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Being new to owning a Raider... I thought it's "just what they do". Mine runs at 2K when cold and I let it run that way for approx. 1 minute. Tap my foot on the gas pedal and it comes down to normal idle.
If I don't let it warm for at least a minute at high idle I get terrible performance (hesitation) until I turn the engine off and rerestart after a short rest. (minute?)


Very interesting, I'll try that after about a minute and see what happens. Thanks for your input.


Bear in mind that BucsFanJim has an '88, which is the carbureted 4 cylinder engine, so by tapping the throttle he's just letting the choke plate kick down off the high step on the cam. Your V-6's idle is controlled by the ECU adjusting the Idle Air Controller motor (also known as the Idle Speed Control motor). Blipping the throttle on your engine will probably not make as much of a difference.

Have you done the test procedure on the IAC yet?

Also, the fact that you say it is taking ~10 minutes to warm up sounds like you have have a stuck-open thermostat. If that's the case, the ECU is running in open-loop mode (or whatever they call it) waiting for the temperature to come up. I believe it boosts the fuel flow to the engine in that mode but I'm not sure. Hopefully some of the more knowledgeable on the board will chime in. In the meantime, if you haven't run the test procedure on the IAC, do so! <img src="/forums/images/graemlins/kewl.gif" alt="" />

Eric W.

Last edited by 89IsMine; 05/15/08 05:18 PM.
'89 Dodge Raider -- 3.0L V6, MT, SWB