Simon Posted December 11, 2008 Share Posted December 11, 2008 But the coolant is still cold, the coolant sensor sees this so youre running a richer fuel map until you are warmed up. I dont think throttle input changes that, if that were the case you'd run really lean before you warmed up. Idleing with a richer fuel map is better than driving (accelerating) with one. atleast thats my take on it... thats how it worked on my old VW. Right, but it takes so much longer to warm up when idling, as opposed to when driving. Link to comment Share on other sites More sharing options...
BowTied Posted December 11, 2008 Share Posted December 11, 2008 Right, but it takes so much longer to warm up when idling, as opposed to when driving. That was my point. Driving style may play a part... Environmentalists sugget vehciles warm up faster when driving causing less emmissions... Link to comment Share on other sites More sharing options...
ArizonaPathy Posted December 13, 2008 Share Posted December 13, 2008 You guys lose MPG's in the winter like I lose them in the summer here in the desert. My winter mileage is up to 16 now @ 60 degrees whereas in the summer it was 13 @ 110 degrees. Link to comment Share on other sites More sharing options...
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