When it gets warmed up I have this surge problem. Under acceleration it cuts out then picks back up. I’ve changed the fuel pump and it has a new air filter. Any help would be appreciated.
That’s a strange one . Have you checked the fuel pressure after changing the pump. It acts like it’s hitting the speed limiter . But definitely shouldn’t be at 25 mph.
Do you have modifications? Sport low, exhaust w/tuner, etc? Does it do that under any acceleration, or just full throttle stab? In sport or regular mode?
You might try checking/cleaning the throttle body, also. Being a drive by wire system, the throttle plate is motor driven, controlled by the TPS. Poor electrical connections or filter oil residue might cause it to move slower than it should. Just something else to check and rule out.
1. Turn key to lights on position 2. Use the mode button and scroll to engine hour (EH) on the gauge 3. Press and HOLD the mode button while quickly toggling between high and low beam ( min 3 toggles in 2 seconds) 4. If there are any P-CODES they will be displayed OBDII Codes Part 1 P0001 Fuel...
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