Re: 95 monte carlo, erratic idle -- automotive help

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Subject: Re: 95 monte carlo, erratic idle

Author:
jeremy

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Date Posted: 19:51:10 08/10/03 Sun
In reply to: Steve 's message, "Re: 95 monte carlo, erratic idle" on 05:14:01 03/29/03 Sat

I have the same problem on my 95 z34 and it normally happens in the morning maybe from the wet damp air
>>>>Have a 1995 Monte Carlo Z34 w/3.4 l.(110,000km)
>When
>>>>car is started engine revs up high then down to
>>almost
>>>>stalling, then repeats again until car is warm.
>>>>Usually happen when weather is cooler (fall till
>>>>spring).I've taken it to shops and they cleaned the
>>>>throttle bore which helped for a little while and
>the
>>>>IAC motor was replaced. Is this a vacuumn leak, or
>>>>sensor? Can you help
>>>
>>>I've got exactly the same issue with my 95 Z34. Did
>>>you ever find a fix?
>>>
>>>Thanks,
>>>
>>>Darren
>>I've also experienced this problem any help would be
>>appreciated.
>>
>> THANKS FOR ANY FEED BACK
>>
>> CORY
>
>All,
>I have a 1995 Monte Carlo Z34 with 91K miles. I had
>the exact problem you described and I tried
>everything. I replaced the Mass Airflow Sens,new wires
>and plus, cleaned out the whole fuel system.. nothing.
>I then read somewhere on another Monte Carlo site that
>the problem was the upper and lower intake manifold
>gaskets! I figured what the heck so I had the upper
>and lower intake manifold gaskets replaced which
>corrected the problem.
>Suppossedly, the 3.4 DOHC GM engines are notoriously
>known for this problem. I now have smooth starts no
>matter how cold it is. The car also has much better
>acceleration.

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