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K10 Tuning & Mechanical
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<blockquote data-quote="crogthomas" data-source="post: 47024" data-attributes="member: 146"><p><strong>Solenoid</strong></p><p></p><p>I have a 89 model UK micra 1.0L. It has the points ignition and no EEC system.</p><p></p><p>The carburetor has four wires going to it.</p><p>Two goto the right hand side of the carburetor. They split apart and one goes to the automatic choke (inside the circular plastic cover) and the other goes to the anti-dieseling valve which is mounted into the aluminium part of the carburetor quite near the top, this will click on and off when 12v is applied.</p><p>The other two both go to another solenoid valve on the lefthand side of the carburetor. This valve is mounted into the cast iron part if the carburetor at the bottom. It adds extra fuel when the engine is under load from the alternator. There is a small electronic box (about 80mm x50mm) under the passenger seat (drivers seat on your LHD car) that senses when the lights or heater fan are switched on. It then applys 12 volts to the solenoid which opens it and allows extra fuel to run into the inlet manifold from the float chamber. It is normaly held shut by a spring and needs power to open it.</p><p>You can apply 12 volts to the wires (earth to one, 12v to the other) and you should hear it click as well. Plus you should notice the idle speed rise slightly (about 100-200rpm). I dont think it matters which way round you connect the power to the wires.</p><p></p><p>I dont know if that helps at all?</p><p></p><p>All starting problems I've had with my car have been solved by giving it a full service. Changeing the points and setting the carburetor exactly as per the manual (there are lots of ajustments to play with).</p></blockquote><p></p>
[QUOTE="crogthomas, post: 47024, member: 146"] [b]Solenoid[/b] I have a 89 model UK micra 1.0L. It has the points ignition and no EEC system. The carburetor has four wires going to it. Two goto the right hand side of the carburetor. They split apart and one goes to the automatic choke (inside the circular plastic cover) and the other goes to the anti-dieseling valve which is mounted into the aluminium part of the carburetor quite near the top, this will click on and off when 12v is applied. The other two both go to another solenoid valve on the lefthand side of the carburetor. This valve is mounted into the cast iron part if the carburetor at the bottom. It adds extra fuel when the engine is under load from the alternator. There is a small electronic box (about 80mm x50mm) under the passenger seat (drivers seat on your LHD car) that senses when the lights or heater fan are switched on. It then applys 12 volts to the solenoid which opens it and allows extra fuel to run into the inlet manifold from the float chamber. It is normaly held shut by a spring and needs power to open it. You can apply 12 volts to the wires (earth to one, 12v to the other) and you should hear it click as well. Plus you should notice the idle speed rise slightly (about 100-200rpm). I dont think it matters which way round you connect the power to the wires. I dont know if that helps at all? All starting problems I've had with my car have been solved by giving it a full service. Changeing the points and setting the carburetor exactly as per the manual (there are lots of ajustments to play with). [/QUOTE]
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