SOURCE: WHEN ENGINE IS RUNNING IT TICKS LOUDLY AND WHEN U
A worn valve lifter or a loose rocker arm is causing that noise.To find out which one it is, the valve covers have to come off and check each one. If the rocker arms are snug, then it's a lifter, in which case the whole top part of the engine has to come off to get at the lifters.
SOURCE: Loud ticking/knocking/rattling sound when I start/accelerate
hi is it miss-firing as it sounds like a knocking noise can be anything but if you can feel it on the accelerater pedal then the noise sounds like its on the inlet valve side which would transfere the noise up the throttle body where the accelerater is located it could be something as simple as a tappet come loose to a burned valve you need to have a look do a compression test and take the rocker cover off see if theres anything come loose yates210456
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