[s-cars] SAAB question

[Vincent Frégeac]

Hi all,
 
A quick question for a friend’s SAAB. When the car have been started
cold, driven for 3-5 min., and stopped, it won’t start again. I takes
12h or more before it starts. It doesn’t do that when it has been driven
for 15 min. or more, or just started and stop. Fuel pump and filter are
recent, spark plugs are new, spark plug wires have no reaction to water
spray and, last hint, when you try to start the car after a 3-5 min.
drive, the spark plugs become full of carbon black.
 
Any idea? I’m quite puzzled, the usual SAAB mechanic and the SAAB dealer
too.
 
 
 
Vincent.

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