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I'll probably wait until my next oil change, before I deal with it again... if at all. The van's running fine otherwise, so at this point I'm not really worried about it. Just nit picking. ;-) RevkaHatchbacks & Wagons Host
That's good to hear. If you just did this today, it may improve a little more over the next few days. You said: "I will also try to use premium fuel for several weeks and see what that does."If using premium eliminates the problem, then it very likely could be the knock sensor. But as I mentioned before, I wouldn't recommend replacing it, considering the costs and possible complications that could follow. The knock sensor is very difficult to get to on the Quest. Out of warranty, you're looking at around $500, or more, to replace. Standard labor is 5.2 hours ($65 per hour) , add that to $165 for the part. Also, since the sole purpose of the knock sensor is to adjust the engine timing so it won't knock/ping with low octane (regular) gas, it would be more cost efficient to use just premium gas, instead of replacing, imo. I read somewhere that the "average savings" of using regular over premium is around $60-$70 per year. Depending on how much driving you do, it could take a lot of years using regular gas over premium... to recoup the loss on a $500 knock sensor replacement. My 2 cents. ;-) RevkaHatchbacks & Wagons Host
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