1996 Honda Civic Idle issues

1996 HONDA CIVIC
150,000 MILES • 4 CYL • FWD • AUTOMATIC
Avatar
NEZAM66
  • MEMBER
  • 2 POSTS
When my car is park or neutral the RPM's go from 700 to 1500 back and forth. Not really sure what needs to be done. When the Air conditioning is turned on the RPM's stabilize at about 500. Any help would be greatly appreciated!!!!!!!:-)


Dec 31, 2013 at 8:33 AM
Avatar
CJ MEDEVAC
  • ✓Experienced Mechanic
  • 11,000 POSTS
YOU MAY HAVE A VACUUM LEAK.....COULD BE A HOSE HAS COME LOOSE OR A PLASTIC FITTING IS BROKEN OR CRACKED

THIS MAY HELP

https://www.2carpros.com/articles/engine-stalls

HERE'S SOME MORE FOR GIGGLES!

https://www.2carpros.com/search?q=2CARPROS+FIND+A+VACUUM+LEAK+&search=Added

RETURN TO THIS THREAD BEARING GOOD NEWS!

THE MEDIC
Image (Click to enlarge)
Attached Media
Dec 31, 2013 at 10:55 AM
Avatar
KHLOW2008
  • ✓Experienced Mechanic
  • 41,812 POSTS
The idling speed is too high and it usually is due to a fault with the IAC or vacuum leaks as pointed out by CJ MEDEVAC.

Check coolant level, low level can cause it too. It could also be due to a fault with the cold start valve.
Jan 1, 2014 at 4:19 AM
Avatar
NEZAM66
  • MEMBER
  • 2 POSTS
Hey Guys!!!!
Thanks allot for the help, I looked over the car and found that it was my cold start valve. The car is running like new. Thanks allot for all your good advice
Jan 2, 2014 at 3:44 AM
Avatar
CJ MEDEVAC
  • ✓Experienced Mechanic
  • 11,000 POSTS

WE AIM TO PLEASE!

GLAD YOU GOT IT ALL FIGGERED OUT!

THE MEDIC
Jan 2, 2014 at 8:44 AM
Avatar
KHLOW2008
  • ✓Experienced Mechanic
  • 41,812 POSTS
Have to close this question to prevent it from hogging my waiting list page.
Feb 1, 2014 at 12:34 PM
🔧 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