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#21
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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 |
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#22
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1992 Corvette Runs Rough and Loss of Power over 3000 RPM
"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 |
#23
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1992 Corvette Runs Rough and Loss of Power over 3000 RPM
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. |
#24
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1992 Corvette Runs Rough and Loss of Power over 3000 RPM
"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" ===== |
#25
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1992 Corvette Runs Rough and Loss of Power over 3000 RPM
"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" ===== |
#26
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1992 Corvette Runs Rough and Loss of Power over 3000 RPM
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. |
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