how does the advance and retard work on this vehicle

2000 FORD RANGER
140,000 MILES
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TIMOBY
  • MEMBER
  • 1 POST
the ranger will start and tick over,the fuel pump and injectors have been tested and are ok.the problem seems to be on the advance and retard so could you please tell me how that works,there seems to be a problem on the vacuum side of it.
Jan 23, 2012 at 9:43 PM
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RIVERMIKERAT
  • CERTIFIED EXPERT
  • 6,110 POSTS
Timing is advanced under acceleration.
Jan 23, 2012 at 10:10 PM
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FIXITMR
  • CERTIFIED EXPERT
  • 9,990 POSTS
in a vacuum retard system, it normally has vacuum (retarded) until throttle is operated and then vacuum is lowered/lost and allows timing mechanism to advance.
Jan 23, 2012 at 10:18 PM
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