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Idling at 1.5k rpm ?

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Old 09 February 2003, 06:46 PM
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*Sonic*
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All of a sudden today my car has been idling at 1.5k rpm

normally it idles around 7-800 rpm

this cant be normall can it, its not really that cold outside either

when warmed up it only drops to about 1.2k rpm

Is there anything I can check

Steve
Old 09 February 2003, 07:03 PM
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wally
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push the accelerater, when the revs drop very slowly it will be an air leak. Check all the hoses on tha airfilter and induction side of the engine,probably there is a loose connection..
Old 09 February 2003, 07:07 PM
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*Sonic*
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Thanks Wally

I will check that out

it does only drop slowly after I touch the throttle in neutral

the funny thing is, I was looking at the airfilter casing this morning, and I thought it was loose, but on closer inspection it looked secure

the other thing I did, was drop my oil filler cap, and had to route around under neath to get it back, via the passnger wheel



Old 09 February 2003, 10:23 PM
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*Sonic*
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Mine is a MY00

with Magnex Decat centre & backbox, and ITG Panel Filter

no other mods

it wasnt as bad tonight, checked hoses etc, all seem connected firmly

still idling around 1.2k, and if I blip the throttle it drops to about 1k



Old 09 February 2003, 10:58 PM
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iain atkins
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Sonic,

It could be your throttle position sensor, i had exactly the same symptons when mine went up the spout.

If you take it to your local dealer they should be able to put it on the 'select monitor', to make sure.

Cheers



Iain
Old 11 February 2003, 02:06 PM
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swan
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No CEL? Make 100% your MAF sensor is plugged in properly.
Old 02 September 2003, 09:41 PM
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Steve Whitehorn
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When cold they tend to idle at 1500 and then drop to 900 after a while (94WRX)

May be different for other types of scoob?
Steve

Sorry didn't read the post properly. You are right shouldn't idle like that when warm. Mine is all over the place at the mo, a sensor is knacked don't know what one but it is not the MAF.

Running aftermarket induction kits such as HKS mushroom can cause havoc with the MAF.

[Edited by Steve Whitehorn - 2/9/2003 9:45:41 PM]
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