Possible causes
– Exhaust Gas Recirculation Valve harness is open or shorted
– Exhaust Gas Recirculation Valve circuit poor electrical connection
– Faulty Exhaust Gas Recirculation Valve
– Exhaust Gas Recirculation Valve clogged
– Exhaust gas leaks
– Exhaust Gas Recirculation Valve circuit poor electrical connection
– Faulty Exhaust Gas Recirculation Valve
– Exhaust Gas Recirculation Valve clogged
– Exhaust gas leaks
Tech notes
In some 1999