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Posted on Nov 24, 2009
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P0305 what can be the problem - DeVille Cadillac Cars & Trucks

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Jonah Oneal

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  • Cadillac Master 14,092 Answers
  • Posted on Nov 24, 2009
Jonah Oneal
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Code po305 cylinder misfire detected conditions.4 possible causes. 1. air leak in the intake manifold or in the egr or pvc system. 2. base engine mechanical fault that affects only cylinder 5. 3.fuel component fault that affects only cylinder 5 a dirty or sticking fuel injector. 4.ignition system problem coil - plug -that affects only cylinder 5.

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A P0305 code means that the the car's computer has detected that one of the engine's cylinders is not firing properly. In this case it's cylinder #5.

Symptoms may include the engine may be harder to start, the engine may stumble / stumble, and/or hesitate or other symptoms may also be present. Other tips to solve it in the previous fault code link.

A code P0305 may mean that one or more of the following has happened:
Faulty spark plug or wire
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Hope this helps and just keep in mind that your feedback is important and I'll appreciate your time and consideration if you leave some testimonial comment about this answer.

Thank you for using FixYa.
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DTC P0305 Code - Cylinder #5 Misfire Detected
A P0305 code means that the the car's computer has detected that one of the engine's cylinders is not firing properly. In this case it's cylinder #5.

Symptoms may include the engine may be harder to start, the engine may stumble / stumble, and/or hesitate or other symptoms may also be present. Other tips to solve it in the previous fault code link.

A code P0305 may mean that one or more of the following has happened:
Faulty spark plug or wire
Faulty coil (pack)
Faulty oxygen sensor(s)
Faulty fuel injector
Burned exhaust valve
Faulty catalytic converter(s)
Running out of fuel
Poor compression
Defective computer

Hope this helps and just keep in mind that your feedback is important and I'll appreciate your time and consideration if you leave some testimonial comment about this answer.

Thank you for using FixYa.
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What Could the problem be with a P0305 reading?

DTC P0305 Code - Cylinder #5 Misfire Detected
A P0305 code means that the the car's computer has detected that one of the engine's cylinders is not firing properly. In this case it's cylinder #5.

Symptoms may include the engine may be harder to start, the engine may stumble / stumble, and/or hesitate or other symptoms may also be present. Other tips to solve it in the previous fault code link.

A code P0305 may mean that one or more of the following has happened:
Faulty spark plug or wire
Faulty coil (pack)
Faulty oxygen sensor(s)
Faulty fuel injector
Burned exhaust valve
Faulty catalytic converter(s)
Running out of fuel
Poor compression
Defective computer

Hope this helps and just keep in mind that your feedback is important and I'll appreciate your time and consideration if you leave some testimonial comment about this answer.

Thank you for using FixYa.
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