C5 Tech Corvette Tech/Performance: LS1 Corvette Technical Info, Internal Engine, External Engine, Tech Topics, Basic Tech, Maintenance, How to Remove & Replace
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Old Mar 31, 2015 | 08:52 PM
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maxjett
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Default p1635

Got the engine back in the car was running perfect now it is idling rough and has p1635 also notice the oil pressure gauge says at 50psi even when engine is not running any ideas
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Old Apr 1, 2015 | 11:17 AM
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dadaroo
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Here is a link on the code. Not at home to help further. May want to check the connection.

https://www.corvetteforum.com/forums...cuit-code.html

Sounds like your oil pressure sender is bad. I have links for that too at home.
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Old Apr 1, 2015 | 12:58 PM
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maxjett
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Could the oil pressure sensor cause this code since the 5v is shared with it. I can unplug op sensor and code will clear
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Old Apr 2, 2015 | 07:50 AM
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dadaroo
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Yes, I looked into the FSM to verify the link I sent. Looks like the OP sender is your issue.

Do you need any guidance on the ways to remove?
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