P0308 CHRYSLER code

The P0308 trouble code means that the powertrain control module (PCM) has detected an issue with the ignition of the fuel being provided to cylinder 8. This must usually happen multiple times before a trouble code is stored and the Check Engine Light is illuminated.

What would cause a P0308 code?

P0308 Causes



Misfires can be caused by many reasons from a faulty ignition system, fuel system, or internal engine failure. The most common reason for this to happen is faulty or worn-out spark plug coil packs, especially if it’s been a while since you had a tune-up.

What would cause a cylinder 8 misfire?

Zitat von Youtube: And you get this error code now there are a lot of reasons for a misfire. But we are going to start with a few of the simplest. First it could be that air fuel mixture component. Your engine needs a

How do you fix a cylinder 7 misfire?

What repairs can fix the P0307 code?

  1. Replacing spark plugs that are faulty or damaged.
  2. Replacing damaged spark plug wires.
  3. Replacing damaged coil packs and/or coil pack wires.
  4. Repairing or replacing clogged EGR valves.
  5. Repairing or replacing clogged EGR tubes.
  6. Replacing burned valves.
  7. Repairing or replacing head gasket leaks.
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How do you fix a misfire cylinder 3?

What repairs can fix the P0303 code?

  1. Spark plug replacement for all cylinders.
  2. Replacing the cap & rotor, coil pack, or spark plug wiring as necessary.
  3. Intake air leaks repaired.
  4. Repairing fuel issues.
  5. Mechanical engine issues fixed.


Can you drive with a cylinder 8 misfire?

An engine needs three elements to run: compression, spark, and a precise air/fuel mixture. When an engine cylinder misfires, the root cause originates from an issue with one of these three factors. Driving your vehicle despite one or more of the cylinders misfiring may damage the engine.

How much does it cost to fix a cylinder 8 misfire?

there are two most common misfire causes: Carbon or oil-fouled sparkplugs can cost between $100 and $300; replacing these plugs costs between $400 to $600. You’re going to need to replace sparkplug wires, usually between $100 and $300 if they break down.

How do I fix error code P0308?

Repairs that can fix the P0308 code would include:

  1. Replacing all the spark plugs and wires (and distributor cap and rotor if applicable)
  2. Replacing the distributor.
  3. Replacing the ignition coil(s)
  4. Replacing the fuel pressure regulator.
  5. Repairing a large vacuum leak.
  6. Replacing fuel injectors.

How do you fix an engine misfire?

Zitat von Youtube: So what I'll do is just remove cylinder number two the coil pack place it here and then take this pack. And place it here and start the vehicle. Now.

How do you test a coil pack?

Zitat von Youtube: That's one before you start the car and then you get grab your multimeter. Put it on DC voltage. Ground your black test lead and then on the connector. Side you start checking for voltage.

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How can you tell if a cylinder is misfiring?

Symptoms Of A Misfire

  • Rough Idling. Engines that idle in a clunky or rough manner could be suffering from misfiring. …
  • Sluggish Acceleration. Your car might have trouble reaching adequate speeds if your engine is misfiring. …
  • Engine Sound Changes. …
  • Black Exhaust. …
  • Your “Check Engine” Light Might Illuminate.


Will bad spark plugs cause check engine light to flash?

Your check engine light comes on.



Worn/failed spark plugs, coil packs, or spark plug wires can trigger your check engine light to come on. In today’s cars, say Firestone Complete Auto Care technicians, if a plug starts to fail then the most obvious event should be the check engine light coming on or even flashing.