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Cleaning throttle bodies

Picked her up from dealer and I noticed a change in response right off. All they did was adjust ecu and clear CEL. Cleaned TBs. Took about 1.5 hrs including

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Old 08-18-2014, 11:32 PM   #46 (permalink)
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Picked her up from dealer and I noticed a change in response right off. All they did was adjust ecu and clear CEL.

Cleaned TBs. Took about 1.5 hrs including bowel movement and lonely mans lasagna meal. Not bad but boy were they dirty. 34K on her and I don't think it has ever been done. Used CRC TB cleaner about 40 qtips and 10 shop towels.

I did not disconnect because I didn't think it would give me much more maneuverability and didn't want to deal with reset. I did unbolt to get to back side, a must in my opinion. You really don't want all that garbage going into your baby.

Quote:
Originally Posted by 03g35coupe6mt View Post
i think as long as you dont push on the throttle plate and move it when its off you shouldnt have to do any reset.
OOOOOOPSSSSSSSSSSSSSSSSS!

I did move the butterfly. I wanted to make sure I cleaned every bit of it, and when you move it you can see what you miss. I was wondering about it as I started to move it.....second guess....**** it, move it, if it need reset oh well. Made no difference. I took it for a spin and not a problem. Idle was smooth at stops. I let her idle for about 3 or 4 minutes after wards and it was steady and smooth. I think it might be a few days before i can say the idle drop at stops has gone away completely.

Once again, thanks to you guys I feel comfortable and happy with my Z.
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Old 08-19-2014, 08:22 AM   #47 (permalink)
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GJ justice and thanks for confirming you could clean them without unplugging the harness.
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Old 08-19-2014, 08:44 AM   #48 (permalink)
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Quote:
Originally Posted by Justice97 View Post
Used CRC TB cleaner about 40 qtips and 10 shop towels.
FWIW, I found a cheap package of brushes at Walmart in the paint section. Three brushes: one SS, a softer brass one, and an even softer plastic one. The two softer ones worked great to start, then finished up with a shop towel

Quote:
Originally Posted by Justice97 View Post
I did not disconnect because I didn't think it would give me much more maneuverability and didn't want to deal with reset. I did unbolt to get to back side, a must in my opinion. You really don't want all that garbage going into your baby.
So did all that garbage get all over your engine bay? It didn't seem like there was much slack in the harness line. I disconnected everything so I could take it over to my driveway and spray it over the concrete. But whatever works for you I had 50K on mine when I did it - very noticeable improvement in the idle.

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Once again, thanks to you guys I feel comfortable and happy with my Z.
This form is the best!!
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Old 08-19-2014, 11:22 AM   #49 (permalink)
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So did all that garbage get all over your engine bay? It didn't seem like there was much slack in the harness line.
Actually what i did was rotate the TB so the intake side was facing down and i placed a couple of shop towels under it so it would catch the garbage and spray. I placed a towel on top to cover any splash as i sprayed. Once i did that i just took my time and wiped and sprayed and wiped and sprayed. Not a lot of room to work, but enough. Also no need to take off rear engine cover, I left mine on. So as for a mess, not really one at all.
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Old 08-19-2014, 11:27 AM   #50 (permalink)
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if i was to do it, i would clean the plenum side first, then stick a towel in there before
spraying the tb... with nothing other than RC car motor spray. and just
wipe off with a rag. i suppose i can buy a can of tb cleaner.
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Old 08-19-2014, 11:51 AM   #51 (permalink)
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that was the dealer do with my Z to resolve the problem loool!! they clean the throttle bodies and re-calibrate them... well that they told me
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Old 08-19-2014, 01:42 PM   #52 (permalink)
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Quote:
Originally Posted by Justice97 View Post
Actually what i did was rotate the TB so the intake side was facing down and i placed a couple of shop towels under it so it would catch the garbage and spray. I placed a towel on top to cover any splash as i sprayed. Once i did that i just took my time and wiped and sprayed and wiped and sprayed. Not a lot of room to work, but enough. Also no need to take off rear engine cover, I left mine on. So as for a mess, not really one at all.
Ok, so you did put towels down. I just wanted to be sure

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Old 08-19-2014, 07:45 PM   #53 (permalink)
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Originally Posted by carlitos_370z View Post
that was the dealer do with my Z to resolve the problem loool!! they clean the throttle bodies and re-calibrate them... well that they told me
Took mine in today! Will pick it up tomorrow as i got out of work late today

Good to hear everything is still working for you carlitos, i hope this solves our issue once and for all.
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Old 08-19-2014, 10:08 PM   #54 (permalink)
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This is covered under the 5 yr power train warranty? Any of you guys get this done also have Uprev?
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Old 08-19-2014, 11:29 PM   #55 (permalink)
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This is covered under the 5 yr power train warranty? Any of you guys get this done also have Uprev?
I am still in the bumper to bumper, but it could be. It just states warranty on the invoice, not which one. And No to the Uprev.
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Old 08-20-2014, 08:04 AM   #56 (permalink)
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Quote:
Originally Posted by P's_Z View Post
Took mine in today! Will pick it up tomorrow as i got out of work late today

Good to hear everything is still working for you carlitos, i hope this solves our issue once and for all.
Thanks bro!!! let me know when you pick up you Z
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This is covered under the 5 yr power train warranty? Any of you guys get this done also have Uprev?
well i dont pay a $$$ for that job... so its covered under the warranty

Well i dont have uprev yet and i think Pedro either
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Old 08-20-2014, 05:35 PM   #57 (permalink)
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Picked it up today! No charge the first time in this specific dealer. From what i was told they will not charge the first time since its a very rare issue. Advisor at the the dealer told me that a pathfinder had been brought in today with the same problem, so this does not seem to be specific to the Z. Same as carlitos, cleaned throttle bodies and reprogrammed them. They are categorizing this as a maintenance service. From the invoice, dealer charges $37.50. They also recommended that i take the car in every 20k miles to do a fuel system clean up and avoid carbon build up and this from happening.

No complaints with the car today. However, the issue was more random for me than the case with carlitos, where i think it happened to him everyday. I think this is his 6th day issue free.

Oh, and no uprev for me right now.
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Old 08-20-2014, 07:15 PM   #58 (permalink)
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is there something in the air in your area?
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Old 08-20-2014, 08:59 PM   #59 (permalink)
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is there something in the air in your area?
Not sure if serious...

But, to answer your question conditions have been dusty for some months now. Not really sure how much this affects our cars here in PR. I wouldnt think its enough to cause the issue we were experiencing, but who knows.
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Old 08-21-2014, 08:50 AM   #60 (permalink)
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is there something in the air in your area?
other than the Sahara Sands sometimes.... nope looooool!!!
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