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

First code thrown in 20 years

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Old Jun 6, 2005 | 06:52 PM
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Cruisinfanatic's Avatar
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From: Clifton Park, NY ............Clearwater, FL ... 85 Original Owner
Default First code thrown in 20 years

Just changed injectors on my 85 L98 and running great. Driving down the northway in upstate NY and oh no, check engine light goes on. 1st time since I bought new. It went off after awhile. When I got home I checked and it's a 32. ERG valve? Seems to run fine. Could this problem be a related to the new injectors?
What now?
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Old Jun 6, 2005 | 11:10 PM
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Can't see how new injectors would cause a code 32
This might shed some light(my 86 manual though)
http://members.shaw.ca/corvette86/Code%2032.pdf
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Old Jun 7, 2005 | 12:08 AM
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When you changed out the injectors, did you use carb cleaner or a degreaser on the exterior of the intake manifold? If so, EGR valve does not react well to these cleaners. (Practical experience DAMN). You might have to replace it, my 85 still ran well once warmed up but still got the code 32. Changed out the EGR and all has been well since.
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Old Jun 7, 2005 | 01:10 AM
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Most likely broke a vacuum line when doing the injector swap. Double check the vacuum lines and routing.
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Old Jun 7, 2005 | 03:56 AM
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Check the vacuum line that connects to the bottom of the throttle body. If not that, then at the egr valve itself, it may have come loose.
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Old Jun 7, 2005 | 08:14 AM
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Don't know about 85, but when my 87 threw that code it was the EGR switch-cheap and easy to replace.
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