1989 Cadi Problem

Tiny
DLMKMADELONG
  • MEMBER
  • 1989 CADILLAC DEVILLE
  • V8
  • AUTOMATIC
  • 100,835 MILES
Driving down the road it will just stop. It will start right up. Drive for a bit and then die again.
Saturday, December 4th, 2010 AT 2:43 PM

1 Reply

Tiny
FACTORYJACK
  • MECHANIC
  • 4,159 POSTS
Does it coincidentally die when the throttle is let to rest, it could be a faulty nose switch in the ISC motor. If it does not open showing that the throttle has lifted, it will try and control the increasing engine speed by retracting the ISC pushrod all the way. The result is an abrupt closing of the throttle plates and a stall.
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Sunday, December 5th, 2010 AT 12:09 AM

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