G35 Sedan V35 2003-06 Discussion about the 1st Generation V35 G35 Sedan

Spark plugs

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Old Apr 23, 2017 | 08:24 PM
  #16  
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Ok thanks so much
 
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Old Apr 23, 2017 | 10:31 PM
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PCV cleaning might take all of 10 minutes, is it really worth replacing?

Originally Posted by ScraggleRock
Clean your throttle body, and MAF. Should fix your idling problems. Change your PCV valve too. It's probably never been changed.
Also, check for cracks in the rubber coupler between the intake tube and throttle body. Cracks in that coupler (or anywhere after the MAF) can pull in unmetered air and cause idling issues.
Good advice Scraggle, however the PCV valve never needs to be replaced...only cleaned! Remove and squirt carb cleaner down each end, shake until it radials, dump the cleaner and reinstall. Do this ever 30K miles and you've removed the PCV valve ever being an issue.
Gary
 
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Old Apr 23, 2017 | 10:35 PM
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Originally Posted by gary c
Good advice Scraggle, however the PCV valve never needs to be replaced...only cleaned! Remove and squirt carb cleaner down each end, shake until it radials, dump the cleaner and reinstall. Do this ever 30K miles and you've removed the PCV valve ever being an issue.
Gary
Whether or not that's true, a PCV valve is cheaper than a can of carb cleaner. I would also only trust that advice if it was regularly maintained. At 190k miles and most likely never been done..I'd just replace it and start over.
 
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Old Apr 24, 2017 | 07:53 AM
  #19  
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Ok now that I've replaced the plugs I'm getting an oil burning smell from the passenger side near the intake manifold where the plug. I know this is vague but any clue what this may be. May check engine light is off now. I'm clueless at this point. Gonna clean the throttle body, MAF, and get a pcv valve today
 
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Old Apr 24, 2017 | 10:53 AM
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Originally Posted by dlodeuce4


They were in bad shape

The deposits on the 2nd plug to the left would concern me a bit. Any others look like that?
 
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Old Apr 24, 2017 | 01:04 PM
  #21  
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From the second on back on the passenger side and I'm confused why
 
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Old Apr 24, 2017 | 02:00 PM
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Originally Posted by dlodeuce4
Just need a straight up answer not a whole lot of sarcasm. I appreciate you urbanengineer
Not sarcasm from me, just replying to your quote with a question which you still haven't answered........
 
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Old Apr 24, 2017 | 02:09 PM
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Originally Posted by Mustang5L5
The deposits on the 2nd plug to the left would concern me a bit. Any others look like that?
I would suspect that's just the result of 190K miles without changing plugs. What I can't understand is how someone buys a car with 134K miles and doesn't make sure all routine maintenance is done before driving another 60K: fluids, brakes, belts, spark plugs etc.

OP I'm not trying to make you mad, just trying to understand your mindset.
 
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Old Apr 24, 2017 | 02:22 PM
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Well I replaced the brakes, belts, changed oil had tranny work done too. I apologize for not changing the plugs it was running fine actually. I got your help now so I'm good.
 
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Old Apr 30, 2017 | 10:47 PM
  #25  
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Ok fellas I'm at a loss. I changed plugs, new pcv valve, cleaned my MAF and my SES light came back on after I turned it off. No oil deposits and no oil on my coils. Any idea what it could be?
 
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Old May 1, 2017 | 07:28 AM
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What code did it pop up before you turned the light off? I'll bet it shows your issue. Fix whatever it is and you should be good to go. This isn't rocket science.....
 
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Old May 21, 2017 | 01:15 PM
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Hi guys, my sons 04 G35 coupe I want to change plugs, just want the best option, and see where somebody says to get these, I am in Phoenix, so hot, so maybe these are 1 step cooler plugs?
LFR6AIX-11
 
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Old May 21, 2017 | 01:32 PM
  #28  
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Those would be an excellent choice
 
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Old May 21, 2017 | 01:43 PM
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Great thank you so much! I just changed them on my 2 Lexus, seems close to same job...
 
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Old May 21, 2017 | 01:45 PM
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also do you use anti seaze? I the Lexus they say not to use it, so want to be sure.
 
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