P046D OBD-II: Exhaust Gas Recirculation Sensor "A" Circuit Intermittent/Erratic

P046D Severity

Moderate

Will P046D go away on its own?

Once the vehicle's onboard system no longer detects the issue, most codes will disappear on their own. If your vehicle still has this code, however, it should be properly diagnosed to avoid a more serious problem.

For a proper diagnosis, RepairPal Certified shops have the equipment, tools, and expertise.

Moderate severity codes might not threaten the vehicle's safety or functionality immediately, but you should still get it diagnosed within a reasonable time frame to keep your car running well.

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What causes OBD-II fault code P046D?

EGR (Exhaust Gas Recirculation) systems are used to reduce the combustion temperature, thus reducing emissions. If the engine control module (PCM) does not detect the amount of flow requested from the EGR, it will set code P046D.

OBD II Fault Code

OBD II P046D

OBD-II Code Decreased engine performance is defined as a Exhaust Gas Recirculation Sensor "A" Circuit Intermittent/Erratic

Decreased engine performance Symptoms

Decreased engine performance
Increased fuel consumption

Common Problems That Trigger the P046D Code

EGR valve failure
Powertrain Control Module (PCM) failure
Wiring issue

Common Repairs Needed for the P046D Code

EGR Valve Replacement

OBD Code Resources

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OBD II Fault Code

OBD II P046D

OBD-II Code Decreased engine performance is defined as a Exhaust Gas Recirculation Sensor "A" Circuit Intermittent/Erratic

Decreased engine performance Symptoms

Decreased engine performance
Increased fuel consumption

Common Problems That Trigger the P046D Code

EGR valve failure
Powertrain Control Module (PCM) failure
Wiring issue

Common Repairs Needed for the P046D Code

EGR Valve Replacement

P046D OBD-II: Exhaust Gas Recirculation Sensor "A" Circuit Intermittent/Erratic

Will P046D go away on its own?

What causes OBD-II fault code P046D?

Need a P046D diagnosis? Trust our experts.

OBD II Fault Code

Decreased engine performance Symptoms

Common Problems That Trigger the P046D Code

Common Repairs Needed for the P046D Code

OBD Code Resources

Ask our experts about P046D.

Other OBD-II Codes

OBD II Fault Code

Decreased engine performance Symptoms

Common Problems That Trigger the P046D Code

Common Repairs Needed for the P046D Code