P1CA4 Honda Acura Rdx OBD Code

OBD/2 P1CA4 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 P1CA4 as an indication of a hard fault.

Some systems require that the actuator has an adequate supply of brake fluid. Low brake fluid levels can mimic the symptoms of code P1CA4, so consult the manual to locate the brake fluid reservoir. Bear in mind that a low fluid level can set code P1CA4 on some applications, so make sure that on fluid operated systems the fluid level is up to the mark before starting an electrical diagnosis.

P1CA4 Honda Acura Rdx Error Code Repair Process :

When you turn on the ignition, the Service Engine Soon or Check Engine P1CA4 light should flash briefly, indicating that the OBD system is ready to scan your vehicle for any malfunctions. After this brief flash, the light should stay off while you drive as long as no problems are detected. If so, you'll be glad to know that your vehicle is equipped with an early warning system that could save you time, money, and fuel in addition to helping protect the .

Common Causes of Honda Acura Rdx P1CA4 OBD2 Code

A common cause of code P1CA4 is the failure of , but there are several other possible causes as well, such as ;

Air fuel ratio (A/F) Sensor 1 Bank 1 circuit poor electrical connection
Camshaft Position Sensor harness is open or shorted
Air fuel ratio (A/F) Sensor 1 Bank 1 harness is open or shorted
Open circuits caused by corrosion of electrical connectors.

P1CA4 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.

Engine OBD 2 Codes website is a freeware resource center for engine trouble codes.

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P1CA4 Honda Acura Rdx OBD Code

P1CA4 Honda Acura Rdx Error Code Repair Process :

Common Causes of Honda Acura Rdx P1CA4 OBD2 Code

P1CA4 code for other Honda cars