What is fault code P0306?
What is fault code P0306?
P0306 indicates that cylinder number 6 is experiencing misfires. A misfire occurs when an insufficient amount of fuel is burning in a cylinder. A misfire from one or more cylinders can be caused by many reasons from a faulty ignition system, fuel system, or internal engine failure.
How is P0306 diagnosed?
Usually, there will be some noticeable signs that accompany a P0306 error code, and they include:
- Illuminated or flashing Check Engine Light.
- Rough or jerking acceleration.
- Low engine power.
- Rough idle.
- Trouble starting the car.
- Odd odor from the engine’s exhaust.
Can I drive with a p0306 code?
An engine misfire can be caused by bad spark plugs or imbalanced air/fuel mixture. Driving with a misfire isn’t safe and can damage your engine.
What is the easiest way to check an ignition coil pack?
How to Test a Faulty Coil Pack
- Open the hood of your vehicle. Disconnect the negative battery cable.
- Disconnect the spark plug wires from the coil pack, one at a time.
- Use an ohmmeter to measure the primary resistance on the coil pack.
- Measure the secondary resistance on the coil pack.
What does p0306 Ford cylinder 6 misfire mean?
P0306 FORD Tech Notes The P0306 code means that the cylinder 6 is misfiring or is randomly misfiring. Start by checking for intake leaks and if no leaks are found the next step is to replace the spark plugs on cylinder 6. If the problem persists more tests needs to be done to diagnose problem, see “Possible Causes” What does this mean?
What to do if your car has a p0306 code?
Use FIXD to scan your vehicle to verify P0306 is the only code present. If other codes are present, they must be addressed first. Check for loose connectors at the ignition coils or for damaged wiring (specifically cylinder 6). Look for loose engine ground wires as well. These can cause random misfire conditions.
What does it mean when spark plug is p0304?
If the misfire moved to cylinder number 4 (P0304), then you have determined that the coil pack is faulty and needs replacement. You can do the same test with the spark plug, i.e., move cylinder 6 plug to say cylinder 3 and if the misfire is now P0303 then the plugs are at fault.
What does P306 and p316 stand for?
Code P306 and P316 both indicate a misfire on cylinder number six. P300 is misfire on unknown cylinder. Car missed and started running very rough. I replaced the coil on plug (COP) and all is fixed. Complete instructions for a Ford Lincoln Mercury V8 found on Crown Victoria, Grand Marquis, Town Car, Mustang, Explorer 4.6L and 5.4L truck.
