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Honda Civic / Del Sol (1992 - 2000) EG/EH/EJ/EK/EM1 Discussion

code 21 and 22

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Old 07-31-2005, 08:47 AM
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Default code 21 and 22

my car is throwing a code 21 and 22... i took the whole assembly off of another d16z6 that didnt have the CEL on.. still got the CEL, so i swapped ECU's... code 21 went away for a day.. came back.. now i'm lost... anyone got a pinout diagram for d16z6 with stock ECU? my cars a 95 CX and apartently came with the SI harness... i found this https://honda-tech.com/zerothread?id=1171263 but thats for swapping in a b16...
Old 07-31-2005, 08:58 AM
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Default Re: code 21 and 22 (disposable)

ok i just unplugged my ECU to look at the pins... now code 21 is gone again and only have code 22
Old 07-31-2005, 06:12 PM
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Default Re: code 21 and 22 (disposable)

Anyone know why when i unplug the ECU it gets rid of the code then comes back?
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