1989 Plymouth Colt BaseFACTORY OEM SERVICE PROCEDURE

Spark Plugs

SPARK PLUG TYPE

Application Nippondenso No.
1.5L (VIN J) (1) RN9YC4
1.5L (VIN X) W20EPR-11
1.6L (VIN Y) W20EPR-11
1.6L (VIN Z) W20EPR
1.8L (VIN T) W20EPR-11
2.0L (VIN V) W20EPR-11
2.4L (VIN W) P20PR-11
2.6L (VIN N) W22EPR-S11
3.0L (VIN S)
Raider W16EPR-11
(1) Champion spark plug.
SPARK PLUG SPECIFICATIONS

Application Gap In. (mm) Torque Ft. Lbs. (N.m)
1.5L (VIN J) .039-.043 (1.0-1.1) 15-21 (20-30)
1.5L (VIN X) .039-.043 (1.0-1.1) 15-21 (20-30)
1.6L (VIN Y) .039-.043 (1.0-1.1) 15-21 (20-30)
1.6L (VIN Z) .028-.031 (.7-.8) 15-21 (20-30)
1.8L (VIN T) .039-.043 (1.0-1.1) 15-21 (20-30)
2.0L (VIN V) .039-.043 (1.0-1.1) 15-21 (20-30)
2.4L (VIN W) .039-.043 (1.0-1.1) 15-21 (20-30)
2.6L (VIN N) .039-.043 (1.0-1.1) 15-21 (20-30)
3.0L (VIN S) .039-.043 (1.0-1.1) 15-21 (20-30)
Factory Service Tools

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.

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