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1987
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Accord L4-1955cc 2.0L SOHC 2-bbl
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Engine Control Module
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Output Troubleshooting
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Frequency Solenoid Valve A
Frequency Solenoid Valve A
The frequency solenoid valve A, a part of the M-system, gets signals from the oxygen sensor through the
[1]
[2]
control unit
and opens air control valve A whenever the air-fuel mixture is richer than stoichiometric.