engine struggling at times

Gaz2001td5disco said:

hi all

my disco runs fine at times and drives great with lots of responce on the throttle and loads of power when i put my foot down
but then at other times it feels sluggish and not very responsive at all
can anyone help me please
its a 2001 plate

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dervpower said:

Check red plug on ecu for oil

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50 pence said:

Might also be your MAF sensor. Just unplug it and if the car goes better, replace it.

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Gaz2001td5disco said:

there is oil in the red plug ..??
what does this mean ?
thanks
gaz

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Gaz2001td5disco said:

hi

sorry im quite new to engines only started with my disco
whats the MAF sensor
thanks
gaz

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thebiglad said:

Hi Gaz, MAF stands for Mass Air Flow meter and it is this device which measures the quantity and temperature of the air going into the engine. This sensor send information to the ECU (Engine Control Unit) to control the fuelling of the engine.

It is found between the air filter box and the turbo.

There's another one which should be cleaned also - the MAP (Manifold Absolute Pressure) sensor. It is found in the inlet manifold and is held in place by two 8mm bolts. The best thing to clean both of these imo is Brake and Clutch cleaner aerosol. Give them both a good spray - especially the MAP - to ensure all gunk is removed. Do not touch either of these devices with brushes or the like.


Good luck, every day's a learning day for all,

Dave

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