Quote:
Originally Posted by Intubator
Might try removing the air filter and going for a brief 5 minute drive to see if there is any effect... Then of course replace it. On the flip side it could make matters worse if you get more air flow than before with a less than optimal fuel delivery... I think if the filter was dirty enough to restrict the flow that much then it would be REALLY dirty and evident by just looking at it though.
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I agree on testing but not about seeing. Fuel filter can also be culprit but that usually causes engine to mostly shut down till sediment drops to bottom again. Don't worry about the extra air as the engine can't go faster without fuel anyway. What you are describing is different than running lean at speed.