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Topic: will not idle

in Forum: C4 Engines


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will not idle (1/5)
 5/28/12 6:46pm
frank atkinson
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bryant, AR - USA

Vette(s):
1984 red on red


Joined: 2/23/2012
Posts: 6

84 was running between 220- 240 my mechanic said turn on the ac so the fan would kickthe vette will not idle and acts like it is running on 4 cylinders ----need help 
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Re: will not idle (2/5)
 5/28/12 9:46pm
eddie20890
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lanoka harbor, NJ - USA

Vette(s):
1990 L-98 white/ red/black leather interior targa top auto 1975 L48 blue/black leather interior t tops auto


Joined: 3/22/2009
Posts: 1363

does it need a tune up? when you  turn on a/c does the idle go up? corvettes do run a little hotter. a little more info would help.

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Re: will not idle (3/5)
 5/28/12 10:52pm
Adams' Apple
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Duncanville, TX - USA

Vette(s):
1985 Coupe-L98/Auto,Bright Red/Carmine. 1974 Coupe-L48/4speed, Medium Red Metallic/Black Deluxe.


Joined: 3/18/2009
Posts: 2230

1: Find another "mechanic"
So..it's running HOT, and it will not idle, if I read it correctly. We do need more info...
Has anyone checked for any CODES? Check engine light on?
Jumper the two terminals below, then turn on the key...don't start it, just turn the key to "Run". Count the number of "flashes" from the Check Engine light. For example, a code "12" would be one flash, followed by a short pause, then two quick flashes. A code 32 would be 3 flashes, pause, two quick flashes. It will repeat each code 3 times.
Check for codes, and then let us know what it has....Thumbs Up
btw..it should always start with a code 12...this simply means the ECM has gone into diagnostic mode.



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Re: will not idle (4/5)
 7/10/12 12:12am
Bob M
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Fillmore, IN - USA

Vette(s):
'84 Crossfire catback exhaust and drop-in K&N two-tone grey


Joined: 4/24/2010
Posts: 50

eddie20890 said: does it need a tune up? when you  turn on a/c does the idle go up? corvettes do run a little hotter. a little more info would help.



I vote for a tune-up and fix the cooling fans.
Let us know what you did find out. After all it has been months since you posted.


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Re: will not idle (5/5)
 7/10/12 12:14am
Bob M
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Fillmore, IN - USA

Vette(s):
'84 Crossfire catback exhaust and drop-in K&N two-tone grey


Joined: 4/24/2010
Posts: 50

Ok, Ok, so it's only been a little over ONE month.LOL

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