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  1. BH12MWA

    o2 sensors

    you caanot swap them Firs one(before catalysator) is different from the second one(located on the exhaust pipe)
  2. BH12MWA

    K12 CR12DE Cam Sensor Fault when cold

    The 2003 Micras have a serious problem with the chain. Actually, it is not the chain that causes all the errors. It's the ECU soft. Let me explain. The chain is stretching, that is a fact, but not a major problem. The system finds and signals the chain stretching too often and way too soon. The...
  3. BH12MWA

    K12 mk3 headlight / headlamp adjuster

    have a look here: https://www.micra.org.uk/threads/micra-k12-headlight-problem-help-needed-please.65239/
  4. BH12MWA

    Weeping oil from around the sump ?

    Do you have oil into the air-filter box? Is it coming from the rocker cover? Is it coming from the sump? If it is from the rocker gasket, you can easily change the 4 of them If it is from the sump, you need to investigate the problem. It may be piston rings, valves, the one-way valve on the pipe...
  5. BH12MWA

    micra k12 headlight problem help needed please.

    The motor should remain attached after you rotate it. You can reattach the motor by removing the lightbulb first, and then insert your finger inside. With your finger in, pull the mirror and hold it. Unscrew the black screw, and you will feel the mirror moving as you unscrew it. That is how you...
  6. BH12MWA

    Urgent: K12 Heading for Mongolia needs help, sporadic power loss

    I know my post may be late, but i think its an electrical issue. Some corroded fuses, or maybe some soldering on an electronic circuit. Not sure where the electronic circuit is locate, but explains why the problem occurs in the afternoon. You should consider a light bulb not positioned...
  7. BH12MWA

    K12 CR12DE Cam Sensor Fault when cold

    The sensor may not be broken. What error codes do you get on tester? It may be the electrical cable attached to camshaft sensor, or some bad connection along the electrical circuit
  8. BH12MWA

    Smokey coils and engine lights

    Any errors stored in ECU memory logger shoul be erased after the repair, and only after tester shows no errors you can drive thecar. You changed the two melted coils but the errors are still there. The engine is not running fine because of that
  9. BH12MWA

    1.2 thermostat housing,

    You can find cheaper aftermarket thermostat housing. The Nissan parts are expensive. That thermostat can cause high fuel consumption, if you can believe this. No errors if you test the car, but the sensor tells ECU that engine is cold, and needs more petrol to burn. Find a cheap one and replace
  10. BH12MWA

    Having big problems with reliably starting my K12

    Several possible explanations 1. Too much petrol is going into addmision on startup-check throtle body 2. Short-circuit somwhere(an electrician should solve this). If there are no errors when put on a tester, the chances are very small finding the problem 3. One or more ground cables are loose...
  11. BH12MWA

    k12 lumpy idle

    Is there signs of oil on the plastic cover, or around it? Have you changed the sparkplugs? Are they ok? If you have oil on/arround the air filter box, then you need to change the 4 rubber gaskets underneath the sparkplugs. The oil arround the sparkplugs conectors make them to discharge...
  12. BH12MWA

    micra k12 headlight problem help needed please.

    Take off the headlight, and check if the motor is attached to the mirror inside. The headlight is held by two 10 mm screws, and a phillips one. On the bach of the healight, rotate the motor anti-clockwise to take it off. If you can separate it from the headlight body, then your motor isn't...
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