Hi, that was my point, without the engine running it was totally reliant on the heaters pump so if the pump didn't run the water was going nowhere. This would cause a small amount of water to get hot very quickly. This would trick the heater into thinking the whole engine was up to temp when it wasn't. It then switched itself off.
When I tapped the pump and with the circulation of the cars engine water pump it brought the engine temp up to 72 degs in about 15 mins while ticking over. That would never happen in a million years without the FBH working.
I switched off the engine and let the temp climb to 74 purely on fbh power, when it shut itself down as it should.
This would indicate that my FBH pump probably wasn't running when it should have been, and a tap on the side with a screwdriver started it. It can't be trusted anymore, so needs pulling off and looking at.
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Rover 75 2.0 CDTi (131Ps) Conn SE Saloon. (Manual)
160 Remap, cruise control, electric window blind, temp gauge, Real walnut / ZT interior, FBH with GSM control.
BORN
Tuesday, 5th October 2004 @ 12:35:52
This vehicle was the 104,679th 75 to run off the production line, out of 112,381
This vehicle was the 3,318th 75 CDT Connoisseur SE (135) to be made out of 4,744
This vehicle was the 12,440th 75 in Starlight Silver (code: MBB) to be made out of 14,280 Starlight Silver 75s
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