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G'day,

I have a VL commodore with an rb20det out of an r32 GTSt in it. When i start it cold it idles fine, around 750-800rpm, but once it warms up it sits between 1500 and 2000rpm i used to be able to drop it down by fiddling with the black box on the throttle body(I think its a throttle position sensor or something...) but it would then stall. I had the injectors cleaned, replaced the spark plugs and new coil packs and since then it won't drop at all below 1500 no matter how much i move the sensor. (except when its cold when it idles perfectly..)

Any help would be greatly appreciated (and i don't mean telling me to get a real car!)

Thanks

Pat.

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https://www.sau.com.au/forums/topic/316822-rb20det-idling-issues/
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G'day,

I have a VL commodore with an rb20det out of an r32 GTSt in it. When i start it cold it idles fine, around 750-800rpm, but once it warms up it sits between 1500 and 2000rpm i used to be able to drop it down by fiddling with the black box on the throttle body(I think its a throttle position sensor or something...) but it would then stall. I had the injectors cleaned, replaced the spark plugs and new coil packs and since then it won't drop at all below 1500 no matter how much i move the sensor. (except when its cold when it idles perfectly..)

Any help would be greatly appreciated (and i don't mean telling me to get a real car!)

Thanks

Pat.

Read these two threads:

http://www.skylinesaustralia.com/forums/Di...nd-t110431.html

http://www.skylinesaustralia.com/forums/Fi...ob-t174735.html

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