Intermittent cruise control

Tiny
91CIVICLXDRIVER
  • MEMBER
  • 1991 HONDA CIVIC
  • 1.5L
  • 4 CYL
  • 2WD
  • AUTOMATIC
  • 189,000 MILES
LX model. Cruise control works intermittently.
Wednesday, January 3rd, 2018 AT 3:14 PM

1 Reply

Tiny
HARRY P
  • MECHANIC
  • 2,292 POSTS
On an older car like this one, cruise control relies on vacuum pressure. If there is a vacuum leak somewhere, it will cause the cruise control to be less than reliable. So go ahead and inspect your system for vacuum leaks.

Here is a how-to guide on that:

https://www.2carpros.com/articles/how-to-use-an-engine-vacuum-gauge

Also, I am attaching ALLData's checklist on cruise control for that car. Please let us know what you find.
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Thursday, January 4th, 2018 AT 4:53 AM

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