2004 Civic EX power loss @ 4000rpm

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01-17-2017, 07:21 AM

Tom Dennis

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2004 Civic EX power loss @ 4000rpm

Looking for a little help on this one. The code that comes back is p2647 rocker arm actuator stuck off. Oil change was done less than 3k miles ago, so I don't think that is it. Not sure if replacing the oil pressure switch will take care of this or not....thoughts? If so can someone tell me where it is located? Thanks!

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01-17-2017, 08:22 AM

Tom Dennis

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Re: 2004 Civic EX power loss @ 4000rpm

NM, I got it figured out.

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01-18-2017, 11:23 AM

thetut

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Re: 2004 Civic EX power loss @ 4000rpm

So what was the problem?

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03-27-2017, 08:13 PM

.Skinny.

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Re: 2004 Civic EX power loss @ 4000rpm

What was the solution? I get this problem when I'm low on oil. But the oil light never comes on.

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03-27-2017, 08:30 PM

toyomatt84

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Re: 2004 Civic EX power loss @ 4000rpm

If the engine is cutting out at 4,000 RPM's, you're probably in Limp mode. Meaning there is probably a Check Engine Light illuminated and you have something to investigate.

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03-27-2017, 08:43 PM

.Skinny.

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Re: 2004 Civic EX power loss @ 4000rpm

It goes into limp mode when I'm low on oil. I have a cel, I believe it was oil pressure sensor. I got a oil pressure sensor but have not put it on yet. Could the vtec solenoid be faulty or screen be clogged. But as soon as I put oil in the engine it's not in limp mode anymore.

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