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Firebird P0401
Posted to Technical Discussion Forum on 7/10/2018 31 Replies

Good day to all. I have a 3800 V6 Firebird (89K odo) with an emissions failure- check engine light on. Codes on arrival were P1404-EGR closed position pintle fault & P0401- insuff. EGR flow.

Initial tests showed EGR closed position at .93V and the signal was... Login to read more.

31 Replies Received (View Replies)

 

car Vehicle Data

1998 Pontiac Firebird 3.8L

Engine3.8 L
Trans4-speed Automatic (Electronic)

car Vehicle Data

1998 Pontiac Firebird 3.8L

Engine3.8 L
Trans4-speed Automatic (Electronic)