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rough start/rough idle/rpm drop and raise
My 89 3.2 has been parked for a few weeks as I have been busy. Started once a week and taken for a little drive. This morning I decided to take it out and it was very rough starting. I had to keep the gas pedal depressed to finally catch. As it sat there idling, the engine felt very rough sort of shaking and did not sound normal. I gave it some gas and held it at about 3000 rpm and keeping it at that steady rpm the tach a few times dropped a bit and then recovered.
It has never done this before and has never idled so rough. Nothing has been done mechanically to cause the change and the gas is probably a month old.
Any ideas???
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1989 911 Carrera Coupe 3.2
2012 BMW 135i M Sport
"It is not how much power you have, it is how much you have left to spare!"
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