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Is there a Po304 code for a Ford F150?
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The Ford F-150 trouble code P0304 means that cylinder 4 is misfiring randomly. To identify the problem, start by checking for any intake leaks. If no leaks are found, try replacing the spark plugs in cylinder 4. Common signs of this issue include the engine light turning on, reduced power, difficulty starting, and engine hesitation at idle. On occasion, the problem could be related to a PCM software glitch, as Ford has issued a service bulletin on this matter. In such cases, you may need to reprogram the Powertrain Control Module. A diagnosis at an auto repair shop typically costs between $100 and $150, depending on the complexity of the issue and the required labor.
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The error code p0304 indicates a misfire in cylinder 4, which could be occurring randomly. Check for any air leaks in the intake system first, and if none are discovered, the next course of action is to replace the spark plugs in cylinder 4.
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