Jonno Member 79 Member For: 18y 9m 4d Posted 22/04/13 08:43 AM Share Posted 22/04/13 08:43 AM My standard BFII XR6T is having problems when accelerating uphill. Anything above a very slow acceleration is halted by a stutter that feels like I have hit a rev limiter (even though I am nowhere near the redline) which lasts about 5 seconds during which time the engine looses all power. Not great for overtaking.I am currently on holidays with the family in the snowy mountains, and this problem is not only bloody annoying but is also spoiling my enjoyment of some great and largely empty roads.As I said it only happens when accelerating uphill. Anything over a couple of degrees of slope seems enough to cause the problem.Last service from my high priced (so called) mechanics was is December. Fuel pump? Blocked fuel filter? Methinks something mechanical due the uphill bit. The tank is 3/4 full.Does anyone have any ideas? Link to comment https://www.fordxr6turbo.com/forum/topic/84698-bf-ii-xr6t-uphill-acceleration-hesitation/ Share on other sites More sharing options...
bionicxr6t05 Bronze Donating Members 2,216 Member For: 13y 9m 15d Gender: Male Posted 22/04/13 08:46 AM Share Posted 22/04/13 08:46 AM Coils Link to comment https://www.fordxr6turbo.com/forum/topic/84698-bf-ii-xr6t-uphill-acceleration-hesitation/#findComment-1382801 Share on other sites More sharing options...
Jonno Member 79 Member For: 18y 9m 4d Posted 22/04/13 08:54 AM Author Share Posted 22/04/13 08:54 AM As in ignition coils?Why would this only happen uphill?Are these costly to replace? Link to comment https://www.fordxr6turbo.com/forum/topic/84698-bf-ii-xr6t-uphill-acceleration-hesitation/#findComment-1382805 Share on other sites More sharing options...
bionicxr6t05 Bronze Donating Members 2,216 Member For: 13y 9m 15d Gender: Male Posted 22/04/13 08:57 AM Share Posted 22/04/13 08:57 AM Yep, uphill requires more load, more load requires more spark. A set of genuine coils is the only way to go and vary from $250 to $500 depending where u get them from Link to comment https://www.fordxr6turbo.com/forum/topic/84698-bf-ii-xr6t-uphill-acceleration-hesitation/#findComment-1382807 Share on other sites More sharing options...
Jonno Member 79 Member For: 18y 9m 4d Posted 22/04/13 09:03 AM Author Share Posted 22/04/13 09:03 AM How many coils are on the XR6TWho has them for $250? Can I replace them myself? Link to comment https://www.fordxr6turbo.com/forum/topic/84698-bf-ii-xr6t-uphill-acceleration-hesitation/#findComment-1382811 Share on other sites More sharing options...
Slymeat Team Kickass Donating Members 1,926 Member For: 21y 3m 14d Gender: Male Location: Albion Park, NSW Posted 22/04/13 09:20 AM Share Posted 22/04/13 09:20 AM Car has 6 coils, very easy to change yourself. Link to comment https://www.fordxr6turbo.com/forum/topic/84698-bf-ii-xr6t-uphill-acceleration-hesitation/#findComment-1382816 Share on other sites More sharing options...
bionicxr6t05 Bronze Donating Members 2,216 Member For: 13y 9m 15d Gender: Male Posted 22/04/13 09:25 AM Share Posted 22/04/13 09:25 AM Some ebay guy has them for around $250 (NOT THE VDO ONES) I can supply for $330... Price has gone up recently Link to comment https://www.fordxr6turbo.com/forum/topic/84698-bf-ii-xr6t-uphill-acceleration-hesitation/#findComment-1382821 Share on other sites More sharing options...
Ralph Wiggum Moar Powar Babeh Lifetime Members 19,332 Member For: 19y 7m 19d Gender: Male Location: Perth Posted 22/04/13 09:43 AM Share Posted 22/04/13 09:43 AM Sounds like gravity to me. Link to comment https://www.fordxr6turbo.com/forum/topic/84698-bf-ii-xr6t-uphill-acceleration-hesitation/#findComment-1382831 Share on other sites More sharing options...
bionicxr6t05 Bronze Donating Members 2,216 Member For: 13y 9m 15d Gender: Male Posted 22/04/13 10:13 AM Share Posted 22/04/13 10:13 AM Ah yes the old gravity induced missfire, when the muffler bearings spin backwards due to compressor surge Link to comment https://www.fordxr6turbo.com/forum/topic/84698-bf-ii-xr6t-uphill-acceleration-hesitation/#findComment-1382845 Share on other sites More sharing options...
Jonno Member 79 Member For: 18y 9m 4d Posted 23/04/13 08:52 AM Author Share Posted 23/04/13 08:52 AM So coils it is then. I will do my plugs at the same time.Any suggestions for the best plugs to use? Last time I changes a plug I set the gap? Do I still need to do that or are they all pre-gapped these days? I'm guessing that the ecu will automatically take care of the coil parameters such as I will not need to worry about dwell time? Link to comment https://www.fordxr6turbo.com/forum/topic/84698-bf-ii-xr6t-uphill-acceleration-hesitation/#findComment-1383176 Share on other sites More sharing options...
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