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Home >> Mercury >> 1988 >> Topaz FWD L4-140 2.3L HSC (VIN X) >> Repair and Diagnosis >> Powertrain Management >> Tune-up and Engine Performance Checks >> Idle Speed >> Adjustments

Idle Speed: Adjustments


4-140 & 4-153 High Swirl Combustion (HSC) W/CFI.

If curb idle speed is not within specification, it will be necessary to preform appropriate 4-140 and 4-153 with (HSC) EEC-IV diagnostic procedure.
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