Weird Idle problem

**Justin8763** · 03-05-2006, 12:48 PM

Hey guys this is my first time posting on this forum, and I've been looking around to see if I could find an answer. I'm thinking its my PCV valve, but I wanted some input from you guys.

When I start my car, it idles around 1500-1750 RPMs. Strange thing is, when in park and after i turn on my car, if i hit the gas a bit, it revs up and stays for a good 30 seconds to 1 minute, and then starts to SLOWLY fall back down to 1500. When I start driving for a while, it goes to the normal 800 rpm idle when in drive. Any Ideas?

My car is an 88 Lx-i

***A20A1*** · 03-05-2006, 01:34 PM

Is your coolant level full?

**Justin8763** · 03-08-2006, 10:26 AM

Yep. My old radiator had a hair line crack in it, so I had to replace it. I flushed out the system and refilled.

**shepherd79** · 03-09-2006, 02:57 PM

check the throttle cable, make sure it is not tight. Also on the throttle body, there is a diaphram that allows idle to slow down slowly when you let go of the gas after hard driving or shifting.