Hermans Posted December 1, 2016 Report Share Posted December 1, 2016 Got back from a 2500 mile trip. The Edge was flawless for the entire trip. Used the ACC heavily, and the Lane Keeping somewhat. I switched back and forth the Adaptive Steering with no issues. This was a pretty evenly spread trip between flatland and mountain driving. Mountain mileage was 24.5 to 25.3 mpg and flatland was 27.5 to 29.6 which I thought was outstanding for a vehicle that was packed to the hilt. The Edge was very comfortable to drive. Used 87 gas all the way. 1 Quote Link to comment Share on other sites More sharing options...
WWWPerfA_ZN0W Posted December 2, 2016 Report Share Posted December 2, 2016 Did you pick top tier stations or did you mix it up? Quote Link to comment Share on other sites More sharing options...
Hermans Posted December 2, 2016 Author Report Share Posted December 2, 2016 (edited) I always buy Costco and Sam's Club gas whenever possible. I don't buy into all the hype surrounding "top tier" gas. I even buy BJs gas when I can. Still far less mileage than I get on my MKZh on the same exact trip. Edited December 2, 2016 by Hermans 1 Quote Link to comment Share on other sites More sharing options...
junehhan Posted December 4, 2016 Report Share Posted December 4, 2016 Top tier is actually a serious issue with these newer high performance turbocharged engines with direct injection. The testing behind top tier status is that a fuel must have enough detergents to be clean enough to meet a certain standard. The problem is that many fuels and most from discount stations do not contain enough additives to prevent drivability affecting deposit formation over time. Many of the discount fuels only use the minimum amount required by federal law which has been proven over and over again with scientific testing by numerous manufacturers to be nowhere near enough to prevent deposit formation that affects drivability. The funny thing is that the gasoline industry actually saw fuel additives DECREASE when the government mandated a minimum level. Top tier has become important because it means that the fuel meets a certain standard for being clean. Costco is a really good one because they are a top tier gas while also offering really good prices. Around me, a non top-tier brand is usually less than 3 cents per gallon cheaper than a top tier brand. That makes it a no brainer. This becomes even more important for these GTDI motors because of the level of precision that is required from the direct fuel injectors. 1 Quote Link to comment Share on other sites More sharing options...
gjb89 Posted December 4, 2016 Report Share Posted December 4, 2016 Working in the Petro business I can tell you there is a forsure difference between low tier and top tier gas. The extra cents will pay in the long end. 2 Quote Link to comment Share on other sites More sharing options...
WWWPerfA_ZN0W Posted December 4, 2016 Report Share Posted December 4, 2016 Fortunately for us with NA Edges, fuel injectors are not that difficult to replace as a DIY item. But for Ecoboost engines ... much more time consuming and involved. So if you have an EB Edge especially, keeping the fuel injectors clean with good fuel is a good decision for the long term. 1 Quote Link to comment Share on other sites More sharing options...
oldtreker Posted December 4, 2016 Report Share Posted December 4, 2016 (edited) Costco gas is top tier. Edited December 4, 2016 by oldtreker Quote Link to comment Share on other sites More sharing options...
enigma-2 Posted December 5, 2016 Report Share Posted December 5, 2016 Fortunately for us with NA Edges, fuel injectors are not that difficult to replace as a DIY item. But for Ecoboost engines ... much more time consuming and involved. So if you have an EB Edge especially, keeping the fuel injectors clean with good fuel is a good decision for the long term.I'm not well versed in this, but it was my understanding that it wasn't the injectors that were the problem. Rather it was the back side of the valves. Quote Link to comment Share on other sites More sharing options...
WWWPerfA_ZN0W Posted December 5, 2016 Report Share Posted December 5, 2016 The primarily problem is definitely with the PCV system (though Ford has taken steps to try & address) and buildup on the back of the intake valves. Sometimes though, this crud will accumulate in the intercooler and get sucked into the intake, but that's a story for another day. Fuel injectors on these engines, sadly, are not as reliable as they have been on the NA engines. Just the nature of how hard they work in the DI environment. Many reports of one or more getting stuck and flooding the cats with fuel (yes, stuck OPEN). So if you smell gas, DO NOT drive any more than you have to. Get towed to the dealership/service shop. Otherwise you could be looking at having to replace your exhaust system on top of the injectors themselves. If one injector goes, all should be replaced at the same time, preferably, or you will go through the experience again ... and again ... Be aware of your warranty coverages. Quote Link to comment Share on other sites More sharing options...
Hermans Posted December 5, 2016 Author Report Share Posted December 5, 2016 I wasn't expecting this to be turned into gasoline thread. Thanks for hijacking. Quote Link to comment Share on other sites More sharing options...
gjb89 Posted December 5, 2016 Report Share Posted December 5, 2016 Shouldn't have brought up your thoughts on "top tier" gas then lol. 3 Quote Link to comment Share on other sites More sharing options...
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