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Hi to all, On a problem like you have explained a friend of mine had this problem and was told by the local Toyota dealer that a new high pressure injection pump was required but after testing the sensors in the pump myself I found a fault in the diesel temp sensor, this was replaced and it solved the problem. Doug.

Hi to all, The misleading thing about an air leak on the return side of the diesel system is air can be drawn in without diesel leaking out, and because of the self bleed system on the Rav4 and others if you turn over the engine enough it will seem to correct its self and run all day, until you park up for a few hours and pressure in the system is lost through the return side of the system and air takes its place, then as you turn over the engine to start it will take time to bleed out that air before it will regain pressure in the system. Only then when the pressure in the common rail is correct will the injection computer signal flash out the injector on compresson stroke of the correct cylinder. Doug.

...........and his Da wanted him to be a joiner, like him.........so did he actually become a Toyota Tech......? Got his first pay packet just before Easter.......got hammered wi' tacks though..... Dave Allen.

Why not just disconnect the 12v? That way it'll be ready to go when you get back and reconnect it. If you allow the 12v to run totally flat when attached to the car, it 'may' do permanent damage. Refer to the many posts about weak 12v's after a few years. You don't want to help it to an earlier demise.

Get a 3D printer and make your own :)

Hello Tony - welcome to Toyota Owners Club

Hello Mike - welcome to Toyota Owners Club.

My multidrive iQ returns average 52mpg if thats any help David