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Writer/Teacher
Join Date: Mar 2001
Location: Wandering Connecticut
Posts: 9,294
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Volvo stumbled and died a couple times - spark or fuel?
On the drive home today, the Volvo stumbled and died a couple times. I noticed that the idle felt a little weird at a stoplight, almost as if one cylinder was missing. Then it stumbled and died. I started her back up - it took more cranks than usual, but it started.
It ran fine for a few more minutes, then stumbled and died again coming around a corner. It started up again, but again took more cranks than usual. Once again, at the next stop light, the idle felt erratic, as if a cylinder were occasionally missing... it felt like one drop of revs every few seconds, as if the cylinder were firing correctly most of the time.
The only other time I recall the car having this kind of idle -maybe about a week ago- it was raining out. It is also raining today. A connection there?
Do we think this is a spark problem, a fuel problem, or other? My first instinct says "replace spark plugs," but anything else I might want to try first?
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Current Stable: Black 07 Porsche 987 Cayman S: Long-Tube Headers; FabSpeed Exhaust; VividRacing ECU Tune; IPD Plenum; 997GT3 Throttle Body. Blue 1983 Porsche 928S. 1985.5 Porsche 944 Rat Rod. 2011 Acura MDX. 2008 Mazda 3. Gone But Not Forgotten:Garnet Red 86 Porsche 951("The Purple Pig"). Alpine White 83 Porsche 944 ("Alpine Wolf"). Guards Red 84 Porsche 944.
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