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Is this a low idle?

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Old May 13, 2004 | 01:10 AM
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Question Is this a low idle?

as weird as this may sound, ever since i put my loudmouth on my trans am it has been idling a little lower. when in park it idles at about 600 rpms. once its warmed up though its even lower. when i sit at a stoplight in drive (its an a4 car) it idles at about 490 rpms and has some vibration. is this anything to worry about? thanks
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Old May 13, 2004 | 08:22 AM
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i thought stock in gear idle was 500rpm anyway. atap and check as stock tachs arent that accurate to begin with.
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Old May 13, 2004 | 10:58 PM
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Mine is a 2002 Z28 A4, bone stock and it idles at 500 rpm without any shake.
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Old May 14, 2004 | 06:54 AM
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Same here, 500 at idle in gear. No shaking.
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Old May 14, 2004 | 08:31 AM
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500 rpm idle in gear, and somewhat rough.
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Old May 14, 2004 | 04:51 PM
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My stock idle in gear was 650 and 750 in park.
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Old May 15, 2004 | 12:49 AM
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im not sure what the stock idle is, i just know its a little lower now, and kinda rough. right at 500 when warm and in park, a little lower in drive. so is it not any big deal? i dont remember it being there until after my new lid and loudmouth. i didnt think those would be any real reason, but thats about when it started.
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Old May 15, 2004 | 12:32 PM
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Filename = C:\ls1\stock2000.LS1
-40 -19 3 24 46 68 89 111 132 154 176 197 219 240 262 284
In Gear A/C Off 850 850 850 825 775 700 700 700 650 560 550 550 550 550 550 550
In Gear A/C On 850 850 850 825 725 650 650 650 600 560 550 550 550 550 550 550
In Park A/C Off 1050 1050 1050 1000 950 875 825 800 725 650 650 650 650 650 650 650
In Park A/C On 1050 1050 1050 1000 900 800 775 750 675 650 650 650 650 650 650 650

i hope that doesn't get formatted wrong.
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Old May 15, 2004 | 05:57 PM
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Mine idles at around 800 in neutral (M6 car) and shakes like hell
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Old May 15, 2004 | 06:44 PM
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odd thats a stock a4 file at full temps you should be at 550/550 in park and 650 in gear
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Old May 15, 2004 | 07:17 PM
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About 500-550 in gear here, bit a shake at times, really minor.
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Old May 16, 2004 | 02:16 AM
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well it sounds like its idling at an ok rpm, (please correct me if im wrong) but is the shaking anything to worry about?
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