surging under load
04-22-2007, 12:21 AM
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surging under load 2000 z28 A4. 71k, LS6 Intake installed last week with a tune.
Under load driving down the road, the rpm's will just surge up real quick as if i revved, then it comes right back down. it's a quick 300-400 rpm rev. Any idea why it does this sometimes? It doesn't do it often, but it was 3 or 4 times in the last week. My car is running a little on the lean side cruising and just about perfect at idle.
Under load driving down the road, the rpm's will just surge up real quick as if i revved, then it comes right back down. it's a quick 300-400 rpm rev. Any idea why it does this sometimes? It doesn't do it often, but it was 3 or 4 times in the last week. My car is running a little on the lean side cruising and just about perfect at idle.
