1988smithy
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Did you definitely remove the O ring from the old filter? They get stuck in housing so you end up with 2 fitted
Can you give a definitive answer to that^^^ ... the connections should be white-green-blue-black(from left to right)Are you sure you didnt mix the pipes at the pump ports when you replaced it?
Can you give a definitive answer to that^^^ ... the connections should be white-green-blue-black(from left to right)
Thanks for the reply will try the return tomorrow8.5 bar on the feed port is good to go. If you measure the return port, you should get 4 bar. If you can install a T and take readings with engine running, you will confirm if the pressure is sustained with the injectors in operation. But as things stand, you seem to have confirmed that things are in order between the fuel tank and the FPR. If you get the live readings though on both ports, you will be in a better position to eliminate that part of the fuel system.
BTW, the pump will keep running as the low pressure stage keeps circulating fuel through the filter. Also the pump is activated by the ECU and there's no pressure feedback to tell the ECU to turn it off. There's only a timer to deactivate the pump after 3 minutes of running with the engine off.
Could you have installed these in the wrong pipe or the wrong way round? (I have not tried misfitting, so don't know if it is even possible).Really Thanks for the input guys
Since then iv put new non return valve,and air bleed valve,
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