Question about Cars & Trucks
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Posted on Jan 02, 2017
look up by the fuel rails and you see these funny looking things normally they have two wires on them and the spark plugs are under those and in most cases you have to remove the fuel injecter rails in order to get access to the plugs
Posted on Jan 18, 2009
located under intake in water crossover pipe,you can access the sensor by removing intake chamber box,then pcv hose connected to the block,the connector is orangeish 2pin,use a 19mmdeep socket on a 3/8 ratchet to get it loose,make sure engine is cool,also make sure there is a new brass washer with your new sensor,sometimes the old washer comes off when removing the sensor,sometimes it sticks to the pipe,some coolant will escape so make sure to top it off
Posted on Jul 14, 2009
dealer only ,pinking is caused by timing being thrown out and its firing too early,by your spelling i asume your in the UK which means that your vehicle hasnt got an OBDII connector ,only fitted to vehicles after 2005 in europe so a cheap scanner wont help .Exactly whats playing up i havent a clue without plugging it in ,if you are in the UK have a middle of scate /chips /and nice big wally for me please
Posted on Aug 07, 2009
These are located in the cylinder head in the back of the head...meaning 180 degrees from the belts and pulleys(front) or the side the transmission is on. Two sensors exist...the single wire sensor is for the dash gauge. Saturn pn# 21025106 is the one you need
Posted on Aug 12, 2009
Tips for a great answer:
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Cooling Fan Switch
Engine Temperature Sensor
Fig. Remove the coolant temperature sensor
The coolant temperature gauge sensor is a temperature-variable resistor, or thermistor. As coolant temperature increases, the resistance of the sensor decreases or decreases, depending on the type of sensor.
A1 and A2 platforms use a different type of circuit that A3 vehicles. On A1 and A2 vehicles, the circuit is a "resistance to ground" type. A3 vehicles use a "variable voltage" type, where a voltage is supplied to the sensor. Because of the circuitry design on A3 vehicles, testing of the coolant temperature gauge is limited.
The engine coolant temperature gauge uses a heat sensitive sending unit to transmit an electrical signal to the gauge. The sending unit is a heat sensitive variable resistor that is located on or near to the cylinder head and threads into an engine coolant passage. The sensors are a Negative Temperature Coefficient (NTC) type. As the temperature increases, the electrical resistance of the sensor decreases. As the coolant temperature changes, so does the resistance of the sensor. The gauge is calibrated within the operating range of the sensor and interprets the resistance value to display the coolant temperature.
Beginning with model year 1994, the engine coolant gauge and the Engine Control Module (ECM) temperature sensors were combined into one sensor with 4 terminals. The basic operation remains the same in that their resistance decreases as the coolant temperature increases, however the actual resistance values of the 2 sensor circuits are different. The electrical connector of the 4-wire terminal sensor ( 1 and 2 ) is keyed to prevent improper connection of the sensor's electrical circuit.
Fig. The electrical connector for the combined temperature sensors is keyed to avoid improperly connecting the sensor's wiring-1997 2.8L V6 connector shown
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