RE: [DML] Re: Rough Idle

["John Hervey" <john@xxxxxxxxxxxxxxxx>]

Shannon, & John
Tune up will be in order if they haven't been done. If you could take the
plugs out and read them, that would give you a good indication if a cylinder
is running rich or lean. I would also replace the 02 sensor before adjusting
the fuel mixture screw if you haven't already. That would take out the
seeking at idle. Also, rough idle could be caused by a leaky injector and
fast idle by a vacuum leak.
John Hervey
www.specialtauto.com



-----Original Message-----
From: John Rydholm [mailto:ebondefender@xxxxxxxxx]
Sent: Friday, October 15, 2004 12:16 PM
To: dmcnews@xxxxxxxxxxxxxxx
Subject: [DML] Re: Rough Idle





I have a very similar problem to yours, Shannon. My car usually does
~900-950 idle and has been fluctuating back and forth a bit like it
wants to stall. I have also had times when I step on the gas, and it
accelerated much slower than normal even in 1st. I tried putting fuel
injector cleaner in my tank, and now I'm going to try replacing all 6
sparkplugs with Bosch-platinums. I REALLY hope it's not my fuel pump,
as I have a faint whine behind the dash/hood area. (Of course I
suppose that's an excuse for a Tankzilla or something- if only I
could afford that.)

--- In dmcnews@xxxxxxxxxxxxxxx, "birdwell77095" <birdwells@xxxx>
wrote:
>
>
> My car normally idles at about 900 RPM. In the last couple of days
it
> will drop slightly then rev back up. When I press the accelerator
the
> engine will rev up roughly for about a second before smoothing out.
> Could this be a slight leak in a vacuum hose? This started a day
> after I refueled. Could it be bad gasoline?
>
> Shannon








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