Question about 2002 Nissan Frontier Crew Cab

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Frontier running below recommended temp., what do i need to replace for this to stop. and also i am getting a fuel level sensor code.

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Temp problem - replace thermostat (yours is stuck ion)
Fuel sensor code is poor ground at tank/sender

Posted on Mar 22, 2011


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How to repair P0125 for 2000 Mercury Mountaineer

P0125 OBD-II Trouble Code Technical Description Insufficient Coolant Temperature For Closed Loop Fuel Control What does that mean? This means that the engine coolant temperature (ECT) sensor indicates that the engine has not reached the required temperature level to enter closed-loop operation within a specified amount of time after starting the engine. Symptoms You will likely not notice any drivability problems. Causes A code P0125 may mean that one or more of the following has happened: Insufficient warm up time Low engine coolant level Leaking or stuck open thermostat Faulty coolant temperature sensor Possible Solutions The simplest thing to do is to reset the code and see if it comes back. If the code comes back, the problem is likely going to be the result of the above causes (faulty thermostat, faulty ECT sensor, or a low coolant level). Other ECT sensor and circuit related DTCs: P0115, P0116, P0117, P0118, P0119, P0128 Register now to ask a question (free) Related P0125 DTC Discussions 1996 chevrolet Caprice p0125 Car start properly but after 5 or 10 minutes driving start doing missing and stop. After that car will not start but 20 minutes it start but again stop, if you just start the care and don?t drive it will start 24 hours with no issue but if you will go for drive than you will stuck in middle of the r... P0125 on a Saturn Sc1 My grandpa's car has a p0125 check engine light on. Tha car will not start and is running rich on fuel. We tried replacing the fuel pump and filter, fuel injectors and even the coolant temp sensor and it didn't work. What else can it be? Here's the code. P0125- closed loop fuel control insufficien... 1997 corolla engine code p0125 Im getting code p0125 in my 1997 corolla and have changed thermostat coolant temp sensor and have topped up coolant level but code keeps reappearing any sugestions would be appreciated.... 2000 4runner P0125B code Engine light came on. Local garage read code as P0125B. Internet search says engine coolant temp. sensor which I will replace. Where is it located on 3.4L engine?... camaro codes p0404 p0505 p1404 p0304 p0122 p0125 Hey I got the codes when I ran my test p0122,p0125,p0304 P0404,p0405,p1404 was wondering what's all that and the price or it better to replace the motor...

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May 18, 2015 | 2000 Mercury Mountaineer

1 Answer

Why is my 2000 frontier using too much gas lately? The truck has 230k miles and the motor sounds very quiet.

Engine temeprature sensor may not be working properly, tricking the engine computer to believe the engine is always "cold." Ome engine comuters may not detect a failed engine temp sensor. Another possibility, and more likely, is a defective fuel pressure regulator. It may force the fuel pressure to be high, which results in more fuel being injected than the engine expects or needs. Check the fuel pressure int he fuel rail.

Dec 12, 2014 | 2000 Nissan Frontier

1 Answer

Temp sensor

I'm not a 100% but it sounds like your camshaft position sensor went bad then caused the other codes to come up because the camshaft position sensor tells the computer how much gas it needs. So it started a chain reaction with the fuel level sensor, fuel temperature sensor, and knock sensor codes. The Fuel temp. sensor helps the engine to know how much fuel to inject as well depending on the temp. of the fuel. The fuel pressure sensor senses the amount of fuel in the fuel rail by reading the internal pressure of the rail, so that's what leads me to believe that it's your camshaft position sensor. Particularly if that was the first code that came up. Hope this helps you.

Aug 27, 2013 | Nissan Xterra Cars & Trucks

1 Answer

I have a nissan frontier 2005. code came back P0463. the engine light is on . what can i do

Hello! the problem is a defective Fuel Sending Unit...It does not require replacing the fuel pump assembly which is quite expensive...A dealership will replace the entire unit...All that needs to be replaced is the sending unit...See drawing below...Cost is $30...You can DIY if you have a little experience...It's a difficult job in that the fuel tank needs to be dropped...Included procedure if you intend on DIY...Guru...saailer

1. Jack up driver rear side and remove tire...
2. disconnect electrical lines to tank...
the one electrical line will require two small screwdrivers to undo the clip
3. Remove 3 bolts on the straps that hold the tank in place...
4. Slowly drop gas tank down...(Less gas, lighter tank)...
5. Unclip electrical harness at top of sending unit (do not disconnect the fuel line)...
6. With hammer and screwdriver, spin the locking ring on top to align the locking tabs/grooves and remove... (some spray lube helps)
7. Pull out sending unit completely from tank...
8. The sensor is on the very bottom un-clip 2 harness and it slides off the unit...
9. Replace with new fuel level sensor...
fuel level sending unit part # 25060-zs00a...
10. Follow steps in reverse to assemble back together
and your done...


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May 06, 2012 | 2005 Nissan Frontier

2 Answers

I have a 2006 lucrene i am getting a P0128 code (coolant temp below thermostat temp) do i need to replace thermostat?


Dec 09, 2010 | Buick Lucerne Cars & Trucks

1 Answer

How repair replace part for code p183,p420,p430,p462

PO183--Engine Fuel Temp Sensor,Verify PID Value
PO420---Catalyst System Efficiency Below Threshold (Bank1),O2 Sensors,Coolant Temp Sensor,Misfiring,etc
PO430--- Catalyst (Bank2)
PO462---Fuel Level Sensor Circuit Low Input,pump module,etc

Well----Codes do not tell you what part to replace,Just that a possible system failure has ocurred
Unless you have a scanner,not a code reader and a trouble chart,your done.
No experience,done

I would speculate, that you only have a couple of, not too serious issues,but wouldn't guess,it doesn't work that way.
Always test,and only replace things if they fail a test.

Is the battery okey and alternator output good ?

Oct 21, 2010 | 2004 Nissan Titan

3 Answers

I have a code P0128, what is my problem is this in the cooling system?

This code is for your Coolant Thermostat - It's detected that the Coolant Temperature is below the Thermostat Regulating Temperature

This code may mean one or more of the following has occurred:
  • Low engine coolant level
  • Leaking or stuck open thermostat
  • Cooling fan running too much
  • Faulty coolant temperature sensor (ECT)
  • Faulty intake air temperature sensor (IAT)
Check the following to see if it resolves your problem:
  • verify coolant strength and level
  • verify cooling fan operation and replace if necessary
  • verify ECT sensor operation and replace if necessary
  • verify IAT sensor operation and replace if necessary
  • if all above checks out, replace the thermostat

Oct 16, 2009 | 2002 Buick Rendezvous

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