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Thread: Indmar Raptor 400 Code 4238
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07-06-2020, 12:09 PM #1Member
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- Jun 2016
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Indmar Raptor 400 Code 4238
Hi, my 2016 Mondo threw the SPN 4238 FMI 0 code recently. The boat seemed to be running fine at the time and fine since.
After some googling I tried emptying all ballast and running at full throttle for a few minutes, no change.
Turned the battery selector to 0 for the night, no change the next day.
I can see the O2 sensors, one on each side with the blue wire covers I believe.
I've read some manual excerpts listing the troubleshooting procedure but most of that is over my head.
Is there anything else to try before taking it in? Just replace the 02 sensor?
Thanks.
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07-06-2020, 12:23 PM #2
Indmar Raptor 400 Code 4238
Found this......
Tighten V band clamps on exhaust.
O2 sensors fouled with carbon??
https://www.themalibucrew.com/index....el-trim-short/
Sent from my iPhone using Tapatalk2021 Supra SA 400
2018 Supra SA 400 (SOLD)
Michigan
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07-06-2020, 12:36 PM #3
Turned out to be the starboard side pre-cat O2 sensor on mine. Replaced and hasn’t come back. See if this link works:
Diagnostic Code 4238
https://r.tapatalk.com/shareLink/top...ink_source=app2018 Murder Max
2008 Outback V-Bought new; sold in 2018
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07-06-2020, 01:15 PM #4
Did you replace with Indmar part number or a Bosch or Denso part number for a F250?
Sent from my iPhone using Tapatalk2021 Supra SA 400
2018 Supra SA 400 (SOLD)
Michigan
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07-06-2020, 01:25 PM #5Member
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- Jun 2016
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- Alberta
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07-06-2020, 01:26 PM #6Member
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07-06-2020, 01:56 PM #7
The Indmar O2’s are pricey $150 ish each, but if the F250 6.2l part numbers work they are far more reasonable.
Sent from my iPhone using Tapatalk2021 Supra SA 400
2018 Supra SA 400 (SOLD)
Michigan
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07-07-2020, 09:30 AM #8
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07-07-2020, 10:35 AM #9
Bosch 17321. $52 on rockauto.
Sent from my iPhone using Tapatalk2021 Supra SA 400
2018 Supra SA 400 (SOLD)
Michigan
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07-07-2020, 11:40 AM #10Member
- Join Date
- Jun 2016
- Location
- Alberta
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- 41
The Bosch is hard to find where I am but I found it on Amazon. Just one question, is it long enough? The picture I'm looking at may be deceiving though.
https://www.amazon.ca/Bosch-17321-Ox.../dp/B00EZQIOUI