Thread: FBH problem
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Old 5th April 2019, 08:22   #1
Mike Trident
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Rover 75 CDTi Saloon & Citroen C1

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Default FBH problem

Well, having only quite recently fitted an FBH to my facelift 75, and everything working great for a few weeks it would seem to have developed a problem.

I have a temp gauge fitted to my car so I can see what's happening quite easily. Normally when the FBH fires up I can see the temp climbs quite quickly up to about 75 Deg, which is of course where the FBH would back off. I noticed the other day that the temp climbed quickly to about 40 Deg then slow right down. I figured the FBH had turned off for some reason, maybe the outside temp had gone up a little.

Anyway, it was cold outside this morning, so I thought I would try it again. The same thing happened, it was obviously working up to about 60 deg then turned off. I pulled up and let the car tick over for a few minutes. The temp gauge started to drop a few degrees, so I opened the bonnet and felt the FBH exhaust. It was just warm, and the FBH had turned off.

I went home and let the car cool down for about an hour. By this time the outside temp had gone up so I wired +12 to pin one (it's an early 66232C) and set my stopwatch going. It made a few noises, started to get warm (exhaust pipe) and ran for a total of about 3 mins before totally shutting down. I removed the fuse to reset and tried again, same thing! total shutdown at about 3 mins.

Does anyone know what the problem could be? The most annoying thing is I have just ordered a GSM unit to trigger it by text.
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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.

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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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