P1204 Honda Code - Fuel System Failure Caused No. 4 Cylinder Misfire
Quick Answer
The P1204 Honda code indicates a fuel system failure that has caused a misfire in the No. Common causes include Faulty fuel injector: A clogged or malfunctioning fuel injector can lead to a misfire in the No, 4 cylinder, Fuel pump issues: A weak or failing fuel pump may not be delivering enough fuel to the cylinder. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
- What it means
- P1204 Honda indicates Fuel System Failure Caused No. 4 Cylinder Misfire.
- Common causes
- Common causes include Faulty fuel injector: A clogged or malfunctioning fuel injector can lead to a misfire in the No, 4 cylinder, Fuel pump issues: A weak or failing fuel pump may not be delivering enough fuel to the cylinder.
- Severity
- High - diagnose this code as soon as possible.
- Can I drive?
- Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
Fix Your Car Smarter
Try the New AutoCodes App!
Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.
Code P1204 Honda Description
The P1204 Honda code indicates a fuel system failure that has caused a misfire in the No. 4 cylinder of the engine. This issue can significantly impact the performance of the vehicle, leading to symptoms such as rough idling, reduced power, poor fuel efficiency, and potentially even engine stalling. The misfire in the No. 4 cylinder can result in unburned fuel entering the exhaust system, causing damage to the catalytic converter over time. This code is typically triggered by a lack of fuel delivery to the No. 4 cylinder, which can be caused by various factors such as a faulty fuel injector, fuel pump, or fuel pressure regulator.
Common Causes of P1204 Honda
- Faulty fuel injector: A clogged or malfunctioning fuel injector can lead to a misfire in the No. 4 cylinder.
- Fuel pump issues: A weak or failing fuel pump may not be delivering enough fuel to the cylinder.
- Fuel pressure regulator malfunction: A faulty fuel pressure regulator can disrupt the proper fuel pressure needed for the cylinder to operate correctly.
- Fuel filter clog: A clogged fuel filter can restrict the flow of fuel to the engine, causing misfires.
Symptoms of P1204 Honda
- Rough idling: The engine may run unevenly or shake while idling.
- Reduced power: The vehicle may struggle to accelerate or maintain speed.
- Poor fuel efficiency: The vehicle may consume more fuel than usual.
- Engine stalling: The engine may cut out unexpectedly, especially at idle or low speeds.
How to Fix P1204 Honda
- Diagnose the issue: Use a scan tool to read the diagnostic trouble code and further investigate the fuel system components to pinpoint the exact cause of the misfire.
- Inspect and replace fuel injector: Check the No. 4 fuel injector for proper operation and replace it if necessary.
- Test and replace fuel pump: Test the fuel pump's pressure output and replace it if it is not delivering fuel at the correct rate.
- Check and replace fuel pressure regulator: Inspect the fuel pressure regulator for defects and replace it if it is not maintaining the correct fuel pressure.
- Replace fuel filter: Replace the fuel filter to ensure proper fuel flow to the engine.
Cost to Fix P1204 Honda
The cost of repairing a P1204 Honda code can vary depending on the specific cause of the issue and the labor rates in your area. Typically, the parts needed for this repair, such as a fuel injector, fuel pump, fuel pressure regulator, and fuel filter, can range from $200 to $800. Additionally, labor costs can add another $200 to $500 to the total repair bill. It's important to note that these are rough estimates, and actual costs may differ based on the vehicle's make and model, as well as the shop's labor rates. It's recommended to consult with a qualified mechanic to get an accurate cost estimate for your specific situation.
Need more information about the P1204 Honda code?
Need more information on how to fix the P1204 Honda code? Get Access to Factory Service Manuals
Need Help with the Code?
Get the P1204 Honda code diagnosed by a professional: Find a repair shop in your area
Frequently Asked Questions about P1204 Honda Code
No Frequently Asked Questions about P1204 Honda Code found.
Discuss the causes and fixes for P1204 Honda OBDII Code
Code P1204 Honda comments
No comments found for this page.
Fix Your Car Smarter
Try the New AutoCodes App!
Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.