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1994 Plymouth Sundance No Start

1994 PLYMOUTH
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CYNCOVLIN
  • MEMBER
  • 1 POST
:?: I have been working on a Ply mouth sundance trying to get it to start it just will not start !!! I hva eput in a new battery, I have put on a new Distributor Cap, and a new ignition coil, yet it still doe nothing it sounds to me like it not getting any fire. Someone plese help !!!
Jul 17, 2006 at 9:34 AM
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MIKEYBDMAN
  • ✓Experienced Mechanic
  • 623 POSTS
which engine you got? 2.2L 2.5L 3.0L?
Jul 17, 2006 at 9:53 AM
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MIKEYBDMAN
  • ✓Experienced Mechanic
  • 623 POSTS
I did find a Hall-Effect pick-up sensor that rides on the rotor button in the distributor that syncs the fuel injectors. Thing is, if the Powertrain control Module doesnt detect pulses from the sensor, the PCM deactivates the Auto Shut Down (ASD) and fuel pump relays, interrupting voltage to the fuel pump, fuel injectors, and ignition coil, (resulting in a no start condition).
Not sure if this is your problem or not. but the info may help you trouble shoot.
Jul 17, 2006 at 10:13 AM
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PWKENDALL
  • MEMBER
  • 11 POSTS
If the timing belt is broken it wont start.take the distributor cap of and see if the distributor moves when cranking the engine.
Aug 10, 2006 at 3:31 PM
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Suggested Repair

Identify the engine size. Check the distributor Hall-effect pickup: if the PCM detects no pulses, it can shut off the ASD and fuel pump relays and cut power to the fuel pump, injectors, and ignition coil. Also remove the distributor cap and confirm the distributor turns while cranking; no movement can indicate a broken timing belt.

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Conversation Summary

The owner of a 1994 Plymouth Sundance cannot get it to start and suspects no spark after replacing the battery, distributor cap, and ignition coil. An expert asked which engine it has and explained that a failed distributor Hall-effect pickup can cause the PCM to disable the ASD and fuel pump relays, cutting voltage to the fuel pump, injectors, and coil. Another reply suggested checking whether the distributor rotates while cranking to rule out a broken timing belt.

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