P2143

EGR Vent Control Circuit/Open

Severity

⚠️ Medium

Can you drive?

Yes, but get it checked soon

Approx. repair cost

$17–89 (est.)

Symptoms

Check Engine light comes on
Reduced engine power
Unstable engine idling
Increased fuel consumption
Dips during acceleration

Causes

Broken or damaged wiring in the EGR control circuit
EGR solenoid valve malfunction
Poor contact in EGR circuit connectors
Engine control unit malfunction
Mechanical failure of the EGR valve

How to Fix

Check the integrity of the wiring in the EGR control circuit
Check EGR valve connections and connectors
Test EGR valve resistance
Replace faulty EGR valve if necessary
Reset the error code and check the system

Related codes

P0401 P0403 P0404