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Car wont idle

PCM Diagnostics & Tuning HP Tuners | Holley | Diablo

Car wont idle

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Old

May 30, 2006 | 02:23 PM

#1

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Staging Lane

Joined: Dec 2004

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Car wont idle

What can cause a ls1 not to idle and blow out alot of black smoke?I changed the maf but that wasn't it.

Old

May 30, 2006 | 02:40 PM

#2

TECH Resident

Joined: Dec 2004

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From: K-W, Ontario

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What's the model year and mileage? What mods (if any) have you made prior to the issue?

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May 30, 2006 | 03:11 PM

#3

Launching!

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From: Wichita, KS

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Turn the key

Just kidding sorry i couldnt resist. i wont hijack your thread anymore.

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May 30, 2006 | 03:49 PM

#4

TECH Junkie

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From: Charleston, SC

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MAF and O2s have the largest effect on fueling.
also ignition problems can let fuel into the exhaust.
leaky injectors can make you run rich enough to blow black.

you need some kind of DETAILS... your post is far too vauge to get any real help.. and this is NOT advanced tech.

Old

May 30, 2006 | 06:52 PM

#5

TECH Senior Member

Joined: Apr 2002

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From: So.Cal.

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You need to take a PCM log, and post in the PCM & Diagnostics section.

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May 30, 2006 | 09:48 PM

#6

TECH Regular

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From: Magnolia, Texas

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Leaking fuel pressure regulator.

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