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What part is this on the engine ?

Printed From: CorrectCraftFan.com
Category: Repairs and Maintenance
Forum Name: Boat Maintenance
Forum Discription: Discuss maintenance of your Correct Craft
URL: http://www.CorrectCraftFan.com/forum/forum_posts.asp?TID=50069
Printed Date: January-16-2025 at 1:09am


Topic: What part is this on the engine ?
Posted By: T_bone19
Subject: What part is this on the engine ?
Date Posted: July-26-2021 at 11:12pm

Hi there fellow correctcraft owners. I was someone on this forum could help me to identify what part this is in my engine.

Is it an 02 sensor ? Oil Sensor ? I don’t know sensor !

It is located on the Stbd side and low of the engine. I checked the whole engine and it’s the only one. I also checked the engine manual of the 454 and 8.1L and no mention of a 02 sensor. Always thought they would be near the manifolds, etc..

I have an 8.2L PCM Python 99 SKi Nautique.

I must admit I had no idea boats had 02 sensors in them, until I looked up the part on Skidim or NP. The sensor looks very similar to those pics.

Any help identifying that would be great ? My concern I have a lot of all original parts and I want to make sure my engine is running at peak performance. So if there is any advice on changing them or a knock sensor I am all ears.

Thanks










Replies:
Posted By: KENO
Date Posted: July-27-2021 at 6:13am
This is kinda fun, guessing the part without a picture.

More fun than posting a picture tends to be Wink

If it's down low on the block, just above the oil pan, about halfway back, a little ways in front of the starter, it would be a knock sensor on your big block Chevy..

On the other side of the engine in the same location you'd find a coolant drain plug

If it's somewhere else, I guess that picture will be handy

In 99 the marine industry hadn't started using O2 sensors yet


Posted By: T_bone19
Date Posted: July-27-2021 at 11:28am


Posted By: T_bone19
Date Posted: July-27-2021 at 11:30am
I posted a pic, and that's what I thought. 

Thanks for your help with this. 


Posted By: Gary S
Date Posted: July-27-2021 at 12:43pm





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http://www.correctcraftfan.com/diaries/details.asp?ID=1711&sort=&pagenum=1&yrstart=1966&yrend=1970" rel="nofollow - 69 Mustang HM SS
95 Nautique Super Sport


Posted By: KENO
Date Posted: July-27-2021 at 12:56pm
Originally posted by T_bone19 T_bone19 wrote:

I posted a pic, and that's what I thought. 

Thanks for your help with this. 

Any time Wink


Posted By: T_bone19
Date Posted: July-27-2021 at 3:26pm
Is it easy to replace like an o2 sensor ?  Or is oil going to start pouring out ?  


Posted By: 8122pbrainard
Date Posted: July-27-2021 at 5:00pm
Originally posted by T_bone19 T_bone19 wrote:

Is it easy to replace like an o2 sensor ?  Or is oil going to start pouring out ?  

It's in a coolant drain. 


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/diaries/details.asp?ID=1622" rel="nofollow -

54 Atom

/diaries/details.asp?ID=2179" rel="nofollow - 77 Tique

64 X55 Dunphy

Keep it original, Pete
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