Question about 2005 Nissan Sentra

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Chek engine light on. Code read thermostat. Could it really be the thermostat.

Check engine light comes on and off. Had the code test done. Comes back as the thermostat. My main concern is that alot of people are saying that with their nissan sentra between year model 2000-2008 the check engine will not go off even though they have almost replaced everything on there car.( as much money they spent could have bought them another car) Is this a defect on nissan???

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  • 68 Answers

Disconnect battery for 15 minutes, and then reconnect. Codes reset, but you will have to reset radio , you have code dont you

Posted on Aug 21, 2017

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6 Suggested Answers

6ya6ya

6ya staff

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SOURCE:

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Posted on Jan 02, 2017

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Anonymous

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SOURCE: 2003 Nissan Altima 2.5S, Check Engine Light Problem.

this problem could be caused by the mass air flow censor, i had the same problem with my car. it is really pricey at the dealer so you might want to check elsewhere for this part. I found one at a scrap yard for 85% less that the dealer and i also got life time warranty, the dealer does not offer any warranty on this part.

Posted on Oct 22, 2008

Richard Scordino

  • 6982 Answers

SOURCE: Computer "not ready" for emmissions testing

Your computer will re-set and be "ready" after a certain number of restarts and miles, depending upon how much you use the car it should take from a few days to a week. Surprised the tech didn't tell you that!

Posted on Mar 22, 2009

pal03246

Phil Lovisek

  • 726 Answers

SOURCE: Nissan Sentra 2001 gxe with code p0420

You will need a new catalytic convertor assembly. Yours is below treshold efficiency in other words its "no good".If you have it replaced, ask the garage/dealer to give you the old one back. Its worth some cash if its full. It doesn't matter thet it failed. They are going after the mesh inside of it and that is worth some $$$$. May not be much , but better than nothing.

Posted on Jul 26, 2009

beauman

Wes Manacop

  • 60 Answers

SOURCE: 1997 nissan sentra, scan code reads p0100/ mass or

you may havta replace the air flow meter module.

Posted on Jan 04, 2010

Susan Price

  • 1857 Answers

SOURCE: 98 Nissan Maxima - Check Engine Light, Knock Sensor

If the car is pinging you will set a knock sensor code.'
This comes from bad gas and running lean., You really need this professionally inspected to rule out the basics. I have seen alot of nissans with the knock sensor code stored but the light is still off.
Fill up the tank with high octane chevron and some techron injector cleaner and clear the light. If it stays off for a couple days then go get it inspected. Even if the code is stored it will still pass as long as the light is still off and the monitors have run.

Posted on Jan 04, 2010

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3 Answers

When i drive the car the check eng light comes on then in a bit it will go out I check for code's but there's no code's?


You can only check the code whilst the light is on. Leave the code reader plugged in. When the light comes on, pull over if safe to do so and read the code reader.

I had a similar thing on my Lexus. It was a thermostat sensor that was telling the engine stayed hotter than it should for a while until the thermostat opened.

Dec 17, 2015 | Cars & Trucks

1 Answer

My jeeps check engine light is on...it has a hesitation when accelerating and acts like it wants to fall on its face when started


Hi .
When the check engine light comes on this means the management system has found a fault within the system ,
what you have to do is get the codes read ,this you can get done at your local Garage or dealer ,and in some states you can get a free code read out at autozone ,
From these code you will know what your problem is.after the repairs are done the engine light gets cleared and should not come back on if the repair was correctly repaired.

Kind regards Indy

Aug 16, 2010 | 1995 Jeep Cherokee

1 Answer

1994 jeep cheokee sport 4.0 check engine light comes on and off wht could it be?


You really need to have a code scan done. Any number of sensors can be out of range causing the light to come on. Code scan (free at most major parts stores) will point you in the right direction, then you will need to test using a digital multi-meter to check individual components ( haynes or Chilton manuals have instructions and test values) Also check sensor wiring to make sure it's not grounding on the engine or a hot pipe.
Test...don't guess.... if you do it can get really expensive really fast.
You can do a basic test for codes by turning the key on and off three times, leaving it on the third time (without starting it) The light will flash in sequence, each group is a number eg: three flashes is the #3. numbers will be in groups of two with a pause between. (code 33 would then be three flashes, three flashes then a pause then the following number. Ignore code 55 as that tells you when it's finished. (you will still need the book to know what the codes mean)

Apr 13, 2010 | 1994 Jeep Grand Cherokee

1 Answer

Check engine light comes on. diagnostic test


Never heard of a thermostat sensor. There is a diagnostic code that wil lbe set if the engine computer observes that the thermostat is not allowing the engine to reach operating temperature quickly enough. This code is based on information sent by the engine coolant temperature sensor. 99.9% of the time a new thermostat solves the problem. Use an AC Delco thermostat.

Dec 30, 2009 | 2003 Chevrolet TrailBlazer

1 Answer

2004 wrangler chek engine light on. Code


a fuel cap indication would mean a leak not nessesaraly your gas cap, id check the fuel neck vent hose for a leak

Nov 04, 2009 | 2003 Jeep Wrangler

1 Answer

Check engine light on and will not go off went


if its code p0442 the most common problem is gas cap unless they reset the code for u the vehicle has to cycle- start up a few times or reset after certain amount of miles are driven--but-- this code also can b a cracked, broken,or disconnected vent line,go back to auto zone have them rescan and check for code and have them reset the trouble code if it comes back on than a problem still is present

Oct 26, 2009 | 2004 Chevrolet Corvette

2 Answers

'check engine' comes on


the 1st step to resolve a check eng light is to have the computer control system tested for the trouble/malfunction code that is stored when ever the ck eng lt is turned by the computer on, there are over 200 such trouble codes so guessing is not really an option, have the memory read for the code and post the code back here on fixya.

Jul 24, 2009 | 2007 Maserati Cambiocorsa Coupe

1 Answer

Mine is 1999. all of a sudden check engine light come on, stays on the car jerks, excelleration is slow.


1st thing u need t do is have the system tested for the trouble code that is stored anytime the check eng light comes on, there are over 200 such codes so guessing is not an option, u need to have the test done and post the code back on fixya

Jul 08, 2009 | 1998 Cadillac Seville

3 Answers

P0340 CODE COMES UP,SENSOR REPLACED CODE STILL COMING BACK.IF ENGINE IS REVED ABOVE 1500 DASH LIGHT GOES OUT BUT WHEN ENGINE IDLES DASH LIGHT COMES BACK ON.


i have 2000 cadillac deville runs really good it has a po340 engine code runs good b when i come to a complete stop the engine idles up and down only at a complete stop what do i need to do

Oct 22, 2008 | Cadillac STS Cars & Trucks

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