Thread: This noise

Well got her back together with no vac leaks and am getting a noise from the motor. Not sure what.

Here is a video/sound clip.
It is a faint noise that can be heard a few times. I'd guess missfire but... I have new plugs, coils and wires... only 1 week old. All correctly gapped... Also getting a flashing SES that flashes then stays on. This happens during acceleration.



Also the tensioner is shaking... though I was told this was because the cam and there shouldn't be any alarm.

A am getting these codes...

P0300 Random Misfire
P1260 Fuel Problem.... I am thinking this is thr problem and have tried researching the code but, all I get is crap on Fords and a security system.

sounds like it is missing. have you tried moving around your injectors to see if it changes cylinders as far as the miss goes? a fuel pump would be lean on the top end going WOT. a fuel filter would always cause a lean condition. the only thing left is the injectors or a FPR.

I thought the XP set the P0300 because of the rough idle?

i call cracked plug....maybe you cracked one during install by accident i had the same thing but it was a cracked plug...hairline lil crack makes a big diff....

there is no such thing as a good pretuned PCM.