500efi backfired?
#1
500efi backfired?help needed
bought used boat, when running on hose ,cold natured, not much throtle responce, blip throtle off idle to about 1500 backfired up into intakewater temp was around 130-140,what do you think?
thanks rob
thanks rob
Last edited by Strip Poker 388; 04-20-2002 at 03:19 PM.
#2
Platinum Member
Platinum Member
possibly injectors need cleaned.
possibly timing needs set.
possibly needs plug wires.
Most likely just needs a new water separator filter and a tank of fresh gas run thru it.
M
possibly timing needs set.
possibly needs plug wires.
Most likely just needs a new water separator filter and a tank of fresh gas run thru it.
M
#7
cked the dist was dry,ck all conections ecept the ecu willtry next,the swap the ucu with other motor, ran merc scan tool no codes,replacing plugs ,caps ,rotors ,water seperators tonite see what happens,it was poping trying to get on plane just on one motor,other was fine,motors have 50 hours,has fresh gas with heet and fuel injector cleaner in it,new boat blues?