XJS ( X27 ) 1975 - 1996 3.6 4.0 5.3 6.0

Oil pressure

 
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Old 01-05-2018, 12:06 PM
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Default Oil pressure

xjs 3.6 liter 1985.
oil pressure at 5 with ignitin on,engine off.
pressure 7 engine idle.
changed the pressure swith,no help.
what could be the problem ?
 
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Old 01-05-2018, 01:19 PM
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Welcome to the forum gerben,

I've moved your question from General Tech Help to XJS forum. Members here with the same model will be able to help.

Please follow this link New Member Area - Intro a MUST - Jaguar Forums - Jaguar Enthusiasts Forum to the New Member Area - Intro a MUST forum and post some information about yourself and your vehicle for all members to see. In return you'll get a proper welcome and some useful advice about posting to the forum.

Graham
 
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Old 01-05-2018, 02:36 PM
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Originally Posted by gerben View Post
xjs 3.6 liter 1985.
oil pressure at 5 with ignitin on,engine off.
pressure 7 engine idle.
changed the pressure swith,no help.
what could be the problem ?
A bad connection on the oil pressure sender or instrument cluster plug.

If you disconnect the oil pressure sender the gauge will go full scale.
 
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Old 01-05-2018, 03:51 PM
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Had the engine been running recently? A good one won't leak down oil pressure right away.
 
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Old 01-06-2018, 03:08 PM
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engine is running regulary.
does not leak down oil presure.
the gauge reads 5 before engine runs. thenn climbes to 7 on idle..
 
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Old 01-06-2018, 04:17 PM
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Does the oil pressure warning light come on at any time?
 
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Old 01-07-2018, 01:58 AM
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This is an electrical gremlin. Nothing to do with the actual engine.
 
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Old 01-07-2018, 06:04 AM
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no light coming on.
oil pressure is fine.. it is the electrics that causes problems.
 
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Old 01-07-2018, 06:08 AM
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checking the instrument cluster is a [email protected]&#+ in the [email protected]#$.
the engineer who invented the system with the printed circuit under a layer of plastic,realy did NOT do us a favor.
 
 
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