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o2 sensor CEL question, port side engine

Messages
1
Points
1
Boat Make
Yamaha
Year
2015
Boat Model
AR
Boat Length
24
#1
hey new to forum, I am having an issue with an annoying check engine light on my boat. the boat is a 2015 AR240 Yamaha. The check engine light and alarm will come on immediately after starting the engine in question. it doesn't matter if I disconnect the batteries, leave them for even a day, it will come back immediately after starting the engine. I have taken the boat to a dealership to have them troubleshoot the issue , they even hooked water up to the boat and they told me that it was the port side o2 sensor. I suspected an o2 sensor being the issue before I took the boat there, but what has me puzzled is even if I swap o2 sensor with the other engine, the port side is still the engine light that comes on. any thoughts? my boat has a cat , so I have 2 o2 sensors. I have tried swapping them around. the dealership did clear the codes and told me to bring it to the lake, which I did but the code came back after about 5 minutes of running it. engines both seem to run fine.
 

scubarick314

Well-Known Member
Messages
60
Ratings
34 7
Points
63
Location
Seminole, Florida
Boat Make
Yamaha
Year
2015
Boat Model
AR
Boat Length
24
#2
Did you ever find and or fix your check engine issue. I went out last week and I had a check starboard engine alarm come on just after leaving the no wake zone. I could silence the alarm for awhile but would come back on. Thanks for any help.
 
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