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

Code 43 on a 1990 accord ex

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Old Nov 12, 2003 | 05:43 PM
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willyboyK20's Avatar
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Default Code 43 on a 1990 accord ex

can anyone lookup the code for me. My hanes only goes up to 42
Or maybe i am reading it wrong, it flashes 4 long times than flashes 3 short times.
I think that i read it right though.

BIG TIA!!!
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Old Nov 13, 2003 | 06:21 AM
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Stew Pidasso's Avatar
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Default Re: Code 43 on a 1990 accord ex (willyboyD16)

Primary Oxygen Sensor heater-circuit malfunction
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Old Nov 13, 2003 | 06:36 AM
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Default Re: Code 43 on a 1990 accord ex (Stew Pidasso)

Isn't 41 the O2 sensor heater? 43 is fuel supply system? Or is the list different for different years? (I don't have a '90.)
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Old Nov 13, 2003 | 07:57 AM
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Default Re: Code 43 on a 1990 accord ex (JimBlake)

For the 90 Accords, 43 is the primary O2 sensor heater...

Taken from...
http://tech.hybridgarage.com/tech/codes.html
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Old Nov 14, 2003 | 06:00 PM
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Default Re: Code 43 on a 1990 accord ex (Stew Pidasso)

it said on there that it is the fuel supply system
i had a mechanic check it out and the vacumn leak that i have been having is the the gasket on the intake manifold needs to be changed
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Old Nov 17, 2003 | 03:42 AM
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Default Re: Code 43 on a 1990 accord ex (willyboyD16)

I don't know about the code being different for '90, but a vacuum leak can mess things up. Fix that first & then see if the code comes back.
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Old Nov 17, 2003 | 04:14 PM
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Default Re: Code 43 on a 1990 accord ex (JimBlake)

I'm an idiot. I was looking at the description above the #43. Yes #43 is a malfunctioning fuel suppply...
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