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Honda CRX Problems

RepairPal has identified the most common problems with the Honda CRX 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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7
Known Problems

The camshaft seal, located at the end of the cylinder head, has a reputation for failure on the 1990-1991 Honda CRX.

This seal wraps around the camshaft to prevent engine oil from leaking where the camshaft exits the cylinder head.

Replacing the leaky seal requires timing belt removal, so timing belt and water pump may be recommended if your vehicle is near the service interval.

The Honda CRX 1.5L and 1.6L commonly have radiator leaks after many years of normal operation. The leak starts small, but may cause:

  • Coolant puddling under vehicle
  • Engine overheating
  • Unexplained coolant loss (only at first)
  • Vehicle in “limp mode”; loss of power
  • Cylinder head or head gasket failure
  • The coolant leaking can have a severe effect on your vehicle if left in disrepair. If the radiator is diagnosed as the leaky part, it will need to be replaced, or resealed if that is an option.

    Note: coolant is toxic to animals, but tastes sweet. Any coolant spills should be cleaned to protect animals and children.

    The 1990-1991 Honda Civic CRX 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 1990-1991 Honda CRX 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.

    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.

    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.

    An oil leak at the spark plug area (spark plug tubes) can be caused by a failing valve cover sealing rubber and/or camshaft holder o-ring. The sealing rubber and o-ring will need to be replaced to address this issue.