Question about 2001 kawasaki VN 800 Vulcan Classic

1 Answer

2001 Kawasaki vulcan 800

When I start the engine the two warning lights (oil pressure and high temp)remain on. I've checked the oil level, water level as wel as the oil filter and oil screen. Visually checked all the wiring and plug in sockets for corrosian.

Posted by xhousemover on

  • xhousemover Jan 18, 2009

    Hi again and thank you for your help - its most appreciated



    I followed your instructions with the following results;



    With the engine off and the key on: when I remove only the water sensor wire both warning lights stay on; when I remove only the oil pressure sensor wire both lights go out.



    When I check the water sensor with a ohmmeter (one probe to the sensor one probe to the motorcycle frame and set on the 20k setting) I get a reading of .01; when I do the same test to the oil sensor I get .00.



    What should I replace? Thanks again for your help!





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Anonymous

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The two switches you are having problems with are thermetically controlled; they can easily short out which will cause the light to stay on. First what I'd like you to do is disconnect them at the sending unit, if the lights still stay on you have a short somewhere deeper in the wiring. Most likely it will be a grounded wire. If the lights do go off you will then want to use an OHM meter to check continuity at the senders. If you get solid resistance then the sending unit is shorted out, if one remains open then isolate the other. You may have a situation that one switch is causing both to stay lit.
Let me know if this helps you out at all. Tell me if you don't have the resources to co the diagnostics as described and I'll be happy to give you a work around. We will just have to be a little creative.
Either way let me know and I'll be happy to help you resolve the issue. I'm inclined to thing your problem is a short not a heat related issue since both sending units are both indicating a problem.
Regards,
RSelvy

Posted on Jan 15, 2009

  • Anonymous Jan 19, 2009

    If I'm understanding you correctly the water censor appears to be the one with grounded continuity. You will want to replace the water censor. Please let me know if you have any further questions or problems. It's my pleasure to be able to assist you.
    Regards,
    RSelvy

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1 Answer

Where is the oil sending unit on a 1996 mercury cougar xr7 ? Its cause my oil pressure gauge is bouncing up and down...i dont know why...can anybody please help me thank you so much


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The low oil pressure warning lamp will illuminate anytime the ignition switch is turned to the ON position without the engine running. When the engine is running, the light also illuminates if the engine oil pressure drops below a safe oil pressure level. To test the system, perform the following:
If the oil pressure light does not work, perform the following:
  1. Turn the ignition switch to the ON position.
  2. If the lamp does not light, check for a broken or disconnected wire around the engine and oil pressure sending unit switch.
  3. If the wire at the connector checks out OK, pull the connector loose from the switch and, with a jumper wire, ground the connector to the engine.
  4. With the ignition switch turned to the ON position, check the warning lamp. If the lamp lights, make sure the oil pressure switch is properly grounded in the cylinder block, and if so replace the oil pressure switch. If the lamp still fails to light, check for a burned out lamp or disconnected socket in the instrument cluster.
To diagnose an oil pressure light that stays on, perform the following:
  1. Check the engine oil level and top off as necessary. If the engine was 2 or more quarts low on oil, test start the engine after topping off the oil level and recheck the oil pressure light operation. If the light stays on, stop the engine immediately and go to the next step.
  2. Disconnect the wire at the sending unit, then turn the ignition switch to theON position. If the light remains on, check the wire from the sending unit to the gauge for being shorted to ground and repair as necessary. If the light goes out, turn the ignition switch OFF and go to the next step.
  3. Replace the oil pressure sending switch with a known good switch.
  4. Start the engine and check the oil pressure light operation. If the light stays on with the engine running, stop the engine immediately to avoid severe engine damage until the cause of the problem can be determined.

WARNING
If the oil pressure light remains on while the engine is started, stop the engine immediately. Do not operate the engine until the cause of the problem can be determined. Operating an engine with low oil pressure will cause severe internal damage.

Possible causes for an oil pressure light to stay on are:


Pinched or grounded sensor wireDefective oil pressure sending unitRestricted or severely leaking oil filterExcessive internal engine bearing clearance.Insufficient or severely contaminated engine oilBlocked oil pump pickup screen or severely worn oil pump

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Tip

What do the Dashboard Symbols Mean?


I have a mini cooper and every so often symbols come on when I first start up the car. Evidently this is the only time these symbols come on (versus staying on if there is a problem) which is a hassle, because its hard to remember what they are. But here is a list I found to help other Mini drivers like myself:

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  1. Oil Pressure Warning Light. This symbol light usually is turned on when the ECU of the car detects any problem with the oil pressure. It usually indicates that the engine oil level is too low. Solution: Stop the car immediately, switch off the engine, and wait until the engine is cool down, top up the engine oil if the level is low. If the light is still on, consult any mechanic. P/S: This light is usually on when you switch on the ignition and it should be gone as soon as the engine starts.
  2. Battery Charge Warning Light. If the light is on during the car is running, it indicates that the car batteryis not charge. It could be some faulty of the charging system. Solution: Consult any mechanic.
  3. Brake System Warning Light. If the e-brake or handbrake is engaged, the light will on. If the light remains illuminated after the handbrake is released, it may indicate brake fluid level is low. If the fluid level is correct, it may be the sensor fault.
  4. ABS Warning Light. If the light is on while driving, it indicates a malfunction of the ABS system.Solution: Consult a mechanic as soon as possible.
  5. Warning light - Unidentified problem. Computer or ECU in the car sometimes hardly knows what the problem is. It usually indicates the car needs to be serviced.
  6. Engine Warning Light/OBD Indicator. You can always see this symbol in mostthe cars. If the light is on, it indicates that the car should be serviced. It could probably the engine malfunction or some other problems related to the car engine.
  7. Low Fuel. It's LOWWWWWWWWW FUEL, Please refill!
  8. High Beam Light. This symbol light is on when the driver turn on the high beam mode of the headlights. If the light is on when high beam is off, it could be the sensor's fault.
  9. Windshield Wash Symbols. Most of the new car has windshield wash, therefore this icon is common for most of the cars. The symbol notifies the driver when the windshield wipers are activated.
  10. Windshield Defrost. It is turned on once the driver presses the windshield defrost button.
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  1. Fuel Filter Water Trap. This symbol is normal but ONLY for diesel engines car. If the light is on while driving the car, it indicates water is detected in the fuel filter. Solution: It is usually safe to drive the car but have to get the water in the fuel filter drained off as soon as possible.
  2. Temperature Warning Light. The symbol looks like a thermometer. It warns the driver that the engine is overheating. Solution: Find a safe place and stop the car immediately.
  3. Fog Beam Indicator. This is pretty basic and pretty simple. If the fog beam is on, the symbol illuminates.
ORIGINAL SOURCE ARTICLE:
http://www.malaysiaminiiover.com/car-dashboard-symbols.htm

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1 Answer

Why would the oil light stay on?


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2. low oil level light which some cars have.

Low OIL PRESSURE warning means the oil pressure is below minimum and when this happens there will be insufficient lubrication of many engine parts because sufficient oil cannot get to all parts of the engine it is required to lubricate. Until the cause is identified and rectified the warning light will remain. If you run your engine with low oil pressure you will cause expensive damage to internal engine components.

Low OIL LEVEL warning means the oil in the sump has dropped to a dangerously low level (which may be due to an oil leak or abnormal oil consumption by the engine.) This warning means the oil level needs to be topped up and the warning will stay displayed until you top up the oil. Running the engine with low oil will cause expensive engine damage.
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