Ok thank you. I will try do 2 aproachs, first test a new gaugue (modern one) with voltage stabilizer included. The other one will be try a laser thermostat...

Thank you for your advice James Martim! Only a doubt, what you suggest to reduce the bypass hole?

Yes.... probably can be issue in gauge... I read in old manual can be injector nozzle faulty or incorrect injection pump timing, but with that I believe a can't achieve 55 mph..

:D:D:D:D Problaby in weather in Manchester solves the issue. I will try your advice, that you.

I'm form Portugal and I've got a serie 3 2.25 diesel engine (SWB). Although I searched the forum for help I couldn't find what I needed. So, my landy have some issues with overheating, in the forum I found another landys with the some problem. The water gaug never stabilizes in "N", i don't...

Thank you

I'm form Portugal and I've got a serie 3 2.25 diesel engine (SWB). Although I searched the forum for help I couldn't find what I needed. So, my landy have some issues with overheating, in the forum I found another landys with the some problem. The water gaug never stabilizes in "N", i don't...