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that's it problem solved

thanks a million geeves your a legend

don't know why or how but I just gave the earth wire terminal connector bit a shine up and everything back to normal
glad I didn't do a flush as I read it can create more probs
thanks again

ok will try that too<br/>I was ruling that out coz of the 'senders normally fail to zero' comment and what a sender does, seems it could only fail to zero.<br/>I also don't think its a faulty gauge as the engine told me there was a problem (a kind of shuttering didn't want to run)<br/>it idles fine ...

that didn't solve the problem.<br/>must be a blockage or restriction after the gallery in oil circuit<br/>will try engine flush<br/>I really don't want to have to pull engine apart<br/>I hope no one else ever has this problem <img alt=":x" src="\images\49360\e12d26d0-b586-424a-8aff-041bc4c0ef2a.gif ...

and yes its the gtx diesel

doing an image search of 4jg2 filter housing shows unit has 2 bolt heads one is 22mm the other 24mm (checked by fitting socket to them) either one of them is the valve I think
hopeing it could be as simple as removing and cleaning
not sure if I should do this or not

the guage doesn't move until it is started

is the 22mm bolt next to the filter the bypass valve? can I take it out or will that ruin everything?

15 40 Castrol gtx always used this

so I changed oil and filter, helped a bit, now idles just below 6 but goes to 8-9 when I try to drive. still not game to go anywhere.
how do I check and/or clean or replace bypass valve?

where do I find and how do I check the oil bypass
is it ok to drive with pressure at 8-9 as I need to get to work, or should I fix it first