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200 Series General Forum for the Volvo 240 and 260 cars |
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KJet Idle ... How to adjust?Views : 666 Replies : 6Users Viewing This Thread : |
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Dec 6th, 2022, 10:17 | #1 |
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KJet Idle ... How to adjust?
So I have recently solved my issues with my new to me 240. After changing in-tank pump, fuel pump relay, new leads/plugs/cap and rotor. Checked all filters etc the engine now starts first time and runs nice and smooth.
The only issue now is the idle is running high, I have a feeling it may have been adjusted in the past to counteract the fueling issues. I am not sure how to adjust it, the Haynes manual is a little.... over complicated. I would say it's currently running about 1200rpm, so how do I reduce this guys? I did have a search on here, but couldn't find what I needed. Thanks Last edited by Big 240; Dec 6th, 2022 at 10:24. |
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Dec 6th, 2022, 10:36 | #2 |
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The idle turn screw is a largish black plastic one just under the throttle body:~
Turned by hand up to slow down for faster: Picture may help- highlighted in yellow. Regards Bob. |
Dec 12th, 2022, 08:48 | #4 |
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Quick update, twiddled the black knob, running sweet again now
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Dec 16th, 2022, 13:57 | #5 |
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If you haven't done so replace the injector o rings at somepoint. Cheap and made the idle on mine run lovely too.
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Dec 16th, 2022, 14:04 | #6 |
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Dec 18th, 2022, 13:16 | #7 |
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I would also remove sometime the butterfly casing witch the idle screws into and give it a good internal clean as the channels in the casting will slowly carbon up. i would be very surprised if you have to adjust the butterfly stop if it hasn't been moved from new but you may need new gaskets. this will the idle speed.
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