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Code 32
My mom has a '91 Z28 she bought new. For several years it has had a problem with triggering code 32. I have changed the EGR valve 3 times, the EGR solenoid, and the computer a couple of months ago. It won't set the code around town, only when cruising down the freeway. I have cleaned all the passages in the manifold as well, and nothing changed. When it triggers the code, the car doesn't even run any different. It still runs and idles perfect. I am thinking a vaccuum leak or restriction in the vaccuum line going to the EGR valve. I am out of ideas. The lines are hard plastic, so I never thought that could be the problem. Does anyone have any other ideas?
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