Question about 2001 Volkswagen Golf

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Electric fan switches on as soon as car starts gauge show cold,have had engine sensor and fan sensor fitted twice.Engine warning light shows

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Coolant temp sensor. try that.

Posted on Oct 08, 2009

  • Mark
    Mark Oct 08, 2009

    coolant temp sensor. try that.

  • Mark
    Mark Oct 09, 2009

    man, u didn't have to give me a crappy rating....could've just left it blank. i was just going by a problem similar to one i had with mine. i didn't have enough info.

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My fan comes on soon as you turn the Kee on before starting the car


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VW Golf 2000 1.6 16v automatic. Coolant temp. too low.


Is the heater nice and hot when the needle shows low temp? If the cooling fans turn on and the heater is hot, that leads me to believe the coolant temperature sensor is bad. You should try replacing that sensor. They are only $6 usd here. As long as your check engine light is not on and your fans are running, this will not hurt your car... but this is something you should fix soon if you can. Make sure the engine is cold when you replace the sensor

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1 Answer

I have a 95" model ford aspire. Right now am experiencing a problem on mostly the fuel gauge and the cooling fan. the gauge does not indicate the amount of gas, while the cooling fan does not run. What...


cooling fan has a relay. check it first. Then check the ECT, Engine Coolant Temperature Sensor. It is on the engine and sends a signal to the PCM, Engine Computer.
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Section 03-03: Engine Cooling 1996 Aspire Workshop Manual
DESCRIPTION AND OPERATION Cooling Fan, Electric sty~us~en~file=ani_caut.gif~gen~ref.gif WARNING: WHEN WORKING IN THE ENGINE COMPARTMENT, STAY CLEAR OF THE FAN BLADE. BECAUSE IT IS ELECTRIC AND TEMPERATURE SENSITIVE, IT CAN START AT ANY TIME IF THE IGNITION IS ON.
The electric cooling fan is an electro-drive type. Its operation depends upon engine temperature and ignition switch (11572) position. If engine coolant temperature reaches 97°C (207° F) and the ignition switch is in the ON position, the engine coolant temperature sensor (ECT sensor) (12A648) sends a signal to the powertrain control module (PCM) (12A650) which turns the engine cooling fan motor (8K621) and fan blade assembly on. Because it cannot operate unless the ignition switch is ON, the engine cooling fan motor and fan blade assembly does not operate after engine shutdown. The fan control relay (FC relay) is located in the LH front corner of the engine compartment, between the battery (10655) and the headlamp assembly. Circuit protection is provided by a 30A fuse labeled COOLING FAN in the main fuse junction panel to the left of the battery. If the vehicle is equipped with air conditioning, an additional relay is installed in the circuit. The A/C clutch control relay (19D572) bypasses the engine temperature portion of the circuit. The bypass circuit allows the engine cooling fan motor to operate whenever the A/C switch is engaged.
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Fuel pump/sender access is through cover under rear seat.


Fuel Gauge

  1. Remove the instrument cluster. Refer to the procedure in this section.
  1. Using a jumper, connect the battery positive terminal to the fuel gauge "+" terminal and the battery negative terminal to the fuel gauge "-" terminal.
  1. Connect one lead of a Rotunda Instrument Gauge System Tester 014-R1063 or equivalent to the "F-U" terminal of the fuel gauge (9280), and connect the other lead to the "-" terminal of the fuel gauge.
  1. Adjust the instrument gauge system tester to the resistances shown in the illustration.


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  1. If the fuel gauge does not operate as specified, replace the fuel gauge. If the fuel gauge is OK, return to the Pinpoint Test.


Fuel Level Sensor

  1. Remove the fuel level sensor (9275). Refer to Section 10-01 for the removal procedure.
  2. Measure the resistance between terminal A and terminal B of the fuel level sensor.

    Connector Shown From Component Side
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  1. Adjust the fuel tank float to the following positions:
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  1. If the resistances are not as specified, replace the fuel level sensor. If the fuel level sensor is OK, return to the Pinpoint Test.
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Mar 27, 2009 | 1995 Ford Aspire

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