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Need help with my 94 z28

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Old Jun 4, 2015 | 09:21 PM
  #1  
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Need help with my 94 z28

I turn it on and it's sounds like it's cammed idk what the problem is?
Old Jun 4, 2015 | 10:38 PM
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Re: Need help with my 94 z28

Did you get any codes?
Old Jun 4, 2015 | 10:47 PM
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Need help with my 94 z28

codes where?
Old Jun 4, 2015 | 11:22 PM
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Need help with my 94 z28

Originally Posted by Fatdog2
Did you get any codes?
codes where at?
Old Jun 4, 2015 | 11:28 PM
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Re: Need help with my 94 z28

Did you scan the PCM (computer) for diagnostic codes?
Old Jun 4, 2015 | 11:34 PM
  #6  
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Need help with my 94 z28

naw I haven't,
Old Jun 5, 2015 | 09:52 AM
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Re: Need help with my 94 z28

OK... not much to work with here.

Describe the problem more fully. When does it sound like it's "cammed" - at idle, under heavy acceleration, normal cruising, all the time? Do you mean is has an unstable idle, misfires, etc.? Does the exhaust smell or fuel?
Old Jun 5, 2015 | 11:34 AM
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Need help with my 94 z28

like when I turn it on it's sounds cammed, and the longer I leave it on it starts to idle, and wanting to turn off' I press the gas and goes quiet for a lil then accelerates.
Old Jun 5, 2015 | 12:26 PM
  #9  
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From: Hell was full so they sent me to NJ
Re: Need help with my 94 z28

Originally Posted by doza's z28
like when I turn it on it's sounds cammed, and the longer I leave it on it starts to idle, and wanting to turn off' I press the gas and goes quiet for a lil then accelerates.
Do you mean as the engine warms up it starts to idle more smoothly?

What EXACTLY do you mean by "sounds cammed"? Do you mean it is a very rough idle... it surges, it lopes?

You have to explain the problem clearly, or there's no way to help you.
Old Jun 5, 2015 | 12:30 PM
  #10  
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Need help with my 94 z28

cammed by it wants to turn off' like it idles even more roughly after it warms up
Old Jun 5, 2015 | 12:43 PM
  #11  
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Need help with my 94 z28

it's loops
Old Jun 5, 2015 | 01:44 PM
  #12  
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Re: Need help with my 94 z28

How old are the:

-spark plugs?

-spark plug wires?

-O2 sensors?

Does it ever actually stall?

Rough idle can be caused by a faulty EGR valve, failing to close fully.

Is the SES light on?

Has the engine been modified in any way? How many miles on the engine?
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