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P1164 Honda

P1164 Honda - Air/Fuel Ratio Sensor 1 Range/Performance Problem

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P1164 Honda Comments |  Add Comment
Possible causes
- Faulty Air/Fuel Ratio Sensor 1
- Air/Fuel Ratio Sensor 1 harness is open or shorted
- Air/Fuel Ratio Sensor 1 circuit poor electrical connection
Help with Possible causes What does this mean?
Tech notes
There is a factory service bulletin for the following Honda models:

1998 Honda Accord
1999 Honda Accord
2000 Honda Accord
2001 Honda Accord
2002 Honda Accord
1998-2002 Honda Accord Factory Service Bulletin OBDII Code P1164

2002 Honda CR-V
2002 Honda CR-V Factory Service Bulletin OBDII Code P1164
Help with Tech Notes What does this mean?
When is the code detected?
If the element is not activated or the Engine Control Module (ECM) terminal voltage is a set value or less for at least a set time period when the power is drawn to the A/F sensor (sensor 1) heater, a malfunction is detected and the code is stored.
Possible symptoms
- Engine Light ON (or Service Engine Soon Warning Light)
P1164 Honda Description

The Air/Fuel Ratio (A/F) sensor 1 is installed in the exhaust system and detects oxygen content in the exhaust gas. The A/F sensor transmits output voltage to the Engine Control Module (ECM). A heater for the sensor element is embedded in the A/F sensor (sensor 1). It is activated and heats the sensor to stabilize and speed the detection of oxygen content by controlling current flowing through the heater. An increase in the current levels off as the applied voltage to the element electrode reaches a certain range because the amount of oxygen which is led through the diffusion layer is limited. The current amperage is proportional to oxygen content in the exhaust gas, so the air/fuel ratio is detected by the measurement of the current amperage. The ECM compares a set target air/fuel ratio with the detected air/fuel ratio and controls the fuel injection timing.

If the A/F sensor (sensor 1) voltage is low, the air/fuel ratio is lean, and the ECM uses A/F feedback control to issue a Rich command. If the A/F sensor (sensor 1) voltage is high, the air/fuel ratio is rich, and the ECM uses A/F feedback control to issue a Lean command.

P1164 Honda Information for specific Honda models
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HONDA Technical Service Bulletins for P1164 code
2002 HONDA CR-V Engine And Engine Cooling:engine Details
2002 HONDA CR-V 061000 Engine And Engine Cooling:engine Details
1998 HONDA ACCORD Electrical System:ignition:module Details
1999 HONDA ACCORD Electrical System:ignition:module Details
2000 HONDA ACCORD Electrical System:ignition:module Details
More Bulletins Help with Technical Service Bulletins What does this mean?
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