Hello All!
So I've had my 91 318ic for about 2 months now. I'd noticed under cold starts my RPM dips to about 500 rpm for about 1/2 a second and then jumps right back up to around 1,000rpm. Once the cars warm it'll sit where it should (750 - 800rpm). This was something I was gonna look into once I have the car up on blocks in a month (I have new interior, gauge cluster, oil change, steering fluid change, and a few other small line items coming in) I've been driving the car almost every day and that little dip in the RPMs at coldstart was the only thing I've noticed. However last week I went back to my parent's house for a week and left my car at my house.
I come to start it today and it starts shaking violently. While the car was shaking, the RPMs were dipping and I had to throttle it a few times to keep the car from dying. After about 20 seconds the car slowly started to shake less until it was idling smoothly again (about a minute). Once idling smoothly, it stopped shaking completely. I didn't notice anything once the car was warm and on the road. Does anyone know what this could be? I've read through some "car shaking" threads and haven't been able to find one with the same issue. Thanks in advance!
So I've had my 91 318ic for about 2 months now. I'd noticed under cold starts my RPM dips to about 500 rpm for about 1/2 a second and then jumps right back up to around 1,000rpm. Once the cars warm it'll sit where it should (750 - 800rpm). This was something I was gonna look into once I have the car up on blocks in a month (I have new interior, gauge cluster, oil change, steering fluid change, and a few other small line items coming in) I've been driving the car almost every day and that little dip in the RPMs at coldstart was the only thing I've noticed. However last week I went back to my parent's house for a week and left my car at my house.
I come to start it today and it starts shaking violently. While the car was shaking, the RPMs were dipping and I had to throttle it a few times to keep the car from dying. After about 20 seconds the car slowly started to shake less until it was idling smoothly again (about a minute). Once idling smoothly, it stopped shaking completely. I didn't notice anything once the car was warm and on the road. Does anyone know what this could be? I've read through some "car shaking" threads and haven't been able to find one with the same issue. Thanks in advance!
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