dimanche 13 juillet 2014

Megane misfire

Hi guys, having some trouble with my 1.4 megane (2004).



*Car shakes sometimes when stationary.

*Plugging it in it identifies a cylinder one misfire P0301, although engine light doesn't come on on dash.

*If I touch throttle lightly, maybe 1in10 times the revs will die and cut out.

*Lack of power when driving, throttle a little slow to respond.



I have already tried the following.



*New ignition coil on cylinder one, rest of coils swapped around.

*Spark plugs all swapped around.

*Injector one and two swapped around.

*Pulled each coil cable, engine speed drops on every one.

*Pulled injector cable on injector one, engine speed drops.

*Cleared air filter, was filled with leaves and nuts!

*Checked lambda sensor readings, one fluctuates 0.3 to 0.7, other stays at 0.5. Is this normal?





Really at a loss, any suggestions will be greatly appreciated!



Thanks




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