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20th April 2019, 13:15 | #1 |
Posted a thing or two
Rover 75 saloon, manual. Rover 75 Tourer, Auto. Join Date: Jan 2013
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Purpose of map sensor (diesel)?
Can anyone tell me the exact purpose of the map sensor?
I know it reads manifold air pressure, but for what purpose? Does it “control” anything? Sent from my iPhone using Tapatalk
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2006 75 Contemporary SE diesel manual (#1) 2003 75T Connoisseur SE diesel auto (For Comfort) 2005 75 Connoisseur SE diesel auto (Marmite duotone ) 2006 75 Connoisseur SE diesel auto (The last one?) 2009 E220 (For a change) 2018 L200 (For Big & Heavy Things) 1976 W114 250 Manual (For Sundays) |
20th April 2019, 16:43 | #2 |
This is my second home
Rover 75 cdt club + Rover 2.5 KV6 Conni SE Join Date: May 2008
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Yes. It sends a signal to the ecu along with the maf sensor, of the pressure in the manifold and it helps the maf /ecu to control the amount of fuel to be delivered to the engine under all conditions.
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20th April 2019, 16:44 | #3 |
I really should get out more.......
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Hey, I believe it has to do with ignition timing, and therefore fuelling, not certain, please do not try to clean it by inserting anything into the tiny orifice as it will probably destroy it just disconnect the wire and withdraw the sensor then wipe away the oily deposits with a soft cloth.
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