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PCM Diagnostics & Tuning
stuttering at start

PCM Diagnostics & Tuning HP Tuners | Holley | Diablo

stuttering at start

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Mar 23, 2006 | 06:48 AM

#1

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Question

stuttering at start

i'm actually posting this concerning my brother's car, but he hasn't posted about it yet so i figured i would.

he just bought a 2000 z28, it has a nice cam (between moderate and wild i would say), heads, intake manifold, exhaust, and headers. right now when you first start it it'll idle at about 300 rpm for 5 or 10 seconds, after that it'll idle normally, unless you stall it and have to start again. what's the problem? could it just be a bad tune?

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Mar 23, 2006 | 07:01 AM

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I am gonna say tune. Just make sure the fuel and spark systems are OK so you can be sure to find whats going on, I would guess it isnt tuned though.

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Mar 23, 2006 | 07:52 AM

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Sound like tune problem !

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Mar 23, 2006 | 10:15 AM

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Needs idle tuning.

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