mk3 golf flashing oil light

[gelly]

hi iv'e modded my mk3 golf with mk4 golf head so i can run bike carbs car runs fine but the oil light is flashing had new oil pump and checked oil being pumped to the head which its doing as it should its only the oil light flashing no buzzer is going off any idea's please it's doing me head in now lol

[Screech16v]

Hi mate it might be a good idea to let everyone know what engine you got and which mk4 head youve used ,also try the search button there is masses of info on there 

[gelly]

hi the engine code is agg bottom end with mk4 apk head high lift cam 4 branch manifold mk2 golf dizzy and tci unit and 900 fireblade carbs i've done a search but it keeps coming up oil pump problem but its new just wondering if anybody has any other ideas cheers also have no oil temp its just got four lines

[mark-mk3gti]

im no expert, but if your not getting a oil temp , it could be the oil temp sender, and that could maybe also cause the flashing light if the sensor isnt working, have you got vagcom? may show up a fault code, and give you more info.

[Bandit127]

This thread from not so long ago might help.
http://www.golfgtiforum.co.uk/index.php?topic=231554.0

Forget your mods - it is low oil pressure by the look of it. The OP solved it by using 20 -50w oil.

I would probably swap out the sensor before changing oil grade personally - but that's because I once repaired the bottom end of a Cortina Pinto engine because the oil light was flickering on and I thought it was because the big ends/main bearings were gone. I can't remember what the crank regrind and bearing shells cost me but I do remember the pressure sensor (which was the actual problem) was £8...

[gelly]

ok cheers i'll try this tomorrow but i have got rid of the injection wires as no longer needed leaving just the 2 oil and water and 2 earth wires but thanks for all your help

[gelly]

ok cheers i'll try this tomorrow but i have got rid of the injection wires as no longer needed leaving just the 2 oil and water and 2 earth wires but thanks for all your help also i used mk3 headgasket as it seemed to match up with mk4 head

[trog_nfs]

Which oil pressure sensors have you got in the head. The ones for the mk4 or the mk3 head?