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Author Topic: 700 RPM at Idle?  (Read 3935 times)

Offline lars2.0

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700 RPM at Idle?
« on: 08 August 2012, 12:50 »
Hello mates!

I have a problem with  the idle... to day I'm going to start the engine and it's goes to 700 rpm at the moment... and have the idle very low... Sometimes become to turn  off...

Thanxks!
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Offline N900 MJT

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Re: 700 RPM at Idle?
« Reply #1 on: 08 August 2012, 13:03 »
once mine is warm it normally sits around the 800ish mark, are you saying that is sits at 700rpm even from cold?
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Offline lars2.0

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Re: 700 RPM at Idle?
« Reply #2 on: 08 August 2012, 13:09 »
Normally it's arround 850/900 when it's at work tempetarute and when it's cold engine but Here we are at 35 degrees and ever works at 800 rpm...

Maybe it's a Dirty idle valve? where is it?

this it is my engine

Code AGG
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Offline boneybradley

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Re: 700 RPM at Idle?
« Reply #3 on: 08 August 2012, 18:41 »
a dirty throttle body can cause low idle


if that doesn't work vag-com and then check vacuum pipes for splits
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Offline itavaltalainen

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Re: 700 RPM at Idle?
« Reply #4 on: 08 August 2012, 19:05 »
Does it run better when it's warm? Could be temp sensor that's shorted out and making your ECU think it's hot?!

Here's how you measure it in a nutshell:
http://www.motor-talk.de/bilder/temperaturfuehler-wechseln-golf-iii-g49448415/temp-sensor-on-aam-i205302629.html
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Offline stainesy

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Re: 700 RPM at Idle?
« Reply #5 on: 08 August 2012, 19:06 »
Where is you MAF mate? And air temp sensor?
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Offline Adam

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Re: 700 RPM at Idle?
« Reply #6 on: 08 August 2012, 19:08 »
Quote from: stainesy on 08 August 2012, 19:06
Where is you MAF mate? And air temp sensor?

+1 Shocked

See BB's pic for ref-

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Gavv8

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Re: 700 RPM at Idle?
« Reply #7 on: 08 August 2012, 19:44 »
And the penny drops.....
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Offline spudboy6

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Re: 700 RPM at Idle?
« Reply #8 on: 08 August 2012, 23:27 »
Quote from: lars2.0 on 08 August 2012, 13:09
Normally it's arround 850/900 when it's at work tempetarute and when it's cold engine but Here we are at 35 degrees and ever works at 800 rpm...

Maybe it's a Dirty idle valve? where is it?

this it is my engine

Code AGG

arent they both just lying there un-connected to the left of that intake pipe and bottom right of the intake pipe . can see the temp sensor plug and either a HID kit of the MAF unit ?
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Offline stainesy

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Re: 700 RPM at Idle?
« Reply #9 on: 09 August 2012, 00:24 »
I just zoomed in on that area and there is what looks like the top plastic electrical box from the MAF sat there. But looking closer think it may be as you say a HID ballast.
I can't see temp sensor or MAF tunnel anywhere.
Have you just bought this car mate?
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