Escort L4-116 1.9L SOHC (1991)
PCV Valve Hose: Customer Interest
Engine - Hesitation or Stall In Extreme Cold
Article No.
93-3-5
February 3, 1993
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HESITATION - 1.9L - TEMPERATURES BETWEEN -30 DEGREES F AND -35 DEGREES F (-34 AND -37 DEGREES C) - PCV VALVE
FROZEN
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STALLS - 1.9L - TEMPERATURES BETWEEN -30 DEGREES F AND -35 DEGREES F (-34 AND -37 DEGREES C) - PCV VALVE
FROZEN
FORD: 1991-92 ESCORT
LINCOLN-MERCURY: 1991-92 TRACER
This TSB article is being republished in its entirety to correct the dealer coding basic part number.
ISSUE:
Hesitation or stall in temperatures between -30~ F and -35~ F (-34~ C and -37~ C) after the vehicle has been highway type driven for about an hour may
be caused by the PCV valve, PCV tube or PCV port (intake manifold nipple) freezing.
ACTION:
Replace the PCV valve and PCV tube with a new assembly which is freeze resistant. Refer to the following procedure for service details.
SERVICE PROCEDURE
1.
Remove Tube Assembly-Crankcase Vent Regulator, part number 6758 (any part manufactured in 1991 and 1992 model year). Refer to Figure 1.
2.
Remove Elbow and Valve Assembly-Crankcase Vent Regulator, part number 6B890 (any part manufactured in the 1991 and 1992 model year).
Refer to Figure 1.
