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.
1 out of 1 people think this is helpful.
idle air control valve is dirty or the coolant lines in ur throttle body are clogged
2 out of 2 people think this is helpful.
Search Honda Civic CRX Questions
Honda Civic CRX Experts
Related Models For Sale
Used Honda Civic"
1,190 Great Deals out of 58,109 listings starting at $1,300
Used Honda Accord"
1,344 Great Deals out of 77,641 listings starting at $1,395
Used Ford Mustang"
737 Great Deals out of 41,260 listings starting at $900
Used Honda Prelude"
141 listings starting at $2,995
Used Acura Integra"
160 listings starting at $2,150
Used Honda Accord Coupe"
221 Great Deals out of 11,482 listings starting at $1,500
Used Toyota Supra"
54 listings starting at $36,995
Used Mitsubishi Eclipse"
55 Great Deals out of 1,763 listings starting at $950