ford Workshop Repair Guides

Ford Workshop Service and Repair Manuals

PCV Valve/Purge Valve - Hesitation/Runs Rough|Page 3747 > < Auxiliary Fuel Bowl Vent Tube|Page 3738
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Canister Purge Control Valve: Customer Interest
PCV Valve/Purge Valve - Hesitation/Runs Rough

Article No. 84-11-9

HESITATION/RUNS ROUGH (3.8L 2V CARBURETOR) - ON START-UP - DRIVEAWAY WITH WARM ENGINE

FORD 1984 LTD

LINCOLN-MERCURY 1984 MARQUIS

CALIBRATION: 4-14B-R11 (2V Carburetor)

Vehicles which exhibit hesitation (intermittent) or rough running engine on warm engine start-up and driveaway (after engine hot soak) can be serviced
by installing a 0.070" restrictor in the purge hose between the PCV valve and purge valve.

FIGURE 7

Cut the purge line between the PCV valve and the purge valve and install a 0.070" restrictor (D8AZ-9K319-A) (See Figure 7).

PCV Valve/Purge Valve - Hesitation/Runs Rough|Page 3747 > < Auxiliary Fuel Bowl Vent Tube|Page 3738