Possible causes – EGR Temperature Sensor harness is open or shorted– EGR Temperature Sensor circuit poor electrical connection– Faulty EGR Temperature Sensor– Malfunction of EGR function, EGRC-BPT valve or EGRC-solenoid valve– Blocked EGR passages When is the code detected? An
Possible causes – EGR Temperature Sensor harness is open or shorted– EGR Temperature Sensor circuit poor electrical connection– Faulty EGR Temperature Sensor– Malfunction of EGR function, EGRC-BPT valve or EGRC-solenoid valve Symptoms – Engine Light ON (or Service Engine Soon
Possible causes – EGR Temperature Sensor harness is open or shorted– EGR Temperature Sensor circuit poor electrical connection– Faulty EGR Temperature Sensor– Malfunction of EGR function, EGRC-BPT valve or EGRC-solenoid valve– Blocked EGR passages When is the code detected? An
Possible causes – Faulty Diagnostic Module Tank Leakage (DMTL)– Diagnostic Module Tank Leakage harness is open or shorted– Diagnostic Module Tank Leakage circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P1401 HYUNDAI Description
Possible causes – Faulty Differential Pressure Feedback Electronic (DPFE) sensor– Differential Pressure Feedback Electronic (DPFE) sensor harness is open or shorted– Differential Pressure Feedback Electronic (DPFE) sensor circuit poor electrical connection Tech notes There is a factory service bulletin for
Possible causes – Faulty Differential Pressure Feedback Electronic (DPFE) sensor– Differential Pressure Feedback Electronic (DPFE) sensor harness is open or shorted– Differential Pressure Feedback Electronic (DPFE) sensor circuit poor electrical connection Tech notes Sensor replacement procedure 2001 Ford Focus: Note:
Possible causes – Faulty Differential Pressure Feedback Electronic (DPFE) sensor– Differential Pressure Feedback Electronic (DPFE) sensor harness is open or shorted– Differential Pressure Feedback Electronic (DPFE) sensor circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon
Possible causes – Faulty Differential Pressure Feedback Electronic (DPFE) sensor– Differential Pressure Feedback Electronic (DPFE) sensor harness is open or shorted– Differential Pressure Feedback Electronic (DPFE) sensor circuit poor electrical connection Tech notes There is a factory service bulletin for
Possible causes – Faulty Differential Pressure Feedback Electronic (DPFE) sensor– Differential Pressure Feedback Electronic (DPFE) sensor harness is open or shorted– Differential Pressure Feedback Electronic (DPFE) sensor circuit poor electrical connection Tech notes There is a factory service bulletin for
Possible causes – Fuel tank pressure control solenoid harness is open or shorted– Fuel tank pressure control solenoid circuit poor electrical connection– Faulty fuel tank pressure control solenoid Symptoms – Engine Light ON (or Service Engine Soon Warning Light)
Possible causes – Loose or missing fuel cap– Saturated EVAP canister– Failed EVAP vent solenoid– Failed leak detection module Symptoms – Engine Light ON (or Service Engine Soon Warning Light)
Possible causes – Sub-Throttle Position Sensor harness is open or shorted– Sub-Throttle Position Sensor circuit poor electrical connection– Faulty Sub-Throttle Position Sensor Symptoms – Engine Light ON (or Service Engine Soon Warning Light)
Possible causes – Sub-Throttle Position Sensor harness is open or shorted– Sub-Throttle Position Sensor circuit poor electrical connection– Faulty Sub-Throttle Position Sensor Symptoms – Engine Light ON (or Service Engine Soon Warning Light)