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1999 Honda Civic Si Problems

RepairPal has identified the most common problems with the 1999 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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27
Known 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 check engine light
  • OBD trouble code P1457 is stored
  • Engine takes longer than usual to start
  • Fuel mileage decreases noticeably
  • The valve is located on the charcoal canister, and is meant to open and close upon command. It fails due to corrosion breaking one of two internal seals, which allows air to escape the system, signaling the OBD trouble code P1457.

    Correcting the problem can be done by replacing the vent valve, or, in some cases, cleaning and resealing the vent valve has been successful. You can get an estimate for this repair here.

    A worn, missing, or loose gas cap can cause the same issues.

    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.

    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.

    The 1999-2000 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 inspected, properly sealed and installed, or replaced with new.

    The 1999-2000 Honda Civic Si commonly has mechanical issues with the manual transaxle.

    Drivers will notice that upon decelerating, the transmission will shift to neutral on its own, and some gears, normally second, will be difficult or impossible to select with the gear selector. Lastly, a grinding noise accompanies these issues. It changes with engine speed, and comes from the transmission.

    The engine connects to the transmission with a clutch and shaft. The clutch engages or disengages the transmission input shaft, and the transmission input shaft drives the transmission. The input shaft is held in place by bearings which allow it to spin. When those bearings fail, the input shaft can move, and the problems noted above become very evident due to the loss of synchronization of the transmission.

    To correct the situation, the transmission must be removed from the vehicle, disassembled, rebuilt, and reinstalled in the vehicle.

    The best way to ensure this doesn’t happen to you is proper maintenance of the transmission.

    The 1999-2000 Honda Civic Si is known for premature alternator bearing failure. The alternator shaft bearing alerts of mechanical failure by making a howling or grinding noise, but other symptoms may appear, including:

  • Battery warning light illumination
  • Engine will not start
  • Engine stalling or hesitation
  • Power steering and A/C failure

    Continued use after the alternator makes these noises generally result in loss of the serpentine belt, power steering, air conditioning and battery power.

    The correction is to replace the alternator immediately.

  • The 1999-2000 Honda Civic Si has a known issue with alternator failure at high mileage, which causes:

  • Battery warning light while driving 
  • Loss of electrical/battery power 
  • Engine stalling or hesitation 
  • The remedy is simply to replace the alternator, and test the battery. Note: the battery must be disconnected prior to servicing the alternator to prevent electric shock and damage to electrical components.

    The 1999-2000 Honda Civic Si has a known issue with ignition distributor shaft bearing failure, which causes:

  • Failure to start 
  • Engine randomly misfires 
  • Check Engine Light Illumination
  • OBD Trouble code(s) P0300, P0301, P0302, P0303, P0304, P1336, P1337 
  • Engine vibrations  
  • Hesitation or stalling 
  • Oil leak from distributor cap 
  • The ignition system uses the distributor to send high voltage electricity to the spark plugs at the right time. It accomplishes this timing mechanically by a shaft, which connects the crankshaft and ignition distributor, so they spin at the same rate. That shaft, part of the distributor, rests in a bearing inside the distributor.This bearing, the distributor shaft bearing, is known for failing, and allowing the shaft to move slightly.

    As the bearing fails, it allows the shaft to move away from the shaft seal, and oil pours into the distributor cap, causing misfires.

    The play in the shaft can also cause contact with the crankshaft position sensor, causing a no start problem.

    Total bearing failure will be most evident from the grinding noise that changes with engine speed, and oil in the ignition distributor cap.

    If the bearing is making noise, driving or running the vehicle can result in catastrophic engine failure.

    To correct this issue, the ignition distributor and shaft must be replaced. Any damage to the crankshaft position sensor will necessitate replacement as well.

     

    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 inspected, properly sealed and installed, or replaced with new.

    The 99-00 Honda Civic Si has a known issue with engine oil leaking from the ignition distributor shaft seal.

    Leakage from the shaft seal coats the electrical components of the distributor with engine oil causing:

  • Failure to start 
  • Engine randomly misfires 
  • OBD Trouble code(s) P0300, P0301, P0302, P0303, P0304, P1336, P1337 
  • Engine vibrations  
  • Hesitation or stalling 
  • Cleaning the distributor cap and rotor can help or resolve driveability issues temporarily, but the mentioned issues will return shortly.

    Once this issue is diagnosed, the ignition distributor shaft seal must be replaced, and the distributor shaft bearing must be inspected.

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

    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.

    Cracked exhaust is common on both exhaust manifolds and manifold/catalytic converter combination. Replacing the cracked component will repair the problem.

    A faulty brake master cylinder reservoir filter can cause the brake system indicator to illuminate after a cold start and then go off. Replacement of the reservoir filter will commonly fix this problem.