Honda Accord (1990 - 2002) Includes 1997 - 1999 Acura CL

Puzzler - F23A1 symptoms

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Old Jul 15, 2014 | 06:01 PM
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selbher's Avatar
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Icon3 Puzzler - F23A1 symptoms

Thanks for checking this out and any comments.

1998 Accord 6th Gen 215K miles, F23A1.

1) Oil in coolant. Definately NO COOLANT in oil. No white smoke or coolant sitting in bottom of oil pan.
2) Oil leak. Think this is from VTEC solenoid - I took off plenum/intake manifold and this is where it is leaking from. The attached pictures show what the intake manifold looks like. Is this from the bad solenoid?

LINK 1

LINK 2

3) Cylinder leak down test - all cylinders show fine except no.2. On TDC No. 2 can be heard leaking. The air is coming out spark plug hole in cylinder no. 4. Any ideas?

Thanks!
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Old Jul 17, 2014 | 06:34 AM
  #2  
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Default Re: Puzzler - F23A1 symptoms

Does #4 leak down at all? Have you done just a compression check? When #2 is on tdc compression, #4 is on tdc exhaust/overlap. If you have an intake valve on #2 leaking, it could cause the pressure to leak into #4. Just a shot in the dark.
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Old Jul 17, 2014 | 01:59 PM
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selbher's Avatar
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Default Re: Puzzler - F23A1 symptoms

Thanks. I appreciate your input.
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