How old is the cap, rotor, plugs, and wires???
Nick
Hey guys, hope someone can help me out....
>
> I have a '95 TBI pickup with a 305. It has been running great for a while
> but occasionally, it has started to backfire through the intake at low RPM
> when trying to accelerate. The rest of the time it runs fine.
> This problem has started to happen more frequently and now when its in
> its backfiring mode it will idle and run a little rough.
> It seems to be temperature related also. Doesn't do it when cold, and
> usually happens after driving on the freeway for a bit, and driving back on
> surface streets it'll often backfire. It is definatly an on-or-off problem.
> no in between...
>
> I've checked for vacume leaks, checked and cleaned the EGR valve, replaced
> the fuel filter and looked for loose electrical fittings under the hood,
> With no improvement.
>
> Also, when its running poorly it'll bog and backfire at low RPMs, run rough
> up to about 2500, then clear right up and run strong above 3000. >
> Any answers or ideas what to look for????
>
> Thanks a lot, Brian.
>
>
> --
> Brian C. Moore
>
>