Re: [DML] Rich Mixture + hard start
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Re: [DML] Rich Mixture + hard start



I would start by trying to determine how too much fuel got to your
cylinders in the first place ... my first guess would be a leaky
injector ... could also be a faulty fuel pump or ECU going bad. Also
smell your oil to make sure it hasn't been contaminated by fuel.

Good luck!

Farrar Hudkins
#2613

On 1/2/09, Lee Edmonson <lpedmonson@xxxxxxxxxxx> wrote:
> Okay, so #02566 (automatic) on the Oregon coast has been running just
> fine on its weekly outings until recently on a cold (for the coast this
> is near 32 F) day when I started it normally, and while letting it come
> up to temperature in the garage it started running rough while doing
> its normal idle hunting. This roughness includes lots of black smoke at
> every RPM. I have read through many of the old posts about causes and
> cures and did not see an obvious clue as to what could change sitting
> in a garage for a week.
> This morning it would barely start and is very rough at idle with black
> smoke. I did not let it run very long in this condition, but probably
> had a total of 5 minutes of rich mixture and smoke. The second time I
> tried to start it today it would try to start, but would not quite make
> it. Has the O2 sensor been killed by the rich mixture and should it be
> replaced before moving on to other things? Where is the best place to
> start running down this issue?
> Lee Edmonson
> Vin #02566
>
>
>

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