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Vrabbit
09-24-2009, 22:15
Hello Guys!

I would like to ask you maybe somebody could give me a good advice, one of a friend of mine have a 96 6.5 TD Vin F 4x4 Suburban, and the truck a few days ago on the highway just stops and the only trouble code came out is P1643. And the truck won't start from that day!

My truck is a 94 6.5 TD Vin S 4x4 Pickup and that cause I don't have to much experience with OBD-II system.
I found a few writings about this code but maybe somebody have a closer experience with this failure.

Thank you ahead every advice!

Regards: Gyula Vasvari from Hungary