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Changing spark plugs on 2003 xterra - 2003 Nissan Xterra

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Posted on Jan 02, 2017

SUL827
  • 93 Answers

SOURCE: Spark Plugs

It is very difficult to change it is all done by feel as you cannot see it. You need to pull the wire off and "remember" the path it took to come out as this is the way you will have to remove and install the plug and put back the wire. Also, be very mindfull while installing the plug because it can be stripped out fairly easy if your not carefull. Good luck.

Posted on Sep 16, 2008

  • 1 Answer

SOURCE: Changing spark Plugs

In reference to the Best Solution comment posted by "Apprentice" on October 6th, 2008, I add the following: This weekend I went through the ordeal of changing spark plugs and leads on a 2001 3.3 V6 Xterra owned by my younger son. Although some changes were relatively easy, there were those that had a degree of difficulty, in particular the 6th spark plug and lead at the rear of the engine between the block and the firewall. To simplify the removal and replacement of same, firstly remove the hood, this will give you addidtional space to maneuvre. Next remove the brackets that secure the A/C piping that runs across the upper area of the firewall. Also, release the brake lines from their firewall securing clips. You may even want to remove the brackets. Make it easy on yourself and remove any obstructing bracket, hoses etc that may inhibit access to the plug in question. Remember that the plug is below and inline with the 5th plug and the indentation in the firwewall. By removing all obstacles, you can now drop a swivel socket onto the plug head which is at a slight angle pointing towards the firewall. It is difficult to remove the plug lead but persevere and it will come off however, before you attempt to remove the plug, get a mirror down between the block and the firewall, shine a flashlight into it, and look to see if the ceramic on the plug has broken away (happened to me), this procedure will also help you locate the position of the plug. If present, make sure that you clean any debris out of the channel around the plug base. You really need someone with small hands and wrists to get down in there to remove any debris with a small straight edge screwdriver, the same goes for placing the swivel socket on the plug for removal. You will need a short extension connected to the socket and then a long extension with swivel to rise above the firewall. This is necessary to attach the socket wrench to the top of the final extension and give yourself adequate room to rotate. Remember, the angle is only slight and the extensions should be almost upright but favouring a slight angle towards the firewall. Be very careful when applying pressure to remove the plug and ensure the socket is perpendicular and not leaning to left or right, as you risk snapping off the plug terminal. Once the plug is out (only use a proper plug removal socket that will retain the plug securely within its body)remember the plughole position and angle, place the new plug into the secure socket and guide carefully towards the hole. Rotate the socket slightly clockwise and anti-clockwise and without pressure until you feel the plug seat down in the hole. Gently rotate the socket/plug clockwise into the thread. Once you know the plug is seated correctly and has connected with the blockhead thread, continue to rotate until tight but do not overtighten as you will risk snapping the plug off at the stem. Once in securely, those small hands come into play again to replace the plug lead, press downwards on both sides of the plug lead flange until the connector snaps in place over the plug stem, replace hoses and brackets, secure all pipelines and cables, clear all tools away from the top of the engine or around the compartment and crank the engine up before replacing the hood. If you have done everything correctly, the engine will fire up immediately. Once satisfied, and after patting yourself/ves on the back, replace the hood and test drive. You will find the difference amazing and the efforts worthwhile. Another tip, secure all extension rods, swivels and socket with electrical tape at the point of connection, this will ensure that if you have to tug hard at any time to get the tool out, it will not come apart. Important: Use only approved rating spark plugs that are designed to last 100,000 miles or you will not only be cahnging them again after 20,000 miles +/- and your vehicle will be once again a gas guzzler. approved ratings run between $2.50 and $9.50 per plug. Get the best, maybe expensive initially but, in the long run, you will benefit. Oh, yes, almost forgot. Advisable to disconnet the battery before you start working around the engine. Unlikely that the engine would kick over but best favour the side of caution!! David SE Florida Brit Property Consultant

Posted on Jun 14, 2009

HyeProfile
  • 35 Answers

SOURCE: 2000 nissan xterra knock senor and plug 5

Change your oxygen sensor. They're due...

Posted on Aug 04, 2009

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1 Answer

How do I know the numbers for the spark plugs to a 2000 nissan exterra 6 cylinder suv?


the misfire could also be the coil that is what send's the spark to the distributor, if it is weak it will cause a random mis fire code for any cylinder, the plug wire's on my 2000 xterra are numbered it will be the second plug on the driver's side of the engine, the cam sensor will also give a mis fire code if it is malfunctioning, I have a 2000 xterra that is a night mare when it come's to code's and repair's it is not alway's the first thing you think with these vehicle's, try to change all the plug's and dis connect the battery for 20 minutes then hook it back up and run down to your local autozone or pep boy's and have them hook up an OBD to see if it is fixed or if another code appear's

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More likely bad spark plug wires

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How to install a EGR valve on a 2003 Nissan Xterra


EGR is for NOX

Too Rich a fuel mix is HI CO

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1 Answer

2003 nissan xterra engine stalled at red light. unable to start.


Hi and welcome to Fixya!

You may have a faulty coil pack. If the coil pack is faulty it tends not to give current to the plugs. It is located at the side of the engine where the spark plug wires are connected. Once you removed the cap you will gain access to the coil pack. You will need to pull it out and replace it with the new one.

Hope this helps and thank you for using FixYa! Have a good one!

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1 Answer

My 2000 xterra studders upon starting and runs like **** for five mins before dying i cant figure out the problem i have changed out the ecm, spark plugs and wires, rotator button, fuel filter, air filter


just questioning whether you put the spark plug leads back on the correct order or not, as this sounds like a bad misfire....was it like this before you performed all that work on it, or has it only just started

Oct 27, 2010 | 2000 Nissan Xterra

1 Answer

Hi I have a 2001 Xterra, Manual, 213,000, runs rough at random


If your mechanic changed the spark plugs. Make sure he did a few things.

First make sure he used NGK plugs. I have seen other make plugs cause running conditions.

The other thing is make sure plug number 6 was changed. I can not tell you how many times I have seen shops leave that one cause it's to hard. That also can give you the ruff condition.

Last but not least, if the distributor cap and rotor and wires were not replaced, it may be possible that you could have a spark issue being loss. If you notice it more when conditions are wet, then it has to be related to those items.

Thanks Jay!

Jul 20, 2009 | 2001 Nissan Xterra

2 Answers

2000 nissan xterra knock senor and plug 5


Have you changed all the plugs to platinum and wires? My xterra was doing that and I changed all of them and now it runs great. Also, I changed the distribitor cap and rotor button.

Jun 10, 2009 | 2000 Nissan Xterra

1 Answer

Replacing spark plug wires and spark plugs 03 supercharged xterra...HOw to and how hard is it to do?


It take myself, a Nissan technician about 45 minutes to do. That's after doing them about 10 or so times.

They require patience, locking 6" extension if you have one. A flex head spark plug socket and a decent ratchet.

May 11, 2009 | 2003 Nissan Xterra

1 Answer

Spark Plugs


It is very difficult to change it is all done by feel as you cannot see it. You need to pull the wire off and "remember" the path it took to come out as this is the way you will have to remove and install the plug and put back the wire. Also, be very mindfull while installing the plug because it can be stripped out fairly easy if your not carefull. Good luck.

Jul 21, 2008 | 2003 Nissan Xterra

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