Just doing some diagnostics to figure out some idle and part throttle roughness.
Fixed a massive vacuum leak and reset the fuel trims (battery disconnect)
Played the musical ignition coils game and no change at all.
Pointing now towards the mass air. Mostly because when ever it is really cold out the idle is ok and most of the roughness goes away. Seems like it is reading low voltage at low air flow levels as compared to what is should be.
What should the stock mass air flow sensor volts be at idle??
Fixed a massive vacuum leak and reset the fuel trims (battery disconnect)
Played the musical ignition coils game and no change at all.
Pointing now towards the mass air. Mostly because when ever it is really cold out the idle is ok and most of the roughness goes away. Seems like it is reading low voltage at low air flow levels as compared to what is should be.
What should the stock mass air flow sensor volts be at idle??
