1991 Plymouth Colt Base, AutomaticFACTORY OEM SERVICE PROCEDURE

Engine/VIN Id: Applications

MODEL COVERAGE (CHRYSLER MOTORS)

Model Body Code (1) Engine (2) Engine ID (3) Fuel System Ignition System (4)
Colt U 1.5L SOHC (6) A PFI Optical
Colt 200 (5) U 1.5L SOHC (6) A PFI Optical
Colt Vista G, H 2.0L SOHC (7) V PFI Optical
Ram 50 L, M 2.4L SOHC (8) W PFI Optical
Ram 50 L, M 3.0L V6 SOHC (9) S PFI Optical
Stealth D, E 3.0L V6 SOHC (9) S PFI Optical
Stealth D, E 3.0L V6 DOHC (9) B PFI DIS
Stealth D, E 3.0L V6 DOHC Turbo (9) C PFI DIS
Summit U 1.5L SOHC (6) A PFI Optical
(1) Body Code is 5th digit of VIN. VIN is located on upper left corner of instrument panel.
(2) See ENGINE CODE LOCATION.
(3) Engine ID is 8th digit of VIN.
(4) Ignition timing is computer controlled. On all models with Distributorless Ignition System (DIS), crank angle sensor is mounted where distributor is normally mounted.
(5) Canadian model.
(6) 4G15 engine.
(7) G63B engine.
(8) 4G64 engine.
(9) 6G72 engine.
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:

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

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