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Slow idle reset to normal speed...How?

797 Views 7 Replies 3 Participants Last post by  cruiser54
I need to set the slow idle to a faster speed and almost cutting out with the heater and lights on in the very cold.

Had some misfire issues with the Crank Position Sensor. Seems ok now cleaned. I read CPS post by cruiser and followed.

Is 'Slow Idle', sensor related? No idea.
Thanks
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Discussion Starter · #3 ·
Hi cruiser 54. No never cleaned 1989 4L throttle body. Looking at the vacuum lines. All rubber connections are missing, pipes are poked in only. Where can I obtain rubber vacuum connectors?
 

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Discussion Starter · #7 ·
Thanks all. Should I replace the MAP sensor. Read fault can cause erratic idle? I remember previously changing 'The Idle Air Control (IAC)'. I am going to try to snug intake manifold bolts, found a very minor leak, could this leak be the issue though?
 
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