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Re: 91 Le Sabre codes 55 and 56
Posted to Technical Discussion Forum on 10/18/2005 1 Reply

also found this. 92-93 3.8L & 3.8L Supercharged

55 Exhaust Gas Recirculation (EGR) Fault

56 Quad-Driver "B" (QDM) Fault

But nothing for a 91 with those codes. Login to read more.

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