04 636 idle problem

[E.T.]

Originally Posted by old man roger

There are so many possibilities it's hard to diagnose over the net.

Common causes I have seen on this forum are
Water in the gas
Plugs
Clogged pump
Corroded electrical connections
Bad harness
Bad battery
Bad tps
Loose throttle bodies
Throttle bodies out of sync
Bad coils

Hell the list goes on and on.

Originally Posted by navajowalks

Loose negitive battery cable lol....

Thanks , I will give it a try