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Honda Civic Si Problems

RepairPal has identified the most common problems with the Honda Civic Si based on complaints from actual vehicle owners. We'll tell you what the problem is and what it'll take to fix it.

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Known Problems

Impact damage to the front of the vehicle can cause the primary O2 sensor to blow fuse 15 and cause the Check Engine light (MIL) to come on. In most cases the primary O2 sensor needs replacing and a new fuse installed to repair the issue.

Impact damage to the front of the vehicle can cause the primary oxygen sensor to blow fuse 15 and cause the Check Engine light (MIL) to come on. In most cases the primary oxygen sensor needs replacing and a new fuse installed to repair the issue.

On certain models poor igniter connections can cause misfires and catalyst deterioration. Cleaning and securing the connections will correct the problem.

The airbag warning light (SRS) may illuminate due to a defective occupant position sensor. Honda has a recall campaign to replace defective sensors on affected cars.

The idler pulley for the AC compressor belt can fail causing a growling type noise. The idler pulley will have to be replaced to stop the noise.

Some Honda Civics have seat belt issues that may be covered under Honda's Lifetime Seat Belt Limited Warranty. Please contact your local Honda dealer to see if your seat belt problem is covered.

On some models with automatic transmissions, during a cold start at high altitude the brake pedal feels hard. Replacing the power brake booster and updating Powertrain Control Module (PCM) the with a Honda software update is needed for this issue.

On some models the Powertrain Control Module (PCM) can misinterpret data and set a false Check Engine light (MIL) for catalyst failure. A software update from Honda will address this issue.
On certain models the Powertrain Control Module (PCM) misinterprets data from the coolant sensor and sets a false Check Engine light (MIL). A software update from Honda is required for this repair.

On certain models the Powertrain Control Module (PCM) can misinterpret the secondary oxygen sensor data and set a false Check Engine Light. A software update from Honda is needed for this issue.

On the HX model, the Powertrain Control Module (PCM) can misinterpret oxygen sensor data and set a false Check Engine light (MIL). A software update from Honda is needed for this issue.
On certain models the Powertrain Control Module (PCM) misinterprets coolant temperature data and can turn on the Check Engine light (MIL). A software update from Honda is needed to address this issue.
On some models Powertrain Control Module (PCM) response time for idle speed and engine timing can cause the engine to stall. A software update from Honda is required to fix this problem.

On some engines a sticking variable valve timing valve can cause  the Check Engine light (MIL) to illuminate. Replacing the valve and a software update will address this issue.

A failure of the Primary O2 sensor heater can cause illumination for the Check Engine Light. Replacing the O2 is required to repair this issue.