Question about 1994 Pontiac Bonneville

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Sensor temp I need the diagram to locate the temperature sensors to Boneville 1994

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It is normally next to the thermastat housing

Posted on Jan 25, 2009

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Where is coolant sensor located on 2005 dodge magnum


The Engine Coolant Temperature (ECT) sensor on the 5.7 / 6.1L engine is located under the air conditioning compressor. It is installed into a water jacket at the front of the cylinder block. The link has more info and a diagram. Location of coolant temp sensor

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Where are the coolant temp sensors located on a dodge journey 2009 rt


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Where is the coolant temp.sensor located on 2001 dodge 1500


The alternator needs to be removed to easily access and locate coolant temperature sensor.For more details and ECT diagram on 2001 dodge ram click the link below and follow the details to replace the coolant sensor:-----

http://technoanswers.blogspot.com/2012/10/dodge-coolant-temperature-sensor.html
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These details will help.
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1 Answer

1994 Chevrolet Astro replacing coolant temperature sensor. Where is it located? Picture or diagram answer


Its usually in the side of your thermostat housing. has a 2 or 3 wire plug hooked to it

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1 Answer

The check enging light comes on then goes off. I foud out the code po118 engine coolant temp circut high input. is it the coolant temp sensor. if so how do I replace it. It is on a 2004 jetta tdi


According to Autozone.com:

Because ECT (engine coolant temperature) sensor procedures vary depending upon their location, first locate the part. You may need to partially drain the engine coolant to prevent coolant spillage.
  • Disconnect the negative battery cable.
  • Unplug the ECT.
  • Then, unscrew it.
  • Reverse the removal procedures to install the new part.
  • Connect the negative battery cable to the battery.



    Related Parts:
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Coolant Temperature Sensor printpage_icon.gif



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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.

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Fig. Beginning with model year 1994, the Engine Coolant Temperature Sensors combined the sensors for the ECM and the gauge into one sensor-1997 2.8L V6 sensor shown


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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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2 Answers

Where is coolant temp sensor located


Not sure of your engine size so please pick the appropriate diagram:


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Coolant temperature and oil pressure senders-4.3L engines



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Coolant temperature and oil pressure senders-5.0L and 5.7L engines



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Coolant temperature and oil pressure senders-7.4L engines



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Coolant temperature and oil pressure senders-6.2L and 6.5L diesel engines

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1 Answer

Im putting in the boss performance module


please rate as problem solved if this is what you need.



Section 03-14: Engine Controls, Electronic 1994 Mustang. Workshop Manual
REMOVAL AND INSTALLATION Intake Air Temperature (IAT) Sensor Removal and Installation
  1. Disconnect battery ground cable (14301) .
  1. Disconnect engine control sensor wiring (12A581) from intake air temperature sensor (IAT sensor) (12A697) .
  1. Remove intake air temperature sensor from air cleaner outlet tube (9B659). (This is the tube that goes from the air cleaner to the engine.)
  1. To install, reverse Removal procedure. Tighten intake air temperature sensor securely.
--------------------------------------------------------------------------

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3 Answers

Coolant temp sensor


BELOW THE THERMOSTAT HOUSING ON DRIVERS SIDE OF ENGINE

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1 Answer

Coolant fan switch


it's hooked up to the temperature sensor. if you don't get a temp light on, the sensor might be bad. it's usually located where the upper radiator hose goes into the engine. also check your thermostat.

Jan 13, 2009 | 1994 Toyota Camry

1 Answer

I need a wiring diagram for the jeep cherokee's temperature sender unit for a an m Registration 1994 model have you got one?


The temperature sending unit is located on the right rear of the head. Next to the valve cover gasket. It is blocked from good access by the MAP sensor. If you remove the MAP sensor, the black flat thing mounted to the upper center of the firewall, you can access the temp sending unit with a deep well socket. Make sure the engine is cold, or the pressure of removing the TSU will send coolant everywhere.

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