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daryl
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Discussion Starter #1
I've got a 2000 Wrangler with a 4.0 litre engine. The oil pressure guage keeps bottoming out as the engine warms and kicks on the check engine light. I replaced the oil pressure sender, but the guage still bottoms out. Any ideas on what to check next?
 

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Get a mechanical oil pressure guage and attach it where you attached the oil pressure sender and see what it reads. This way you determine if you have an oil pressure problem or an electrical issue.
 
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