rich-running fuel control concern
P0172 usually means the engine computer may be correcting for a mixture that appears richer than expected.
Article vehicle: 2015-2025 Ford F150 2.7 EcoBoost
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P0172: rich-running fuel control concern
Vehicle-specific published guides for this diagnostic trouble code.
P0172 Diagnostic Guide
P0172 may mean the PCM is seeing bank 1 as too rich and may be correcting fuel delivery in the lean direction as far as it can.
Article vehicle: 2015-2025 Ford F150 2.7 EcoBoost
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P0172 Diagnostic Guide
P0172 means the PCM may be seeing fuel system 1/1 as richer than expected and may be reducing fuel correction to compensate.
Article vehicle: 2019-2024 Ram 1500Classic 3.6PentastarGas
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Fuel System 1/1 Rich
P0172 means the PCM may be seeing Bank 1 fuel control as too rich and may be reducing fuel correction to compensate.
Article vehicle: 2019-2024 Ram 1500DT 5.7HEMIGas
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P0172 Diagnostic Guide
P0172 may mean the PCM is seeing the fuel mixture as richer than expected on fuel system 1/1 and may be reducing fuel correction to compensate.
Article vehicle: 2019-2025 Ram 1500DT 3.6PentastarGas
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Fuel System 1/1 Rich
P0172 means the PCM may be seeing the Bank 1 fuel system run richer than expected or may be receiving feedback that makes it appear rich.
Article vehicle: 2019-2025 Ram 2500HD 6.4HEMIGas
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DTC Fuel System Too Rich Diagnostic Procedure
P0172 means the fuel control system may be seeing a mixture that is too rich.
Article vehicle: 2010-2015 Honda Civic 1.8 Gas
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Fuel System Too Rich
P0172 means the ECM/PCM may be seeing a mixture that is richer than expected and may be reducing fuel correction to compensate.
Article vehicle: 2010-2017 Honda Accord 2.4 Gas
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Fuel System Too Rich
P0172 generally means the PCM may be seeing the mixture as richer than expected and may be reducing fuel correction to compensate.
Article vehicle: 2010-2016 Honda Cr V 2.4 Gas
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Fuel System Too Rich Diagnostic Troubleshooting (1.5L Engine
P0172 means the fuel control system may be seeing a rich condition, where fuel correction can be driven richer than expected.
Article vehicle: 2016-2024 Honda Civic 1.5TurboGas
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Fuel System Too Rich Diagnostic Procedure
P0172 generally means the fuel control system may be correcting for a mixture that is too rich.
Article vehicle: 2020-2025 Honda Cr V 2.0Hybrid
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Fuel System Too Rich
P0172 may mean the PCM is seeing the fuel mixture as richer than expected and is using fuel trim correction to compensate.
Article vehicle: 2018-2025 Honda Accord 2.0Hybrid
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Fuel System Too Rich
P0172 means the engine control system may be seeing a mixture that is richer than expected.
Article vehicle: 2016-2024 Honda Civic 2.0 Gas
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Fuel System Too Rich
P0172 may mean the PCM is seeing a mixture that appears too rich and can respond by pulling fuel trim lower than expected.
Article vehicle: 2017-2025 Honda Cr V 1.5TurboGas
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