Spark Plug Replacement (how-to) - Page 2 - Nissan Murano Forum
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post #16 of 84 Old 08-09-2008, 11:46 PM
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Thanks for the instructions... question though:

5. Wait 7 seconds, then press the accelerator for 20 seconds until the "Service Engine Soon" light stops blinking and turns ON.


Do you just press the pedal any amount? Will this step cause teh SES to start to blink and then you wait for a steady SES?

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post #17 of 84 Old 08-09-2008, 11:56 PM
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Quote:
Originally posted by Gonzo
Thanks for the instructions... question though:

5. Wait 7 seconds, then press the accelerator for 20 seconds until the "Service Engine Soon" light stops blinking and turns ON.


Do you just press the pedal any amount? Will this step cause teh SES to start to blink and then you wait for a steady SES?
Hold it down to the floor for 20 seconds.

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post #18 of 84 Old 08-10-2008, 12:04 AM
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Yes, press the pedal to the floor. Then the light starts blinking then becomes a steady on.

Another thing I forgot to mention the "Idle Air Volume Learning" procedure did not work when the "Service Engine Soon" light was on, I had to clear the code then perform the procedure.
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post #19 of 84 Old 08-25-2008, 07:21 AM
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Part number intake manifold gasket

I am looking to change the plugs on my 2005 murano this coming weekend. I see in the procedures that the intake manifold gasket needs to be replaced and when i searched this on the nissancourtesy website a few gaskets were listed. Does anyone know the correct part #?

Thanks in advance
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post #20 of 84 Old 05-24-2009, 02:11 AM
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I replaced the spark plugs today , and it was a pita. After I completed the job and reconnecting everything I immidiately got a service engine soon light. I reset the ecu and it went away. Why would I get this light and what should I do if it comes back ? I double checked to make sure everything was connected and everything again.

Quote:
Originally posted by HXSILVA
I did the job last weekend be very careful taking off the wipers as I broke the windshield trying to pry the passenger side off. It turned out the passenger side had more pressure and when I lifted the wiper off of the windshield it came off of the knurl. Cost $205 to have someone come to my house to replace the windshield.

My other point was my "service engine soon" light came on after I put it all back together. I pulled the code, which, came up as:
P0507 (Too high idle)

When I took off the intake I sprayed some 3M Intake / Throttle Cleaner Spray into the throttle body and the ports. I don't know if this had anything to do with the code coming on.

Well I found out from a Infinity G35 forum that you need to perform "Idle Air Volume Learning" procedure when the Idle Control Valve is disconnected. I cleared the code then I,

The first thing it says to do is to perform an "Idle Air Volume Learning" procedure:

1. Start engine and warm to operating temp
2. turn engine to OFF and wait at least 10 sec.
3. Turn IGN to ON and wait 3 seconds
4. Floor and release the accelerator 5 times within 5 seconds
5. Wait 7 seconds, then press the accelerator for 20 seconds until the "Service Engine Soon" light stops blinking and turns ON.
6. Wait 3 seconds after the SES light comes on, and then release the accelerator.
7. Start the engine, let it idle and wait 20 seconds.
8. If idle is not to spec, then perform diagnostics as per below:

- Check the PCV hose to make sure it is connected
- Check around the intake plenum for a vacuum leak (after the MAF) - could the gasket have been crushed when the plenum was installed? I've read about that happening on other installs.
- Last resort is to replace the ECM with a good one, although it sounds more like you have a vacuum leak to me.

I found this at:
http://forums2.freshalloy.com/showthread.php?t=128258


After I did this procedure my idle went back to normal and after about three hours of driving today the code has not come back on.
I am keeping my fingers crossed.

Good Luck
answered my own question. sorry.
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post #21 of 84 Old 08-29-2009, 07:34 PM
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Thumbs up Replaced my spark plugs

Bought my Murano with 101k miles. There were no service records about a spark plug change so I decided it was time to change them.

It was about a 2.5 hour job. Bought the NGK plugs and intake manifold gasket. One of the plugs in the back manifold was wet with oil or coolent. Car is more responsive now.

Thanks to this forum the job was not that bad.
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post #22 of 84 Old 09-19-2009, 08:17 PM
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Thanks to everyone who contributed to this post. Did the plugs on my 05 Murano today.... kudos to those who did the job in 2 1/2 hours! I guess I'm slow - it took me 4 1/2 hours, including a trip to Lowes for a socket that I needed. Some of those bolts are a major PITA - especially the collector support bracket. Ouch!

I thoroughly cleaned the manifold and collector with carb cleaner but did not have any service engine light problems like some others did.

At 140K miles, the car runs like new now. Took care of the detonation problem I was having. The old plugs looked pretty lousy. No fluids on them though so I'm happy about that.

Total cost was $60 for the NGK spark plugs and $40 for the gasket = $100. I probably could have gotten the gasket for less if I ordered it online instead of buying from the dealer.

thanks again
Charles
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post #23 of 84 Old 09-27-2009, 01:00 PM
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I'm only at about 51000 miles on my '06 MO, at what point should one consider changing plugs?

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post #24 of 84 Old 09-27-2009, 04:19 PM
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Quote:
Originally posted by BEACHN
I'm only at about 51000 miles on my '06 MO, at what point should one consider changing plugs?
You are at the midpoint of the 105,000-mile projected life of the spark plugs.

-njjoe

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post #25 of 84 Old 06-21-2010, 01:16 AM
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I didn't see any one mention about the PCV valve. Since the intake manifold is such a pain to remove I went ahead and replaced the PCV valve. Its just an extra $10.

And as an FYI using other mfg spark plugs is just a waste of time,
I had replaced them at 95k miles with Bosch. during the paste 2-3 weeks I noticed I was getting really bad gas mileage. I took it to a mechanic that didn't really find anything wrong, he asked if i changed the spark plugs already- told him I did, but he still went ahead and check the front 3 and It looked almost as bad as the original ones.

So this weekend I replaced them with Nkg plugs.
It took about an hour, Since I am able to reach around the back and remove the bolts from the intake manifold without removing the additional parts

Drove it for past 2 days gas mileage is back to normal
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post #26 of 84 Old 06-21-2010, 01:42 AM
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You mean you have a short cut in accessing the plugs at the back? Do share.
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post #27 of 84 Old 06-21-2010, 02:25 AM
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3. To gain access to the rear of the intake manifold, the upper cowl first needs to be removed.
a. Remove caps from left and right windshield wiper arms.
b. Place tape on windshield marking where the wiper blades make contact with the windshield.
c. Loosen and remove the nuts the hold the wiper arms.
d. Remove the wiper arms.
e. Remove rubber strip from on upper cowling, it is held on by plastic tabs that can be pulled straight up and out.
f. Remove both left and right plastic cowling covers, disconnecting washer hoses from both.
g. Remove bolts that secure the lower cowling cover string from passenger side, then remove the cowling itself.
-----------------------------------------------------------------------------------

I Avoided the above steps by using a ratchet with an extended handle, since was able to get one hand behind the intake manifold this made it easy for me.
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post #28 of 84 Old 06-21-2010, 08:42 AM
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Quote:
Originally Posted by DJFRDJR View Post
b. Place tape on windshield marking where the wiper blades make contact with the windshield.
Least I wouldn't have to worry about this step any how. I've got so much pollen on my windshield that there's a permanent line where my blades stop.

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post #29 of 84 Old 06-22-2010, 11:58 AM
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I didn't mess w/ the tape either. If you are off an inch or so, it doesn't matter. Plus I have a nice mark there, as well.


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post #30 of 84 Old 07-23-2010, 08:29 AM
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The wiper arms are giving me a little trouble. Should I just yank on them real hard cause after I removed the bolts I wasnt able to remove the arms that easy...
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