How do I fix a code 63?

Tiny
JIMBO7368
  • MEMBER
  • 1988 BUICK PARK AVENUE
  • 128,000 MILES
Bought car two months ago, and the cruise worked. Already changed the servo and amp under the dash from my 87 Park Ave. Still coming up code 63. What would you suggest? Jim
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Monday, September 19th, 2011 AT 3:54 PM

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Tiny
JDL
  • EXPERT
I looked at a 88-- 3800-- code 63 is egr system. The code doesn't tell you what to replace, just that the system thinks there is a problem on that circuit, somewhere.
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Monday, September 19th, 2011 AT 5:42 PM

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