1987 924S Idle Stutter and AFM Unplugged

Description

The car stutters and almost falls flat on its face whenever I start it when it's cold. It only happens when I lightly touch the throttle. It's less obvious if I rev it a little more, but it's still there. When the car is warmed up, it's not as bad, but the problem still exists. If I unplug the AFM, the cars idle stays the same unless I touch the throttle again, then the car just about dies. When the car is completely warmed up, and I unplug it, the car dies. I was unable to unplug the DME temp sensor, but I will attempt that another day and see what happens. I did not want to rev the car hard since it was not warmed up all the way.

Keywords

automatic, 944, 924S, porsche, 1987, late, model, guards, red, idle, problem, issue, tachometer, air, flow, meter, afm, mass, maf, dme

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