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99 E 350 / u1262/ 5.4L cng
Posted to Technical Discussion Forum on 7/13/2010

i have an instant u1262 code that i'm not positive about yet .

the only module on pins 10 and 2 is the cng module . i have comm. with the key on and for a brief time after start up . with the cng module disconnected no comm. is active as there's nothing to t... Login to read more.