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Idle Issue

crumac86

By crumac86,
in General Maintenance

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crumac86 Enthusiast

crumac86

Posted
Posted

Hi all, have been searching for a few days, and can't find the exact cause to my issue. My r33 gtst wont slow down when I deacclerate without the pushing the brake pedal. Mostly noticeable in a car park when doing 10kms it keeps a constant speed without my foot on the accelerator. When I push the clutch in to park it idles around 1500 for 3 seconds and drops to normal. I have cleaned my iac valve, and going to clean my afm tomorrow. Has anyone had this issue before? Any help would be greatly appreciated.

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Sinista32 Grand Master

Sinista32

Posted
Posted

Sometimes you get the check engine light. Sometimes you don't :(

Codes can tell you if you have access via a scan tool

You can use a multi meter to test it on or off the car. - Just google testing 02 sensor :thumbsup:

or just Take it out, visually inspect, clean and refit. Still got the issue then go further :)

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Ben C34 Grand Master

Ben C34

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Posted

I cleaned my afm and idles better. Will need to take it for a drive to see results. I put my hand over the afm while idling to see if any leaks and it stalled. Is this normal?

Probably.

That's not a normal thing to do and won't check anything.

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crumac86 Enthusiast

crumac86

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https://www.google.com.au/url?sa=t&source=web&rct=j&ei=1Ew3VcS5MMK1mAWn2oGwBg&url=http://www.skylineowners.com/forum/21-tuning-technical-questions/214045-diy-boost-vacuum-leak-testing.html&ved=0CC8QFjAD&usg=AFQjCNExK8Kyv67PkPD1DKmfhygZb-d21w
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Ben C34 Grand Master

Ben C34

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Posted
Well that explains why you did it, but its not useful as you found out.

Pressure testing is the best.

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