I have alot of questions so this is one of many I have a 1989 crx si with a b20z2 motor and a b16 tranny the motor while idling revs up and down it pulls it air in the intake while it does this any knowledge on why it does this?
Yes. Check ALL your smog devices. One of them is not behaving properly.
idle air control valve is dirty or the coolant lines in ur throttle body are clogged
1 out of 1 people think this is helpful.
Search Honda Civic CRX Questions
Honda Civic CRX Experts
Related Models For Sale
Used Honda Civic"
777 Great Deals out of 57,685 listings starting at $1,500
Used Honda Accord"
1,128 Great Deals out of 71,138 listings starting at $999
Used Toyota Corolla"
1,073 Great Deals out of 52,873 listings starting at $1,800
Used Honda Prelude"
123 listings starting at $2,995
Used Toyota Celica"
10 Great Deals out of 442 listings starting at $2,299
Used Acura Integra"
3 Great Deals out of 175 listings starting at $1,500
Used Volkswagen GTI"
94 Great Deals out of 4,302 listings starting at $2,995
Used Mazda MX-5 Miata"
42 Great Deals out of 2,039 listings starting at $2,995