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My 99 has very much the same problem, though it usually does not die. What happens is it sputters and runs rough when started after overnight. It's a bit worse if the car is not run for a couple of days. What I have noticed is that for about 1.5 min. after starting the car cold, a high-pitched whining sound comes from the engine compartment behind the passenger seat. Sound like a small fan. (my hearing is not great, so I hope the description is accurate) Once this shuts off (on its own), the car will idle a bit high for a few seconds, and then level off to normal idle. It's generally good to go after this routine, with an occasional stall during driving when I depress the clutch before the engine gets all the way to normal operating temp. The rest of the day, the problem does not exist. I cleaned the MAF, no difference. Have not yet cleaned the throttle body. Curious about the whining fan sound. Wish I knew the name of the part that makes it, and what it is supposed to do. Any thoughts?
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