E320 CDI engine racing

[cliffym123]

can anyone help me here !! when i select either reverse or drive the engine seems to rev up to about 3000 rpm and shoots off when you release the brake. while you hold the brake on you can feel the engine fighting against itself to pull away ... H E L P A N Y O N E !!!!!!!!!!!!!!!!

 

[undeckedhomer]

idol control valve stuck open

 

[Ellsy Tanners]

So in p or n its normal idle speed??.

As homer possible quantity control vavle, the round component on the end of the fuel rail.

 

[cliffym123]

yes .. in park and neutral the idle speed is fine .. but select a gear and.. tally ho !!!