S2000 Under The Hood S2000 Technical and Mechanical discussions.

CEL: P2646

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Old Jul 4, 2010 | 11:29 PM
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Default CEL: P2646

hey guys..
so the CEL light that came up P2646..
it came up once before and I cleared it hoping that it was false alarm.
and it just came back up today, which is about two weeks after i cleared it the first time.

i checked my oil and its clear as new and at full. my only guess that i can think of is that the sensor mite have gone bad? possibly the wires..

anyone know what/where I can look to check?

- Sung
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Old Jul 5, 2010 | 11:11 PM
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no one had this before?
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Old Dec 7, 2016 | 05:14 AM
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Default Need help

Originally Posted by watch0bak
hey guys..
so the CEL light that came up P2646..
it came up once before and I cleared it hoping that it was false alarm.
and it just came back up today, which is about two weeks after i cleared it the first time.

i checked my oil and its clear as new and at full. my only guess that i can think of is that the sensor mite have gone bad? possibly the wires..

anyone know what/where I can look to check?

- Sung
u ever figured out how to fix this I am getting same problem. Replaced the pressure switch still no good
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Old Dec 7, 2016 | 05:17 AM
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How's the engine's oil level?
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Old Dec 7, 2016 | 08:49 AM
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Originally Posted by windhund116
How's the engine's oil level?
its perfect changed it like1000 miles ago
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Old Dec 7, 2016 | 10:20 AM
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Try the VTEC strainer screen. May be clogged, etc. I'd have a replacement screen and O-ring gasket on hand before taking it apart or Murphy's Law will invoke a torn screen or o-ring.

-- Chuck
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Old Dec 7, 2016 | 12:14 PM
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Originally Posted by Chuck S
Try the VTEC strainer screen. May be clogged, etc. I'd have a replacement screen and O-ring gasket on hand before taking it apart or Murphy's Law will invoke a torn screen or o-ring.

-- Chuck
cleaned it replaced the whole vtec solenoid from working s2000 works when I restart works for few minutes then goes again
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