electrical or mechanical

[xXrhodieXx]

ok outers i have a stumper for u. My mate has a 84 hilux, one minute it runs like a gem, the next minute, its backfiring and running like a dog. Stopping then starting the thing again seerms to help, so i am leaning toward a coil, who's got some ideas.

[RAY185]

Could be fuel filter too, partial blockage.

[loosecanon]

because we can't see the car and are disadvantage what have you done to diagnose the problem?

[xXrhodieXx]

sorry i should have went further into it, we replaced the fuel filter as a given, tested the pump for flow, all good. Timing is right, air filter all good.Checked all vacuum hose's, the only thing we did before it started playing up was put a new radiator in, but i don't see that changing anything. Thought we might have knocked a vacuum hose off but we checked them all.

[loosecanon]

is the radiator pressurising? sorry about spelling,

[xXrhodieXx]

haven't seen any problems with the cooling system as yet, no pressurising from blown head gasket if thasts what you mean

[RAY185]

Is it a points distributor or electronic? Check/replace points and make sure they are gapped correctly. Replace condensor too if you don't know how old it is.

[xXrhodieXx]

both look brand new, but that was something i was going to look at.