P0306 MERCURY Code - Cylinder 6 Misfire Detected
|P0306 MERCURY code possible causes
- Faulty spark plug 6
- Clogged or faulty fuel injector 6
- Faulty ignition coil 6
- Fuel injector 6 harness is open or shorted
- Fuel injector 6 circuit poor electrical connection
- Ignition coil 6 harness is open or shorted
- Ignition coil 6 circuit poor electrical connection
- Insufficient cylinder 6 compression
- Incorrect fuel pressure
- Intake air leak
|How do I fix the P0306 MERCURY code?Check the "Possible Causes" listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector's pins.
|P0306 MERCURY code tech notesThe 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"
|Cost of diagnosing the P0306 MERCURY code
Labor: 1.0The cost of diagnosing the P0306 MERCURY code is 1.0 hour of labor. The auto repair's diagnosis time and labor rates vary by location, vehicle's make and model, and even your engine type. Most auto repair shops charge between $75 and $150 per hour.
|When is the P0306 MERCURY code detected?Engine Cylinder 6 is Misfiring.
|What are P0306 MERCURY code possible symptoms?
- Engine Light ON (or Service Engine Soon Warning Light)
- Lack/loss of power
- Hard start
- Engine hesitation
|P0306 MERCURY code descriptionWhen a misfire occurs, engine speed will fluctuate. If the engine speed fluctuates enough to cause the Crankshaft Position (CKP) sensor signal to vary, the Engine Control Module (ECM) can determine that a misfire is occurring.
|Need more information with the P0306 MERCURY code?Need more information on how to fix the P0306 MERCURY code? Get Access to Factory Service Manuals
|Need help with a P0306 MERCURY code?Get the P0306 Mercury code diagnosed by a professional: Find a repair shop in your area
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