No.15 Engine Flares Up Or Slips When Accelerating Vehicle

15	Engine flares up or slips when accelerating vehicle
DESCRIPTION	Engine flares up when accelerator pedal is depressed for upshifting. Engine flares up suddenly when accelerator pedal is depressed for downshifting.
POSSIBLE CAUSE	The malfunction is basically the same as for symptom troubleshooting "NO.14 ENGINE FLARES UP OR SLIPS WHEN UPSHIFTING OR DOWNSHIFTING". (See NO.14 ENGINE FLARES UP OR SLIPS WHEN UPSHIFTING OR DOWNSHIFTING .) If conditions for No.14 worsen, the malfunction will develop to No.15.