my 3dr is over boosting 2.5 bar on gauge. i have checked all pipes and they seem ok and the amal valve is clicking on and off with ignition. anyone have any idears what it could be?
thanks danny

 

what should it be boosting at?

sounds like the actuator pipe has come off!

 

should peak at 25 psi then hold about 20

 

are you double sure there isnt a split in any of the boost control hoses, wastegate actuator to amal, and amal to compressor housing

because for some reason the actuator isnt seeing the boost from the compressor housing, or if it is the gate isnt opening

the next step would be to run a pipe from wastegate actuator to compressor housing, this will bypass the amal valve and see if that stops it

if not ping the arm off the wastegate and make sure its free to move

 

the arm is free to move might get some new hoses tommorow then i know for sure. could it be the actuator give up?

 

it is possible it it seized up and wont move ,but ive never heard of that before,

just put a hose between the actuator and comp housing so you KNOW the wastegate actuator is seeing boost pressure first

 

what do that then drive it? what should it do?

 

yeah drive it ,and the gate should open at whatever its been pre loaded to, all you wont have is the spike which is caused by the amal valve

if it works you know its amal or a hose, if it doesnt it must be the wastegate actuator

it wont do any damage, if it works it will run less boost than when it was working fine! if it doesnt it will overboost again!

 

ahh i see i will try that tommorow thanks for that mate