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CEL 43 tried almost everything

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Old 07-26-2011, 10:44 AM
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Default CEL 43 tried almost everything

I have a del sol with a D15B7 with code 43 for Fuel Supply System, changed o2 sensor, fuel pressure with vacuum hose disconnected is at 43 psi (i thought it was high for a d-series), air filter is new, no problems in the motor, no bogging or nothing like that.
Any help would be appreciated.
Old 07-26-2011, 12:35 PM
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Default Re: CEL 43 tried almost everything

If there are no performance problems, then the O2 sensor is the prime suspect. Did you install an OEM sensor? Is code 1 also thrown?
Old 07-26-2011, 01:14 PM
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Default Re: CEL 43 tried almost everything

o2 sensor was borrowed from a buddy of mine that he passed smog with (so its good) and yes it was oem....NO other codes just 43
Old 07-26-2011, 01:18 PM
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Default Re: CEL 43 tried almost everything

Did you reset the ECU after installing the O2 sensor?
Old 07-26-2011, 03:14 PM
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Default Re: CEL 43 tried almost everything

Yea nd it poped up again..
Old 07-26-2011, 09:53 PM
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Default Re: CEL 43 tried almost everything

help please!
Old 07-27-2011, 01:19 AM
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Default Re: CEL 43 tried almost everything

https://honda-tech.com/forums/hybrid-engine-swaps-18/%5Bfaq%5D-%22my-vtec-doesnt-work%22-1812135/

at the very end of the trouble section there is a guide on code 43
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