B
Badger
Guest
"Paul S. Brown" <[email protected]> wrote in message
news:[email protected]...
> A friend of my wifes has asked me to take a look at their 1986 RRC which
has
> a problem which is that intermittantly it loses power and dumps large
> amounts of black smoke out the back end of the car and occasionally stalls
> at idle.
>
> They had the coil changed and this helped for 2 days before the problem
came
> back again. The plugs have all been changed and one garage it was into
> removed the cold start injector which seemed to help a little.
>
> I've never played with an EFI and so don't know the "normal" problems they
> suffer from.
>
> Given that this problem sounds like massive overfuelling
More than likely, from the sounds of it. Possibly the ecu temp sender
throwing a wobbly or a bad connection to it?
> or a major ignition
> problem I'm leaning towards something being up with the distributor -
> either the advance/retard doing stupid things and throwing the timing
badly
> off or the spark being particularly poor.
Could also be the ignition module on the side of the dizzy, they can do
weird things when they get old as they lead a hard life in that hot,
vibrating home of theirs!
> Any other ideas? The last resort is obviously to rip the whole EFI
shooting
> match off and fit carburettors, but that's a big job
No sh1t, sherlock! Remember to also factor in replacement of the pump or
the carbs'll just flood, and also the fact that the cam is a different
profile and simply fitting carbs will result in incorrect fuelling.
> and it means getting
> large chunks of carburetted V8 engine which will probably cost more than
> it's worth by the time labour is factored in (I am *not* replacing the top
> of a V8 again - once is enough)
Chicken! LOL.
Badger.
B.H.Engineering.
Rover V8 engine specialists.