i hve a vauxhall frontera 20i port m reg after driving it for 5 mins it losses power and starts spluttering but when i turn the engine of and back on again wralst driving its ok for couple of mins i had it on a computer and that said it was the lamba sensor i changed tht and its made no differance
check all connections, and find out if the e.c.u is original or reconditioned as that may have ghost problems from the reconditioning, also check that at sometime the ecu has not been swopped as the engine is the same type as found in cavaliers so could be someone has swopped to try to gain more power or pick up
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