1992 Corvette Runs Rough and Loss of Power over 3000 RPM

"Von" > wrote in message
oups.com...
> Changed the fuel pump and filter and checked the pressure and it was
> within norms with and without vacuum.
>
> Checked the converters and they are free and open.
>
> The O2 readings were right on target.
>
> 128 is right on where it shows on the Snap-On scan tool.
>
> No aftermarket chip and it is seated correctly. No FETs look to be
> defective on any of the QDM ports.
>
> Vista Chevrolet sucks (delete expletive)... I thougth I would take it
> to Bill Heard Chevrolet next.
>
> The 28 QDM fault is something that I have a call into Gordon Killebrew
> in Kentucky. He has been ill and out of pocket. He is the guy that
> worked the Corvette Action Center during the C4 build and now has his
> own company and does phone consulting.
>
> I am at a loss here as all the usual suspects have been changed and or
> inspected.
>
Bill Heard... you are obviously in the Houston area. I would not trust that
dealership.

Empty3

"Von" > wrote in message
oups.com...
>I have flowmasters and the airflow seems fine with the stock
> converters (there are two)... The high resolution on the opti-spark
> checks out with the Snap-On scantool. Thanks for the insight on Bill
> Heard Chevrolet. Vista is owned by Bill Heard and they were not
> helpful. The exhaust sounds ok but I suppose I will take the
> converters down and check for blockage next.
>

Call Chris over at Corvettes of Houston. He may be able to help you out.

Empty3

I am in Las Vegas and they have a Bill Heard here too. Give me the
number of Corvettes of Houston and I will see what he has to say.

"Empty3" > wrote in message
...
>
> "Von" > wrote in message
> oups.com...
>>I have flowmasters and the airflow seems fine with the
>>stock
>> converters (there are two)... The high resolution on the
>> opti-spark
>> checks out with the Snap-On scantool. Thanks for the
>> insight on Bill
>> Heard Chevrolet. Vista is owned by Bill Heard and they
>> were not
>> helpful. The exhaust sounds ok but I suppose I will take
>> the
>> converters down and check for blockage next.
>>
>
> Call Chris over at Corvettes of Houston. He may be able
> to help you out.
>
> Empty3


http://www.corvettesofhouston.com/

--
"Key"
=====

"Von" > wrote in message
oups.com...
>I am in Las Vegas and they have a Bill Heard here too.
>Give me the
> number of Corvettes of Houston and I will see what he has
> to say.
>

800-829-6434
http://www.corvettesofhouston.com/

--
"Key"
=====

Here's one: Throttle Position Sensor

GeorgeC
92 Red/Red

Von wrote:

> Changed the fuel pump and filter and checked the pressure and it was
> within norms with and without vacuum.
>
> Checked the converters and they are free and open.
>
> The O2 readings were right on target.
>
> 128 is right on where it shows on the Snap-On scan tool.
>
> No aftermarket chip and it is seated correctly. No FETs look to be
> defective on any of the QDM ports.
>
> Vista Chevrolet sucks (delete expletive)... I thougth I would take it
> to Bill Heard Chevrolet next.
>
> The 28 QDM fault is something that I have a call into Gordon Killebrew
> in Kentucky. He has been ill and out of pocket. He is the guy that
> worked the Corvette Action Center during the C4 build and now has his
> own company and does phone consulting.
>
> I am at a loss here as all the usual suspects have been changed and or
> inspected.