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Rough running

Tiny
YARDPILOT
  • MEMBER
  • 1987 MERCURY SABLE
  • 6 CYL
  • 2WD
  • AUTOMATIC
  • 170,000 MILES
1987 sable. Runs rough, no power, drinks fuel. Code 89 exhaust heat control. Can't find EGR. Where it looks like it should be on the upper intake/plenum/throttle body is a plate. What's the deal?
Thursday, May 12th, 2011 AT 2:19 AM

1 Reply

Tiny
FIXITMR
  • MECHANIC
  • 9,990 POSTS
Did you locate it? Did someone eliminate it? That's not likely cause of fuel use or the heat riser either. That just lets warm air into intake to prevent freezing conditions during warmup. Have you checked for codes? What color are plugs? When was last time they were changed? Maybe new spark plug wires are needed too?
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Wednesday, August 10th, 2011 AT 5:16 PM

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