Question about 2000 Nissan Altima

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Where is the knock sensor for 2005 nissan altima 2.5 for the crank

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Its tward the front of the engine in the head has two wires unplug them and spray the sensor with penetrating oil before removing or it will break.let it soak 30 min repeat as necessary

Posted on Jan 09, 2013

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Posted on Jan 02, 2017

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SOURCE: 2005 Nissan Altima

HEY WHATS UP BRO this is what you have to do i just got brand new headlight replacements for my 05 nissan altima and it looks great by the way if you replace one you should just do both becasue it will look weird. anyways i have an hid kit as well but so. what you have to do is remove the bumper take all the plastic screw things off the top and on the botton underneith the bumber then you remove 2 screws on each side of the bumper they are located kinda in the dender well then you unscrew those then you can pretty much pull the bumper off there are 4 screws holding on each headlight 2 on top one on the side and one on the bottom front in order to remove the headlight you have to take off the bumper. hope this helps oh ya and buy buy the way you should get an hid kit the bulbe size for the altima is an h1 bulb and you need to get the single beam buld. get it at xenoneyes.com and the the 6000k. The 6000k look the best and is the brightest trust me you wont be let down they are brighter and last longer than the standard halogen bulb um also and like 5 times brighter. they are 129$ at xenoneyes.com thats the cheapest price that i have seen and they are a great value and good quality just dont touch the bulb. oh ya if you replace one headlight do both it looks much better. maybe try this web site to show you a little bit of how to do it
http://images.google.com/imgres?imgurl=http://thaibruin.netfirms.com/ALTIMA/HID5.jpg&imgrefurl=http://www.nissanclub.com/forums/f-q-2002-2005/65970-how-installing-h-i-d.html&h=600&w=800&sz=60&hl=en&start=17&um=1&usg=__9gLitht8i7ud-QSgy-x_rCBvSWM=&tbnid=TUGSVoemsGTp1M:&tbnh=107&tbnw=143&prev=/images%3Fq%3D02%2Bnissan%2Baltima%2Bhid%2Binstall%26um%3D1%26hl%3Den%26safe%3Dactive%26rlz%3D1T4GGIH_enUS216US216
hope this helps my email is matthewsg2007@yahoo.com let me know how it comes out

Posted on Sep 19, 2008

emissionwiz
  • 76848 Answers

SOURCE: IAT Sensor Location on a 2005 Nissan Altima

It is small and round (2 wire connector) and located either in the flexiable air intake hose to the engine or in the engine air filter housing.

Posted on Nov 18, 2008

  • 383 Answers

SOURCE: CRANK SHAFT POSITION SENSOR 20002 NISSAN ALTIMA

1st, Nissan had a recall on Crank position sensors for 2002-2006 Altima's. Check with you dealer before you go doing any repairs. You may discover you can get your car repaired at no charge.
NHTSA Campaign ID number :O7V527000
Symptom: Erratic behavior. Stalling and no starts and very difficult to diagnose due to the time frame in which the component actually malfunctions. The warranty should not be limited to the original owner.
I would also need more specifics as to which engine you have so I might assist you in where the location of the sensor is. The Altima had a 4 and a 6 cyl engine offered that year.

Posted on Apr 06, 2009

c17hydro
  • 2984 Answers

SOURCE: high idle stalls at lights code for crank sensor

Crankshaft and Camshaft Position Sensors Camshaft Position Sensor Engine timing is determined from the relationship between the crankshaft and camshaft. This relationship is maintained by a timing chain or timing belt. The Engine Management System does not control engine timing but it does monitor the relative position and speed of these shafts by monitoring signals generated by sensors. The Engine Management System (EMS) uses signals generated by the camshaft position sensor to synchronize fuel injection to the valve sequence and for the on-board diagnostic procedure for misfire detection. The EMS energizes the injector at or near the time the intake valve opens. For misfire diagnosis, the EMS compares the number of camshaft sensor reference pulses and the number of crankshaft position sensor reference pulses received. If the EMS receives an incorrect number of pulses Diagnostic Trouble Codes (DTC’s) should be stored in the EMS.
If the camshaft position sensor or circuit is faulty most engines will start. Some engine management systems will then default to a pre-programmed injector firing sequence. All injectors may be energized simultaneously or all of the injectors on one bank may be energized at the same time. If the CMP data is required for misfire detection and reliable CMP data is not present misfire detection would probably be suspended.
Related Symptoms The following symptoms can be caused by an intermittent wiring connection or faulty signal to the EMS:

  • Extended crank time with a cold engine
  • Intermittent rough running
  • Unstable idle
  • Bucking
  • Hesitation
  • Stumble
  • Chuggle
  • Poor fuel economy
  • Stalling on acceleration
Crankshaft Position Sensor Engine speed is a very important input to the Engine Management System (EMS). Crankshaft speed and position are the basis for many calculations made by the computer. Crankshaft position values are transmitted to the computer by pickup coils also known as Permanent Magnet (P/M) generators, hall-effect sensors or optical sensors. The Crankshaft Position Sensor (CKP) also known as engine speed sensor is located in close proximity to the crankshaft.
In addition the EMS uses minute variations in the CKP sensor data to determine engine misfire. The EMS uses this information in conjunction with the camshaft position sensor to perform misfire diagnostics.
Related Symptoms: No Start/Intermittent Start Condition – Can be caused by a faulty crankshaft position sensor due to loose connections, bad grounds, high resistance in the circuit, or opens in the circuit

Posted on Jun 23, 2009

cris_p
  • 62 Answers

SOURCE: how to replace knock sensor in 1995 nissan altima

remove the intake manifold ,remove radiator ,remove radiator intake and outake housing, remove fan ,remove all belts: power steering, alternator and if you have a/c, remove harmonic balancer ,remove timing belt covers, remove timing belt remove intake housinng once you have remove all the above, your freaken engine will look naked, you can see the location of the knock sensor is locate in the engine valley

Posted on Feb 19, 2010

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1 Answer

95 nissan altima po340


PO345 is the cam shaft positioning sensor and PO325 is the knock sensor. Check your starter and your battery.

Apr 05, 2014 | 1995 Nissan Altima

1 Answer

I changed the CKP sensor on my 2005 Nissan Altima 2.5L and it ran for about five seconds and it cut off. Now, it only cranked over but would not start as it did before.


This type of sensor usually requires computer re-calibration!! This is only done by the dealer!! Why was the crank sensor replaced?

May 27, 2011 | 2005 Nissan Altima

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94 altima crankshaft sensor position and knock sensor location


crank sensor located in trans bell housing.....near where lower radiator hose connects to engine.knock sensor located on back side of engine block below intake manifold and above oil filter.hope this helped.

Feb 13, 2011 | 1994 Nissan Altima

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2005 altima 2.5s Check engine light is on, If for some reason you don't start it on the first try, it has a hard time starting unless you pump the gas pedal while turning key. Takes about 2-3 seconds to...


There is a known issue with the crank/cam sensors. They are on there third update from Nissan. The normal symptom is an extended crank and occasional rough running. Knowing what code is turning on the check engine light will seal the deal on whether or not its the cam/crank sensors.

Jan 13, 2011 | 2005 Nissan Altima

1 Answer

My check engine light is on and I've been told it is the cam sensor, but I can't find one. It's a 2005 nissan altima. Do they have a cam sensor and a crank sensor?


This engine has both. Nissan recommends replacing them at the same time, I think your local Nissan dealer will tell you the same thing.The cam and crank sensors are in the rear of the engine.Looking from the drivers fender find the right rear corner of the valve cover and look straight down the back of the head. the cam sensor is 3-4 inches down from the valve cover gasket surface.the crank sensor is basically straight down from the cam sensor but much harder to see. it is just above the oil pan gasket surface...

Mar 29, 2010 | 2005 Nissan Altima

1 Answer

My 1995 Nissan Altima idles rough when at a stop or slow speeds (low rpm). Is it an emmission problem? EGR valve or sensor? Knock sensor? vacuum issue?


change ur Airflow sensor buddy. thats the only problem. And if yet it doesnt work then check ur crank sensor....

Aug 03, 2009 | 1995 Nissan Altima

2 Answers

CRANK SHAFT POSITION SENSOR 20002 NISSAN ALTIMA


1st, Nissan had a recall on Crank position sensors for 2002-2006 Altima's. Check with you dealer before you go doing any repairs. You may discover you can get your car repaired at no charge.
NHTSA Campaign ID number :O7V527000
Symptom: Erratic behavior. Stalling and no starts and very difficult to diagnose due to the time frame in which the component actually malfunctions. The warranty should not be limited to the original owner.
I would also need more specifics as to which engine you have so I might assist you in where the location of the sensor is. The Altima had a 4 and a 6 cyl engine offered that year.

Dec 18, 2008 | 2005 Nissan Altima

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