EA Falcon morning engine trouble - MECHANICS R STUMPED!!!!
EA Falcon, running rich, had ALL gas components taken off, fuel injectors cleaned, ultrasonically cleaned, Computer error codes found & fixed, oil, petrol, engine pressures checked & perfect, lifters replaced, tappets fine, regulary serviced. Makes a 'duh duh duh duh duh duh duh' noise @ start up particularly on cold mornings. NOT a lifter or tappet problem as car sometimes stalls a few times & has 2 have idles increased 2 run. Is NOT missing as is NOT jumping & lurching around & can be driven with ease but sick of difficult start up! Machanics TOTALLY STUMPED by problem as not doing it for them when taken in overnight. DESPERATE NOW PLEASE HELP! Jemma