Catalytic Converters
EGR Systems
Check Engine Light
Pontiac Firebird

Service engine soon light comes on after driving 5 miles on 1988 Firebird sensor wire maybe off where is sensoer wire?


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It is usually indicative of the E.G.R. Valve (Exhaust Gasoline Recirculation Valve).

Is your gas mileage way down? I Had E.G.R. Valve replaced and the light no longer comes on.

Good luck. Thank-you for sharing.