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C4 Corvettes, 1984 - 1996
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Idle Problem with the Grape

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Idle Problem with the Grape

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Old

Dec 16, 2005 | 02:05 AM

#1

DocSpeed

Thread Starter

Racer

Joined: Nov 2005

Posts: 289

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From: Commerce GA

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Idle Problem with the Grape

Every since I bought my Vette, I have to press the gas just to get it to crank. It also idles rough at times like its going dead but never does followed by rich smelling exhaust fumes and black smoke. The engine is fresh, only 6K since build.

Any idea what could be causing this?

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Old

Dec 16, 2005 | 08:19 AM

#2

19corvette91

Burning Brakes

Joined: Aug 2001

Posts: 1,038

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From: Brick- Next to the land of Mojo NJ

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skewed CTS or a leaking injector

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Old

Dec 16, 2005 | 08:21 AM

#3

AGENT 86

Team Owner

Joined: Jan 2003

Posts: 20,335

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From: Summerland B.C. Canada

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My vote is for leaking injectors also. Depressing the gas pedal puts the ECM in flood mode and cuts back the fuel for a period of time.

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Old

Dec 16, 2005 | 09:08 AM

#4

rick lambert

Le Mans Master

Joined: Oct 2003

Posts: 6,130

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From: seattle WA

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more than likely-injector(s) leaking.

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Old

Dec 16, 2005 | 02:40 PM

#5

CFI-EFI

Race Director

Joined: Sep 2000

Posts: 17,298

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From: The Top of Utah

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"Idle Problem with the Grape"

Try a different fruit.

RACE ON!!!

Last edited by CFI-EFI; Dec 16, 2005 at 02:42 PM.

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Old

Dec 17, 2005 | 09:22 AM

#6

DocSpeed

Thread Starter

Racer

Joined: Nov 2005

Posts: 289

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From: Commerce GA

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You think even with new injectors they could still be leaking? They only have about 6k miles on them.

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Old

Dec 17, 2005 | 11:05 PM

#7

19corvette91

Burning Brakes

Joined: Aug 2001

Posts: 1,038

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From: Brick- Next to the land of Mojo NJ

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put a scanner on her on look at your cts reading, then take the temp of your actual coolant temp

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Old

Dec 17, 2005 | 11:17 PM

#8

19corvette91

Burning Brakes

Joined: Aug 2001

Posts: 1,038

Likes: 15

From: Brick- Next to the land of Mojo NJ

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put a fuel pressure gauge on her, start her, turn her off, and observe if the pressure drops

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