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HOMESERVICE MANUALSPLYMOUTH1994VOYAGER LE, 3.3 RREPAIR AND DIAGNOSIS (SINGLE PAGE)ENGINE PERFORMANCETESTING & DIAGNOSISENGINE CONTROLS - TESTS W/CODES - 3.3L GASOLINENO-START TESTSTEST NS-1A - QUALIFYING NO-START CONDITION
1994 Plymouth Voyager LE, 3.3 R

Test NS-1A - Qualifying No-Start Condition

1994 Plymouth Voyager LE, 3.3 RSECTION Test NS-1A - Qualifying No-Start Condition
  1. Attempt to crank engine. If engine does not crank, go to TEST NS-9A  . If engine cranks, turn ignition off. Turn ignition on, but DO NOT crank engine. Using DRB, read Distributorless Ignition System (DIS) signal. If DRB detects crankshaft signal, replace crank sensor. Perform TEST VER-1  .
  2. If DRB does not detect crank signal, but detects camshaft signal, replace cam sensor. If DRB does not detect crankshaft or camshaft signal, observe DRB display while cranking engine. If DRB does not display both CRANK and CAM, go to TEST TC-2A. If DRB displays both CRANK and CAM, go to next step.
    CAUTION: When checking for spark, Powertrain Control Module (PCM) damage may occur if spark plug cable is held more than 1/4" away from ground.
  3. Turn ignition off. Disconnect any spark plug cable at spark plug. Insert an insulated screwdriver in spark plug cable terminal. Hold screwdriver within 1/4" of ground.
    NOTE: When checking for spark, consider one or two sparks as a no-spark condition.
  4. While cranking engine for 10 seconds, watch for spark. If a good spark occurs, go to TEST NS-2A. If a good spark does not occur, reconnect spark plug cable. Disconnect another spark plug cable at spark plug, and repeat test.
  5. If a good spark occurs, replace spark plug cable that was initially used to test for spark. If a good spark does not occur, disconnect ignition coil connector. Inspect all related wiring and connectors, and repair as necessary. Perform TEST VER-1. If no problems were found with wiring and connectors, replace ignition coil. Perform TEST VER-1.
RENDER: 1.0x

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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.