[DML] Re: Sputter and Cough! - All the way home.....
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[DML] Re: Sputter and Cough! - All the way home.....





It Kinda sounds like it could be a Cold start valve problem,or 
possible Co adjustment to rich,or even a Lambda ECU malfunction or 
sensor problem,also check these three other items for proper 
function,the Lambada Micro-switch,(for idle speed)the frequency 
valve,and the thermal vacuum control valve(for the bad gas mileage)
For the bad running engine,check the the control pressure being to 
high,or possible injectors not spraying correct,or possible micro-
switch problems,or it could be a simple thing like a 
bad/malfunctioning ignition coil,or a sticky air flow sensor.

Hope this helps
Claude



--- In dmcnews@xxxxxxxxxxxxxxx, "outatime81" <outatime81@...> wrote:
>
> On my way home from the Northeast Exotic show, my car started to 
> sputter and cough blowing out a light black smoke.  I went through 
> 3/4 of a tank of gas in about 60 miles.  Sounds like it's running 
too 
> rich and blowing through gas.
> 
> It would sometimes "catch" a good breath and smooth out only to 
begin 
> a downward spiral with even pressure on the gas pedal.  I was 
losing 
> power, but then when I would "punch it" it would sputter up to 
speed 
> while putting out the light colored black smoke.  This was 
happening 
> periodically for the past 4 weeks only in the mornings.  I thought 
it 
> was either bad gas or a clogged fuel filter (which I replaced at 
the 
> beginning of the season).  Seeing how much gas it used in the last 
60 
> miles of my trip I don't think that's the problem.  Idle was ok for 
> the most part with a few stalls at traffic lights.  It started 
right 
> up however.
> 
> Any ideas?  O2 sensor?
> 
> Thanks
> 
> Tom
>




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