[s-cars] Rough idle?

[brian hoeft]

Kinda sounds ignition/spark related, but can't say for sure. You say O2
sensor*s*, what car are we referring to? You would know better when the
symptom started in relation to component replacement. I've gotten a bad
Beru coil before and found a bad solder too so it's kinda just guessing
online.. Dirty ISV? Bad gas??



On Thu, Nov 17, 2011 at 8:55 PM, Alvin Labonite <alabonite at gmail.com> wrote:

> Getting a rough/stumble when given gas at idle somewhere around 1200-1500
> rpm. Engine vibrates a little and noticeable. But when tach is below that
> range and no gas pedal interaction it's smooth and above that range say
> 1800k and above is fine as well. Car pulls strong and smooth. I haver newer
> OEM coils and brand new POS.. Coolant temp sensor and O2 sensors are new.
> One thing I could think of is vacuum leak - but where?
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-- 
*       -Brian*
      [blinders off&ear <http://208.53.138.125:8068/>plugs out]