P3720 Lincoln Aviator OBD Code

OBD/2 P3720 error code description and symptoms.

EGR Flow Insufficient Detected The EGR system is monitored during steady state driving conditions while the EGR is commanded on.
The test fails when the signal from the DPF EGR sensor indicates that EGR flow is less than the desired minimum. Vacuum supply EGR valve stuck closed EGR valve leaks vacuum EGR flow path restricted EGRVR circuit shorted to PWR VREF open to D.P.F. EGR sensor D.P.F. EGR sensor downstream hose off or plugged EGRVR circuit open to PCM VPWR open to EGRVR solenoid D.P.F. EGR sensor hoses both off D.P.F. EGR sensor hoses reversed Damaged EGR orifice tube Damaged EGRVR solenoid Damaged PCM Perform KOER self-test and look for DTC P3720 as an indication of a hard fault.

At this point we are assuming that the fuses and relays are good. You will need to locate the PCM/TCM and the power input signal circuit using your vehicle information source. Unplug the connector from the PCM/TCM, place the ignition switch in the ON position, and probe the appropriate circuit with the positive test lead of the DVOM.

P3720 Lincoln Aviator Error Code Repair Process :

If your rightrear sensor circuit short to vbat check engine light is illuminated, it's best to take it in for diagnostic testing, which can feel like a hassle. Because while the lights vary in appearance from vehicle to vehicle, all have the same basic meaning: There's a problem with the car's emissions system. The on-board diagnostics system P3720 and engine control unit are in charge of monitoring a bunch of different rightrear sensor circuit short to vbat, and if they get a reading that's a little out of whack, up pops the check engine light.

Difficulty Level (Easy)

Repair Time (20 Min.)

Cost Prediction : $ 40-75

Common Causes of Lincoln Aviator P3720 OBD2 Code

A common cause of code P3720 is the failure of RightRear Sensor Circuit Short to Vbat, but there are several other possible causes as well, such as ;

• Air fuel ratio (A/F) Sensor 1 Bank 1 circuit poor electrical connection
• Faulty Air Flow Meter
• Damaged VCT phaser
• Open circuits caused by damage to wiring.

P3720 is a kind of Powertrain Trouble Code Powertrain of a modern automobile, comprising engine (with exhaust system), transmission, drive shaft, suspension and the wheels. In a motor vehicle, the term powertrain or powerplant describes the main components that generate power and deliver it to the road surface, water, or air.

P3720 code for other Lincoln cars

You can view according P3720 DTC for your car model. We selected several models to see obd2 solutions click and view it.

• P3720 Lincoln 47 Hp
• P3720 Lincoln Blackwood
• P3720 Lincoln Capri
• P3720 Lincoln Continental
• P3720 Lincoln Cosmopolitan
• P3720 Lincoln Ls
• P3720 Lincoln Mark
• P3720 Lincoln Mark Lt
• P3720 Lincoln Mkr
• P3720 Lincoln Mks
• P3720 Lincoln Mkx
• P3720 Lincoln Mkz
• P3720 Lincoln Navigator
• P3720 Lincoln Neiman
• P3720 Lincoln Premiere
• P3720 Lincoln Sentinel
• P3720 Lincoln Town Car
• P3720 Lincoln V8
• P3720 Lincoln Zephyr

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