Question about 2006 Nissan Sentra

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Location of coolant temperature sensor on a 2006 Nissan Sentra

Can't find the location of the sensor, at least the one I was given at the autoparts store. I need a diagram or something to reference.

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It is on the back of the cylinder head and can see it from the passenger side

Posted on Dec 12, 2012

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Posted on Jan 02, 2017

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SOURCE: where is the coolant sensor located on a nissan

I assume you are referring to the coolant temp sensor. as you look at the front pulleys of the engine, its on the right side behind a bracket just above the alternator. See picture below and let me know if you have questions. If you are referring to the coolant level sensor, it would be on the side of the coolant reservoir.


Posted on Nov 09, 2010

  • 218 Answers

SOURCE: 98 Sentra IAT Sensor Location


Posted on May 13, 2009

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SOURCE: Diagram available for 01 Nissan Xterra Knock Sensor location?

V6 3.3L The sensor is located underneath the air intake manifold on top of the engine block. This should take an experienced mechanic about 3-4 hours to replace.


Fig. Engine compartment component locations

Hope this help (remember rated this free help) Good luck.

Posted on Feb 08, 2010

  • 40 Answers

SOURCE: I need a 2005 Nissan Sentra Fuse Box Diagram!?

the diagram should be on the outside or inside of the fuse panel cover. Not there? You can go to autozone or advance auto and look at there books for free, or you can ask them to print it for you. If you're not happy with that you can stop at a nissan dealer (used) and look at one of their 2005 models, or ask them to help. They will try to get you to trade in though lol.

Posted on Jul 03, 2009

  • 1 Answer

SOURCE: crankshaft position sensor for 2004 nissan sentra.

will the crank sensor cause the vehicle to shut down while running?

Posted on Aug 06, 2009

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Where is the radiator fan switch situatated in the engin of sentra 140i?

heat sensor usually located close to the thermostat housing, link below should be similar to yours
How To Install Replace Coolant Temperature Sensor 2 5L Nissan Altima Sentra

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P0128 Nissan Sentra 2006 1.8 S

replace coolant thermostat.your coolant temp is below thermostat regulating temperature. or you can drain your coolant and replace with coolant to conform with your thermostat specs.

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What happens when the ect sensor is out

  • Coolant temperature sensors provide coolant temperature data to the engine management system
  • When not replaced, vehicle could experience pinging, excessive hydrocarbons in oil resulting in premature engine bearing wear, spark plug fouling, catalytic converter failure, poor fuel economy and/or CEL/MIL illumination.

Nov 30, 2013 | 2006 Nissan Sentra

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My 2001 nissan sentra doesn't have alot of power until after it warms up. it won't even go up a hill. What could be wrong with it?

Possibly the intake air temperature sensor or the engine coolant temp sensor are stuck at full hot. The computer will schedule too little fuel--especially with the engine cold and you'll have very little power until the engine actually gets closer in temp to the stuck sensor. The engine coolant temp sensor sends signals to the computer NOT to your temperature gauge on the instrument panel. That is a different sender. So your coolant temp gauge on the instrument panel may show normal.

Feb 08, 2011 | 2001 Nissan Sentra

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I am getting P0128 obd code for my nissan sentra. how to solve this

Take note of the blurb regarding NISSAN products below

A code P0128 may mean that one or more of the following has happened:

Past experience indicates that the most likely solution is to replace the thermostat. However here are some suggestions on troubleshooting and repairing a P0128 OBD-II code:

  • Verify coolant strength & level
  • Verify proper cooling fan operation (check if it's running more than it should). Replace if necessary.
  • Verify proper engine coolant temperature (ECT) sensor operation, replace if necessary.
  • Verify proper intake air temperature (IAT) sensor operation, replace if necessary.
  • If the above items check out good, replace the thermostat
  • If Nissan vehicle, check for Technical Service Bulletins (TSBs), as the ECM may need to be reprogrammed to correct the P0128 code

Nov 17, 2010 | 2002 Nissan Sentra

1 Answer

I have a 2005 Nissan Sentra. The temperature gauge keeps fluctuating up and down. Usually if I'm stopped at a red light and just idling, the gauge will creep up into the red area and then go back down...

I have seen this happen to a few cars when they were running REALLY low on coolant (anti-freeze) AND/OR had a major air pocket trapped in the cooling system.
Heres whats going on:
The gauge is driven by a temperature sensor that sticks into the cooling system. When your really low on coolant, some times the temperature sensor is exposed to air, instead of liquid coolant and the temperature of the sensor drops. As your driving around sometimes liquid coolant touches the sensor and the temperature reading will spike again to normal readings or to an even hotter reading then normal (because what little fluid is in the system is not enough to maintain proper temps).
If you recently filled up or topped off the coolant from a low coolant situation then you may have a major air bubble locked in the system, although this is far less likely in the small Sentra cooling system, but you never know.
Lastly, the sensor itself or the plug into the sensor is loose, broken, or shorting. You or someone you know can try to locate the coolant sensor for the gauge and see if the connect to the sensor is loose or the wire have become damaged, giving you readings all over the place.
nissanhelp . com is a great place for help and you can find factory service books on there. You can join for free and ask questions.

Oct 28, 2009 | 2005 Nissan Sentra

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