Engine Performance problem
2001 Buick Roadmaster V8 Two Wheel Drive Automatic
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HI

J AM ASKING THIS QUESTION FROM FRANCE


FROM IDLING MY ENGINE STOPS WHEN PUT INTO GEAR.

IF I ACCELERATE THE ENGINE, IT WORKS BETTER BUT IT ISN T APPROPIATE FOR THE AUTOMATIC GEARBOX

i already changed those items

- manifold Absolute pressure Sensor ( MAP)
- Throttle position sensor ( TPS )
- Positive crankcase ventilation ( PCV valve )
- vehicle Speed sensor ( VSS )
- E.G.R valve
- E.G.R solenoid
- Idle Air control ( IAC valve )
- Oxygen sensor


It still doesn't work

The gearbox is a Hydra - matic 4L60 ( THM700-R4 )

if anyone could help, Thanks