| steve99 |
08-07-2017 05:03 PM |
Quote:
Originally Posted by s4nd
(Post 2958116)
Thank you Steve, previously i have ever change value on GDI flow rate table,a bit much ,and primary fueling additive a bit much also. after drive hard a few moment,approx 1 hour, i get my engine stall and rough,the check engine light on, after i check, the dtc is p1261 and p1262, DI circuit open, could this cause i change gdi flow too big Steve?, but after reduce all value i was change,the car back to normal
Sand
|
Im not sure im understanding what your doing.
If you alter the GDI flow tables you will likey unbalance the two fueling systems
Its same as changing the port scalar without changing injectors it just unbalances the port and direct fuel systems.
you better off leaving those alone unless your running E85 and if you do alter them alter both the port scaler and the GDI the same amount percentage wise so they stay balanced.
If your on petrol then don't touch the port scaler or GDI flow tables.
Just adjust the pi/di ratio tables so your using both fuel systems all the time this will increase your overall fueling capacity as you will be splitting your fuel delivery over both systems at all times.
Those error codes indicate you have an actual problem with your DI system. Check your DI computer under bonnet is securely grounded and all mounting bolts care secure, it get its ground via the mount bolts. |
