These are the archives for the term poor idle.
Fuel pumps and the Volvo 940Idles, then Dies – Turns Out it Was the Fuel Pump So I got the 940 station wagon running good again. Both fuel pumps were toast. The one in the tank was probably toast some time ago and the one under the driver was doing all the work. I installed pumps from Autozone parts house. […]
Volvo 850 (very) high idle at startup, then up and downIdle Air Control Causes Poor Idle It appears we have a winner. Took out the IAC, sprayed it liberally with carb cleaner (didn’t touch the connector, don’t trust carb cleaner around those, but I might be paranoid) and replaced. Also cleaned the flame trap a bit (wasn’t too bad, actually, same with the throttle body). […]