1999 Lexus RX 300 Idle air control valve

1999 LEXUS RX 300
97,000 MILES • 6 CYL • AWD • AUTOMATIC
Avatar
KALASHEH
  • MEMBER
  • 1 POST
My eng. Light was on and the code was bad air control valve .I disconnect the 2 hoses from the valve. One hose had antifriz .I used aerosol carburetor cleaner with the part on the eng.I spry inside the throthol. the eng. Light is on and there is 5 deferent code
Air/ful ratio sensor circuit
Mal function bank1 sensor1
Fulel pump ,injector or pressure regulator
Vacuum leak on eng.
Faulty af sensor
Fail af sensor
I'm sure I reconnected all the hoses.

Thanks Sam
Sep 24, 2010 at 9:37 PM
Avatar
KHLOW2008
  • ✓Experienced Mechanic
  • 41,812 POSTS
Hi Sam,

A description of the codes are of no help. Let me have the EXACT trouble codes.
Sep 29, 2010 at 7:12 AM
🔧 Tools & Auto Repair Parts
Find automotive tools, diagnostic equipment, and replacement parts for your next repair.
Shop on Amazon →
Paid affiliate link. As an Amazon Associate, we earn from qualifying purchases.
Add a reply
Join 2CarPros for free, one of the most advanced car repair communities on the internet. From first-time drivers to seasoned mechanics, everyone is welcome to reply, share details, and get better answers. You can add a temporary image or video first; uploads are limited to 20 MB.

Ask a new question

Frequently Asked Problems for This Vehicle