DTC 12

Check Engine Light indicates code 12:
A problem in the Exhaust Gas Recirculation (EGR) circuit.

The Check Engine warning light may come on, indicating a system problem, when, in fact, there is a poor or intermittent electrical connection. First, check the electrical connections, clean or repair connections if necessary.

Exhaust Gas Recirculation (EGR) System (Part 1 Of 5):

Exhaust Gas Recirculation (EGR) System (Part 2 Of 5):

Exhaust Gas Recirculation (EGR) System (Part 3 Of 5):

Exhaust Gas Recirculation (EGR) System (Part 4 Of 5):

Exhaust Gas Recirculation (EGR) System (Part 5 Of 5):