Dirty throttle body robbing performance? Here's how to clean it

https://www.youtube.com/embed/JBegHP5ZLXo?si=yrR_3t6Oi5FtgrQb

Rough Idle? Worsening gas mileage? A check engine light? A hard-to-push or sticky gas pedal? These may be signs of a dirty throttle body.

Fortunately, there’s an easy fix: CRC Throttle Body & Air-Intake Cleaner.

Presented by CRC Industries.

Keith Tanner
Keith Tanner GRM+ Memberand MegaDork
11/12/23 5:09 p.m.

Be aware that if you do this to your NA/NB Miata, you will have idle problems. There's a sealant around the edge of the butterfly that is often mistaken for buildup. Any time someone calls in with a high idle, one of the first questions is "did you clean your throttle body?"

amg_rx7 (Forum Supporter)
amg_rx7 (Forum Supporter) SuperDork
11/13/23 3:02 p.m.
Keith Tanner said:

Be aware that if you do this to your NA/NB Miata, you will have idle problems. There's a sealant around the edge of the butterfly that is often mistaken for buildup. Any time someone calls in with a high idle, one of the first questions is "did you clean your throttle body?"

Sigh... got any pics of that? I cleaned mine, had a high idle, fixed it by replacing the air valve but the idle does occasionally behave oddly 

Keith Tanner
Keith Tanner GRM+ Memberand MegaDork
11/13/23 3:24 p.m.

No pics, it just looks like a bit of buildup around the edge of the butterfly. One way to fix it is to shoot a bit of spray paint into the throttle body from the front. You can clean off the face of the butterfly a bit if you want, but you do want a buildup at the edge. Let it dry before driving.

Noddaz
Noddaz GRM+ Memberand PowerDork
11/13/23 5:25 p.m.
Keith Tanner said:

Be aware that if you do this to your NA/NB Miata, you will have idle problems. There's a sealant around the edge of the butterfly that is often mistaken for buildup. Any time someone calls in with a high idle, one of the first questions is "did you clean your throttle body?"

Thank you.  This would be something I would try to do.

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