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Honda Civic Si Problems

Find the most common issues based on Honda Civic Si owner complaints.
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Most Common Honda Civic Si Problems

The front brake rotors can warp and cause a vibration when braking. The rotors will need to be machined or in cases where they are worn to thin, replaced to correct this issue.
On the Si, a faulty 3rd gear can cause problems shifting into third gear. Removing the transmission and replacing the third gear assembly is required to repair this issue.
Plugged moon roof drains can cause a water leak inside the car, usually over the head of the driver or passengers head when turning a corner. Cleaning the drains will fix this problem.
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4 Known Honda Civic Si Brakes Problems

The front brake rotors can warp and cause a vibration when braking. The rotors will need to be machined or in cases where they are worn to thin, replaced to correct this issue.
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 wit...
Certain models can have a crowned rear brake drum that can cause a vibration when braking. The rear drums will have to be replaced to correct this issue.

8 Known Honda Civic Si Drive Train Problems

On the Si, a faulty 3rd gear can cause problems shifting into third gear. Removing the transmission and replacing the third gear assembly is required to repair this issue.
On certain models the automatic transmission range switch can fail and cause the Check Engine light (MIL) to illuminate, and the engine may not crank intermittently. Replacing the range switch is n...
Excessive second clutch wear (automatic transmission) can cause the car not to move and set a Check Engine light (MIL). Replacing the transmission is necessary when this happens.

5 Known Honda Civic Si Electrical & Lights Problems

A faulty power window switch can cause the power windows to stop working, or to work intermittently.
On certain models the windshield wipers will not park in the proper place or won't shut off. The wiper motor must be replaced to repair this issue.
Leaking tail light gaskets can allow water into the tail light assembly and inside the vehicle. Replacing the tail light gaskets will commonly correct this issue.

13 Known Honda Civic Si Engine Problems

The 1999-2016 Honda Civic Si engine oil pressure sensor is known to leak from normal operation. More information about the oil pressure sensor here. To correct the leak, the sensor must be inspec...
Damaged engine mounts can lead to vibration and roughness felt in the steering wheel. A rattle in the dash and engine area may also be heard. Replacement of damaged mounts will commonly correct t...
Certain models can leak oil externally or allow coolant into the combustion chamber due to a faulty head gasket. The head gasket needs to be replaced to correct this problem.

16 Known Honda Civic Si Exhaust & Emissions Problems

Select year models of the Honda Civic Si may have problems with the EVAP canister vent solenoid. It stops responding to commands to open and close, and the following occurs: Illumination of the ch...
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 certain models the engine RPM does not drop immediately and can cause a surge when driving in first gear. A software update is required for this repair.

3 Known Honda Civic Si Heating & Air Conditioning Problems

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.
A refrigerant leak may develop from the AC evaporator causing the AC to blow warm air. Verifying failure of this component is difficult. A good shop will use leak detection dye to verify a fail...
Evaporators can collect mold and give off a foul smell. Disinfecting the evaporator or replacing it will address this issue.

0 Known Honda Civic Si Maintenance Problems

11 Known Honda Civic Si Miscellaneous Problems

Plugged moon roof drains can cause a water leak inside the car, usually over the head of the driver or passengers head when turning a corner. Cleaning the drains will fix this problem.
The sunvisor may come apart or split causing it not to remain in the stowed position. On some models, Honda has extended the warranty on these sunvisors to 7years or 100,000 miles. Please contact y...
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.

6 Known Honda Civic Si Suspension & Steering Problems

Front compliance bushings may crack and break. Damaged bushing should be replaced before damaged is done to suspension components.
A fluid leak may develop from one or both front suspension struts. Replacing the struts (usually in pairs) will be necessary to take care of the problem.
Rear trailing arm bushings crack and break. The trailing arm bushings will need to be replaced when they break.

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Known Honda Civic Si Problems & Complaints

The front brake rotors can warp and cause a vibration when braking. The rotors will need to be machined or in cases where they are worn to thin, replaced to correct this issue.
Certain models can leak oil externally or allow coolant into the combustion chamber due to a faulty head gasket. The head gasket needs to be replaced to correct this problem.
On the Si, a faulty 3rd gear can cause problems shifting into third gear. Removing the transmission and replacing the third gear assembly is required to repair this issue.
Select year models of the Honda Civic Si may have problems with the EVAP canister vent solenoid. It stops responding to commands to open and close, and the following occurs: Illumination of the ch...
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 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 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) 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 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 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.
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 failure of the Primary O2 sensor heater can cause illumination for the Check Engine Light. Replacing the O2 is required to repair this 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 replac...
On certain models the automatic transmission range switch can fail and cause the Check Engine light (MIL) to illuminate, and the engine may not crank intermittently. Replacing the range switch is n...
Excessive second clutch wear (automatic transmission) can cause the car not to move and set a Check Engine light (MIL). Replacing the transmission is necessary when this happens.
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