cutting out

Submitted by barrybelly on

Forum: 

have a 1990 rocky drives well but cuts out every now and then not fuel as has half tank looks like no fuel in filter blowing back down fuel line in to tank seems to sort problem out for a while does it more after been over rough lane

filth

Submitted by If theres mud i... on

sounds like dirt or something swimming in the tank if blowing it back works, its sucking up something it shouldn't, it might be an idea to take out the fuel tank,or at least drain it, take of the sender unit cover and have a good look/clean, its not overly difficult but if its a bit of rustbucket some of the bolts will most likely shear off, but that's what drills are for. ....

Full of ideas but no time to do them!!

www.bloodredoffroad.com
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theres a drain olug in the

Submitted by mowerman on

theres a drain olug in the bottom of the tank I think, be easier than dropping the tank.
Also change the fuel filter

cheers

Rob

any joy?

Submitted by loftyborofan on

any joy?

2 inch body lift,
2 inch suspension lift
sj steel rims
31x10.5 tyers
volvo radiator and expanstion tank
upgraded hoses!
vw polo 1.3 supercharged webber carb

to do
snorkel designed just to fit

cutting out

Submitted by barrybelly on

did the trick many thanks

Drain the tank at the drain

Submitted by assassin on

Drain the tank at the drain bung and clean out the tank as it is not uncommon for a couple of inches of dirt to accumulate.

Remove the sender unit and check the pick up pipe for corrosion and perforations, and the botton strainer for integrity. If the strainer is damaged it is sucked over the end of the pick up pipe and blocks it, it could also be blocked with debris.
Check the pick up pipe for corrosion and perforations, this is common and as the fuel level drops below the perforated section it will pick up just air and not fuel.

Check the tank breather, follow the rubber pipe to the breather unit. Run the engine until it stops, quickly get out and remove the filler cap, if there is a sudden inrush of air the breather is blocked.
Remove the breather unit, it is basically a ball held in a central position with a spring either side. As the fuel is used the tank vacuum forces the ball one way to let in air, if the tank heats in the sun and expands, it lets pressure out.

Clean thoroughly with penetrating oil as they corrode and accumulate considerable dirt in them, suck and blow until it is free and operates both ways. Lubricate with a little engine oil to stop corrosion. If it cannot be freed then replace it with a small inline fuel filter.

cause of problem

Submitted by barrybelly on

problem was a lot of dirt in tank have drain and cleaned tank many thanks to everyone that helped