AutoCodes
 
OBDII Code List
 
P0304 2000 FORD F150

P0304 2000 FORD F150 - Cylinder 4 Misfire Detected

Repair Importance Level: 3/3
Repair Difficulty Level: 3/3   
Comments  |  Add Comment

P0304 2000 FORD F150 Possible Causes

  • Faulty spark plug 4
  • Clogged or faulty fuel injector 4
  • Faulty ignition coil 4
  • Fuel injector 4 harness is open or shorted
  • Fuel injector 4 circuit poor electrical connection
  • Ignition coil 4 harness is open or shorted
  • Ignition coil 4 circuit poor electrical connection
  • Insufficient cylinder 4 compression
  • Incorrect fuel pressure
  • Intake air leak

First diagnose P0304 2000 FORD F150 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 terminals.

P0304 2000 FORD F150 Tech Notes

The P0304 code means that the cylinder 4 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 4. If the problem persists more tests needs to be done to diagnose problem, see "Possible Causes"

Cost of diagnosing the P0304 2000 FORD F150 code

    Labor: 1.0

    The cost of diagnosing the P0304 2000 FORD F150 code is 1.0 hour of labor. The auto repair labor rates vary widely across the country, and even within the same city. Most auto repairs shops charge between $75 and $150 per hour.

When is the P0304 2000 FORD F150 code detected?

Engine Cylinder 4 is Misfiring.

P0304 2000 FORD F150 Possible Symptoms

  • Engine Light ON (or Service Engine Soon Warning Light)
  • Lack/loss of power
  • Hard start
  • Engine hesitation

P0304 2000 Ford F150 Description

When 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.
OBDII Code P0304 2000 Ford F150 - Cylinder 4 Misfire Detected - AutoCodes.com

P0304 2000 FORD F150 More Information

Need more information on how to fix the P0304 2000 FORD F150 code?
Get Access to Factory Service Manuals

Need more help?

Get the P0304 2000 Ford F150 code diagnosed by a professional: Find a repair shop in your area

Related Information

P0304 2000 FORD F150 Comments

Help us improve AutoCodes.com. Leave a comment below or tell us if the information above help you fix the code. What are the symptoms on your vehicle for the P0304 2000 Ford F150 code? Have you replaced any parts?
Any information is appreciated. Thanks
Top ⇧