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2 Posts
OK, had the head off the clio as there was a compression leak between cylinders, caused by a misfire where the previous owner kept driving it till the aitrbox blew off. Head sorted, no blowback thru the airbox however the misfire is still there, compression ok, fuelling on injectors, new coil pack, but getting P0300 random cylinder misfire off code reader. Remove lead for cylinder four no difference, and weak on cylinder three. Would the compression back through the airbox have damaged the plastic manifold, supsect it is drawing in air and too lean, as cylinder three/four share the branch on manifold.
