Thread: what is the egr and what does it do?
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Old 04-08-2004, 12:54 PM   #1
top26notch
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what is the egr and what does it do?
Would the egr valve have anything to do with poor performance with my 91 lummy z34?. What happens is it idles rough sometimes at the light and when i go to accelerate it stalls sometimes. It just had a tune up but still my check engine light is on.
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