C2491 Renault Espace 3 OBD Code

OBD/2 C2491 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 C2491 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 C2491, so consult the manual to locate the brake fluid reservoir. Bear in mind that a low fluid level can set code C2491 on some applications, so make sure that on fluid operated systems the fluid level is up to the mark before starting an electrical diagnosis.

C2491 Renault Espace 3 Error Code Repair Process :

When you turn on the ignition, the Service Engine Soon or Check Engine C2491 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 transmission overtemperature condition 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 transmission overtemperature condition.

Common Causes of Renault Espace 3 C2491 OBD2 Code

A common cause of code C2491 is the failure of Transmission Overtemperature Condition, 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 select solenoid
Fuel Injectors circuit poor electrical connection
Variable Camshaft Timing solenoid stuck open

C2491 is a kind of Chassis Trouble Code

Diagnosing chassis noises can be one of the most frustrating problems technicians face. Fortunately, manufacturers have engineered noise, vibration and harshness (NVH) diagnostic techniques and equipment to find the source of the noise.

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

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C2491 Renault Espace 3 OBD Code

C2491 Renault Espace 3 Error Code Repair Process :

Common Causes of Renault Espace 3 C2491 OBD2 Code

C2491 code for other Renault cars