hi i don't know if you can help me ,, but i keep getting a fault on my Vauxhall cavalier 2.0 16v sri L reg ecotec engine when i do the paper clip fault finder on the ecu.. its saying fault 29 ( fuel pump relay low voltage ) this fault makes the car go into limp home mode.. sometimes restarting the engine will cure it , sometimes not am i right in thinking the relay is on left hand side of engine .. but which one ?? there are 3 relays in there , a green one ,, blue one and beige one ... and would replacing the relay cure the problem i hope you can help me as i am getting frustrated with this problem cheers paul.