 4337 Registered: 04-2006

| | Posted on Wednesday, November 04, 2009 - 08:24 pm: |
|
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 Casavant
Advanced Member Username: chickenfry
Post Number: 167 Registered: 05-2009

| | Posted on Friday, November 06, 2009 - 02:50 pm: |
|
I have herd the low fuel can starve the upper cylinders. |