P0053 Diagnostic Guide
P0053 may indicate an oxygen sensor heater resistance concern, often involving the heater circuit for an upstream oxygen sensor area.
Article vehicle: 2015-2025 Ford F150 3.5 EcoBoost
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2015-2025 Ford F150 3.5 EcoBoost
System overviews and published DTC guides for this vehicle family.
18 ready guides
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System overviews
Fuel delivery and control system
Fuel Delivery and Control Overview
Learn how low- and high-pressure fuel delivery, pressure and temperature feedback, dual injection, injector circuits, and PCM control work on the 2015-2025 Ford F-150 3.5 EcoBoost.
Engine timing and crank/cam position system
Engine Timing and Position Overview
Learn how crankshaft and camshaft position sensing, PCM synchronization, physical targets, mechanical timing, VCT context, and signal diagnosis work on the 2015-2025 Ford F-150 3.5 EcoBoost.
Oxygen sensor, fuel-trim, and catalyst monitoring system
Oxygen Sensor and Catalyst Monitoring Overview
Learn how upstream and downstream oxygen sensors, heater control, fuel trim, and catalyst-efficiency monitoring work on the 2015-2025 Ford F-150 3.5 EcoBoost.
P0068 Diagnostic Guide
P0068 may mean the PCM sees throttle position and airflow or manifold pressure information that does not agree with expected engine load.
Article vehicle: 2015-2025 Ford F150 3.5 EcoBoost
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Ambient Air Temperature Sensor Circuit A Low
The PCM may be seeing the ambient air temperature sensor signal lower than expected.
Article vehicle: 2015-2025 Ford F150 3.5 EcoBoost
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Ambient Air Temperature Signal
P0073 may indicate that the PCM is seeing the ambient air temperature sensor circuit as high.
Article vehicle: 2015-2025 Ford F150 3.5 EcoBoost
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P0087 Diagnostic Guide
P0087 means the PCM may be detecting that fuel pressure cannot be maintained as expected.
Article vehicle: 2015-2025 Ford F150 3.5 EcoBoost
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P0171 Diagnostic Guide
P0171 often means the PCM may be correcting for a lean condition on Bank 1 by adding fuel until adaptive fuel control reaches its limit.
Article vehicle: 2015-2025 Ford F150 3.5 EcoBoost
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P0183 Diagnostic Guide
P0183 may mean the PCM is seeing the fuel rail temperature sensor circuit as open or shorted to voltage.
Article vehicle: 2015-2025 Ford F150 3.5 EcoBoost
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P0201 Diagnostic Guide
P0201 may indicate a possible problem in one direct fuel injector control circuit on this engine.
Article vehicle: 2015-2025 Ford F150 3.5 EcoBoost
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P0218 Diagnostic Guide
P0218 means the PCM has detected a possible transmission fluid over-temperature condition.
Article vehicle: 2015-2025 Ford F150 3.5 EcoBoost
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P0234 Diagnostic Guide
P0234 generally means the PCM may be seeing more turbocharger boost than expected or commanded.
Article vehicle: 2015-2025 Ford F150 3.5 EcoBoost
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Crankshaft Position Signal Performance
P0335 means the PCM may not be receiving a reliable crankshaft position signal.
Article vehicle: 2015-2025 Ford F150 3.5 EcoBoost
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Camshaft Position Sensor Circuit
P0340 may mean the PCM is not detecting the expected camshaft position signal for the Bank 1, Sensor 1 circuit.
Article vehicle: 2015-2025 Ford F150 3.5 EcoBoost
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P0401 Diagnostic Guide
P0401 may mean the PCM is seeing less EGR flow than expected when the EGR system is commanded on.
Article vehicle: 2015-2025 Ford F150 3.5 EcoBoost
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P0420 Diagnostic Guide
P0420 means the PCM may be seeing catalyst efficiency below the expected level on bank 1.
Article vehicle: 2015-2025 Ford F150 3.5 EcoBoost
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P0455 Diagnostic Guide
P0455 may mean the EVAP system is not sealing or the PCM may not be seeing expected purge flow during the EVAP monitor.
Article vehicle: 2015-2025 Ford F150 3.5 EcoBoost
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P0521 Diagnostic Guide
P0521 may indicate that the PCM is seeing an engine oil pressure sensor signal that is outside the expected behavior for that circuit.
Article vehicle: 2015-2025 Ford F150 3.5 EcoBoost
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P0601 Diagnostic Guide
P0601 may indicate an internal control module memory checksum fault. In this case, the code is associated with the Remote Function Actuator module.
Article vehicle: 2015-2025 Ford F150 3.5 EcoBoost
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P0606 Diagnostic Guide
P0606 can mean the gear shift module may have detected an internal processor reset while the engine was running.
Article vehicle: 2015-2025 Ford F150 3.5 EcoBoost
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