[Miata] FW: Running rough after storage

[cagecko at comcast.net]

I really doubt you need to drain your fuel... it won't go bad that quickly under normal conditions.  My first step would be to pull the plugs and inspect them to see if one of them looks wet (unburned fuel).. perhaps it's a bad/fouled plug, or a bad plug wire.. ? 
 -------------- Original message ----------------------
From: Richard M Sorrentino <rsorrent at uwo.ca>
> Here is a problem from one of my club members. Your advice would be
> appreciated.
> Dick and Saph 10 AE
> 
> 
> 
> I haven't had a chance to diagnose this problem but I thought I would ask
> people on this forum before I started inspecting things.
> 
> Our 2001 Miata was stored last fall with a full tank of fuel and fuel
> stabilizer added and the battery was removed.  I put the battery back in two
> weeks ago and started the car - it fired right up.  Last night I went to
> take the car out of the garage where it was stored.  I turned it over but it
> would not fire up.  I boosted the battery and it did start up although it
> ran roughly.  I took the car out to the driveway and let it idle.  About 5
> minutes later it stalled but started right up.  We took the car for a ride
> around the block and at every stop sign it seemed to want to stall (but
> didn't every time).
> 
> I took the car home and it ran a bit rough.  Once at home I opened the hood
> and held the throttle to a fast idle (about 1500 rpm).  It ran smoothly for
> about a minute then it would stumble and run smooth again.  This rough
> running would repeat itself for the next few minutes.  It was getting late
> so I shut it off and decided to have a look at it over the weekend.
> 
> Any ideas what may be going wrong?  This weekend I will drain and refill the
> fuel, install new plugs and generally check wires, vacuum lines and do an
> engine scan to see if any codes have been recorded.
> Any input would be appreciated.
> 
> Thanks
> 
> Vic
> 
> 
> 
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