 Backwards idle RPM, On startup the RPMs are below 800, and after... |
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| Jamie |
 Sep 19 2018, 09:26 AM
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Senior Member  Group: Members Posts: 1,163 Joined: 13-October 04 From: Georgetown,KY Member No.: 2,939 Region Association: South East States 
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....reaching running temp the idle varies between 1400~1500 RPM. That's backwards from what it should be? I have replaced several hoses, checked all areas I could with spritzes of carb cleaner without any effect, so what other components regulate RPM at temperature? I'm no mechanic with the finer details of the D-jet system on my 1.7L motor.
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| pete000 |
Sep 20 2018, 11:06 AM
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Senior Member Group: Members Posts: 1,887 Joined: 23-August 10 From: Bradenton Florida Member No.: 12,094 Region Association: South East States |
Engine wants more air at cold start up. This is the job of the AAR. So if you adjust your idle back to 950-1000 when warm your car will probably not idle when cold.
Air leaks are sometimes hard to find. Start by checking the AAR and work your way through the entire system Worn throttle bodies can cause issues as well and are often overlooked. I spent a long time with my L-Jet air leaks to make it happy... |
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Posts in this topic
Jamie Backwards idle RPM Sep 19 2018, 09:26 AM
914sgofast2 The AAR (auxiliary air regulator) is probably stuc... Sep 19 2018, 10:27 AM
Jamie
The AAR (auxiliary air regulator) is probably stu... Sep 19 2018, 08:24 PM era vulgaris
Now I'll just have to discover where the AA... Sep 20 2018, 07:48 AM ndfrigi not against 914sgofast2. I think it is the other ... Sep 20 2018, 11:01 AM TheCabinetmaker
not against 914sgofast2. I think it is the other... Sep 20 2018, 05:25 PM |
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