Hope someone can help here. This engine is actually in a Mastercraft
boat.(The dealership is worthless) Its a `99 5.7 liter with a throttle
body. The engine turns over but wont fire. Plenty of fuel coming up but
nothing getting into the engine. Engine runs fine if we squirt fuel into
it. Any ideas of what to look for?
If the engine runs fine when you "squirt" fuel into it then...you are
Fuel is the issue.
Check for an inline filter between engine and gas tank. Replace. If
do the trick, fuel pump would be next on my list. (you likely needed a
When you say "plenty of fuel coming up" what exactly do you mean by
Where is fuel showing up? Sometimes when a fuel pump goes bad it will
pump fuel, but not enough to maintain required pressure. If you have
pressure at the TB then Id guess its something to do with the
electronic) My money is on the fuel pump....
What type of distributor/ignition module does this thing have? Is it a Delco
with a tall cap? and with two wires going into the distributer between the
cap and base?
When you squirt fuel in does it run and stay running? or die after consuming
If you have adequate pressure at the TB, and you do not get fuel past
it has to be the injectors or whatever is telling the injectors to
I assume you have done a visual...no dirt daubers in the TB? Possibly
up screen or passage in the TB?
If it has a good pump/filter/and pressure at factory specs...Im
Wish I could help more, but Im at my limit of knowledge, and dont mind
If its in a boat...Id be tempted to put a carb on it...
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