C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

EGR again.

Old Jul 5, 2002 | 12:27 AM
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devilfish
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Melting Slicks
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Default EGR again.

How do you test "by hand" if the EGR isent stuck? Is there a way?
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Old Jul 5, 2002 | 10:58 AM
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86VetteBill
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Default Re: EGR again. (devilfish)

I used a Mighty Vac vacuum hand pump to test the EGR valve. I connected the pump to the rubber hose that's attached to the EGR valve, and then pumped the hand pump to get a few inches of vacuum. If the vacuum held, then I knew there were no problems with the valve...

Then I went to the front of the engine, near the thermostat. That's where the plastic tubing went to from the EGR valve. I pulled the tubing out of the rubber connector that it was attached to and CRACK! It broke. That's where my vacuum leak was coming from and throwing a code 32 at me. No more 32!!! :cheers:
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