Will94
Member
Registered: 1st Nov 02
Location: Nr. Ipswich, Suffolk
User status: Offline
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Driving along today at 70... looked up n my oil pressure has dropped to jus over 3 bar (usually sits jus under 4 when warm n driving at this speed)
Stopped in a layby, and as it went down to idle the oil pressure dropped down to just over 2 bar.
At warm idle the pressure normally sits between 3 - 3.5bar depending on how hot it is.
Stopped the engine, restarted it again about a minute later and pressure back up 2 normal!
Did it again a few hours later while it was hot and i was parking up, hasnt done it again on the journey home.
Oil level is fine.... could this b something up with the pressure relief valve?
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Nic Barnes
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Registered: 5th Apr 04
Location: nowhere near ginger people
User status: Offline
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oil pressure should be around 1.5 bar at idle once warm anyway
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Will94
Member
Registered: 1st Nov 02
Location: Nr. Ipswich, Suffolk
User status: Offline
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On the C20XE? Thought it was the X20XEV that ran that sorta pressure at idle
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Nic Barnes
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Registered: 5th Apr 04
Location: nowhere near ginger people
User status: Offline
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yeah xe is about 1.5 on warm idle
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Will94
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Registered: 1st Nov 02
Location: Nr. Ipswich, Suffolk
User status: Offline
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Soo it could well be the sensor is giving dodgy readings in that case? lol
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Olsrey
Member
Registered: 13th Jan 07
Location: Bradford Drives: LET Vectra B
User status: Offline
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Or maybe you've got a dodgey relief valve or perhaps a weak oil pump.
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Will94
Member
Registered: 1st Nov 02
Location: Nr. Ipswich, Suffolk
User status: Offline
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Surely when an oil pump goes tho it drops pressure and it stays low? It dropped but then went back up after being restarted both times
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Sean-B
Member
Registered: 1st May 07
Location: Wolverhampton Drives: 200SX S14a
User status: Offline
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Mine, at warm, idles at 2bar, and sits at 3.5-4.5 under load. Blow of valve kicks in at 5.5bar
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Nic Barnes
Member
Registered: 5th Apr 04
Location: nowhere near ginger people
User status: Offline
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similar to seans just idles at just over 1.5 bar.
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