ROUGH RUNNING

1987 Mercury Sable

Tiny

Yardpilot

May, 12, 2011 AT 2:19 AM

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?

FOUND 4487 RELATED QUESTIONS

Running Rough

27 ANSWERS
34 IMAGES

Idles Rough/changed Ects

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3 IMAGES

1 Answer

Tiny

fixitmr

August, 10, 2011 AT 5:16 PM

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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