high idle speed

2004 TOYOTA TACOMA
30,000 MILES • 2.4L • 4 CYL • RWD • AUTOMATIC
Avatar
WILIAM
  • MEMBER
  • 1 POST
idle speed too high and did not gos dwon after engine warm up
Jan 22, 2016 at 5:46 AM
Advertisement
Avatar
CARADIODOC
  • ✓Experienced Mechanic
  • 34,407 POSTS
Most common cause is a vacuum leak. Check for loose or cracked vacuum hoses first. You can narrow down the cause by pinching various hoses to see if one affects idle speed, then follow that hose to its branches and do that again on each branch.
Jan 22, 2016 at 5:49 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