1999 Renault Scenic • 4 cylinder 2WD Manual • 140,000 miles

I have a renault scenic 1999 when I get to 2000 to 2500 I seem to have no power no other problems have risen I had it pluged in and the told me it was the thermo sensor?
R Woonton
November 19, 2010.

Lack of power/acceleration could be caused by one of the following below

Oxygen sensor.
Catalytic converter.
Fuel injectors dirty/sticking.
Mass airflow sensor/Airflow meter.
Throttle position sensor.
Crankshaft position sensor
Knock sensor
Manifold absolute pressure sensor.
EGR Valve
Fuel pressure regulator leaking or defective fuel pump.
False air leakage.
Fuel contamination.
Foul/defective spark plugs.
Open spark plug wires.
Ignition coil/Coil packs defective.
Incorrect ignition timing.
Cap and rotor.

Note: If it doesn't apply disregard it

Nov 19, 2010.