1993 Kia Pride hesitation/vibration

Tiny
WENSLY
  • MEMBER
  • 1993 KIA PRIDE
  • 1.1L
  • 4 CYL
  • FWD
  • MANUAL
  • 50,000 MILES
My engine hesitates and vibrates even @ low gears
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Sunday, August 10th, 2014 AT 9:53 PM

3 Replies

Tiny
CARADIODOC
  • EXPERT
Engine vibration is a sign of a misfire. How long since the spark plugs and wires were replaced?
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Sunday, August 10th, 2014 AT 10:09 PM
Tiny
WENSLY
  • MEMBER
My spark plugs are newly replaced but not the wires
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Sunday, August 10th, 2014 AT 10:20 PM
Tiny
CARADIODOC
  • EXPERT
Without having the benefit of a proper diagnosis, I'd replace the wires first before assuming the cause of the vibration is serious. Collapsed engine mounts can transfer normal engine vibration into the passenger compartment, (and it won't FEEL normal), but that doesn't explain the hesitation.

The next step would be to ground one spark plug wire at a time while the engine is idling to see if one doesn't cause the vibration to get worse. That would identify the cylinder that isn't working. From there you can also swap the injector from that cylinder with one of the other ones to see if the misfire moves to the other cylinder.
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Sunday, August 10th, 2014 AT 10:37 PM

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