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Corolla 2009 High Idle Speed - Car Talk - Nairaland

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Corolla 2009 High Idle Speed by Tectonics: 11:59am On Jun 02, 2020
Please I need help, my corolla 2009 I got from USA is having high idle speed. It idles at about 2000 rpm instead of under 1000 rpm. it had minor accident in USA. I have changed injector head, changed plugs, cleaned injectors, etc, still high.
Could someone, pls, suggest a possible solution
Re: Corolla 2009 High Idle Speed by felix55(m): 12:51pm On Jun 02, 2020
scan the car & fix the error code.
Re: Corolla 2009 High Idle Speed by Tectonics: 1:33pm On Jun 02, 2020
Have scanned and it showed all cylinders misfire. Changed plugs n cleaned injectors, still showing all cylinders misfire
Re: Corolla 2009 High Idle Speed by timifakay(m): 2:35pm On Jun 02, 2020
Tectonics:
Have scanned and it showed all cylinders misfire. Changed plugs n cleaned injectors, still showing all cylinders misfire

Please post codes?
Does the rpm stay on 2000 even when engine temperature has risen to about halfway of the temperature guage?
Re: Corolla 2009 High Idle Speed by Billiebaba(m): 2:49pm On Jun 02, 2020
Tectonics:
Please I need help, my corolla 2009 I got from USA is having high idle speed. It idles at about 2000 rpm instead of under 1000 rpm. it had minor accident in USA. I have changed injector head, changed plugs, cleaned injectors, etc, still high.
Could someone, pls, suggest a possible solution
You car needs an auto technician that can work with live data, to see what's really happening. I can fix your car, my style of work is not trial and error. Contact me on 07060882711
Re: Corolla 2009 High Idle Speed by REDDEVILS1(m): 2:51pm On Jun 02, 2020
Tectonics:
Have scanned and it showed all cylinders misfire. Changed plugs n cleaned injectors, still showing all cylinders misfire
what of the coil
Re: Corolla 2009 High Idle Speed by Ogbuu101: 3:55pm On Jun 02, 2020
Did you bypass the thermostat?
Re: Corolla 2009 High Idle Speed by Billiebaba(m): 4:19pm On Jun 02, 2020
From all that has been said earlier it seems the vehicle has been kazzimized, fan connected direct and thermostat bypassed, and it's unable to enter close loop, I'm very sure the fuel consumption would be high, but still remote diagnosis is still not very the best to find the fault,
Re: Corolla 2009 High Idle Speed by sheu01: 9:50am On Jun 03, 2020
Have u resolved the issue, if Yes tell us the final solution to the problem
Re: Corolla 2009 High Idle Speed by Tectonics: 10:03am On Jun 03, 2020
Not yet, want to try out some of the good suggestions here, will update. I truly appreciate.
Re: Corolla 2009 High Idle Speed by homeboy205: 10:15am On Jun 03, 2020
Tectonics:
Not yet, want to try out some of the good suggestions here, will update. I truly appreciate.



Have you tried removing the battery overnight and resetting the car ?
Re: Corolla 2009 High Idle Speed by Mynewdawn15: 10:28am On Jun 03, 2020
Since you have changed plugs and clean injector, check your ignition coils.

Probably your MAF sensor is bad and your mechanic decides to increase the idle speed.

Also check for vacuum leaks.

Cc: Gazzuzz
Re: Corolla 2009 High Idle Speed by ebuks4ever(m): 7:56pm On Dec 21, 2022
How did you finally solve this? Can you still remember?
Re: Corolla 2009 High Idle Speed by clinician2x: 7:34pm On Dec 22, 2022
homeboy205:




Have you tried removing the battery overnight and resetting the car ?

Exactly how I fixed my own same issue

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