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RPM Oscillation on Idle

2003 - 2009, roadster, coupe, facelift
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dreaming-of-driving
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RPM Oscillation on Idle

Post by dreaming-of-driving » Fri Dec 02, 2022 12:42 am

Hey guys. I left my car standing 3 months, charged the battery up and tried to start it. But on cold idle it bounces between 800 and 1000 rpm.

I expected the problem to clear after it warmed up, but after the engine is warmer the problem is worse and the engine cuts out completely. :headbang:

It really doesn't seem to be the MAS since I cleaned that thoroughly 6 months ago.

When the accelerator is held down it will stick to a selected RPM normally, but the engine blows a lot of smoke. Any ideas? Thanks

dreaming-of-driving
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RPM Oscillation on Idle

Post by dreaming-of-driving » Fri Dec 02, 2022 1:06 am

It must have been gummed up. But that happened faster than expected..

I added fuel injector cleaner (red type '5 star') and 100mL eucalyptus oil, revved it awhile and now it runs smoothly.

Special Kay
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Joined: Wed Dec 22, 2021 3:18 am

RPM Oscillation on Idle

Post by Special Kay » Fri Dec 02, 2022 1:15 am

That's a relief, I've got mine locked up until the spring. I think I'll be adding a redex or similar just to aid the old fuel through the system.

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