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HOMESERVICE MANUALSPLYMOUTH1994COLT VISTA SE, STANDARDREPAIR AND DIAGNOSIS (SINGLE PAGE)ENGINE PERFORMANCETESTING & DIAGNOSISENGINE CONTROLS - TESTS W/O CODESSYMPTOMSDIFFICULT TO START/NO START (CRANKS OKAY)
1994 Plymouth Colt Vista SE, Standard

Difficult To Start/No Start (Cranks Okay)

1994 Plymouth Colt Vista SE, StandardSECTION Difficult To Start/No Start (Cranks Okay)
  • Check idle speed control servo (if applicable).
  • Check stepper motor (if applicable).
  • Check ignition switch.
  • Check camshaft position sensor.
  • Check crankshaft position sensor.
  • Check park/neutral position switch (A/T).
  • Check airflow sensor.
  • Check coolant temperature sensor.
  • Check power supply to ECM ground.
  • Check fuel pressure.
  • Check for disconnected or damaged vacuum hoses.
  • Check for control relay malfunction.
  • Check for MFI system malfunction.
  • Check for fuel pump drive control system malfunction.
  • Check for ignition coil malfunction.
  • Check for ignition timing malfunction.
  • Check for power transistor malfunction.
  • Check for fuel injector malfunction.
  • Check for ECM malfunction.
  • Ensure electrical harness, connectors and wires are not broken or loose.
RENDER: 1.0x

NO RELATED

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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.