Re: Backfiring

[Bill Schooler <schooler@erols.com>]

Ed,

If you still have emission control equipment installed on the car, I would
initially suspect that the gulp valve is malfunctioning.

Bill

fogbro1 wrote:

> All,
>
> Can you help me on this one? 1972 MGB with HIF's backfires during
> shifting while going up through the gears. Only happens when I let off
> the accelerator while shifting up. Otherwise the car runs fine.
>
> Thanks,
>
> Ed Woods