yea its me again....my dam neon 97 dohc has a knockin noise i been hearin this noise for like a month now its louder than usual today though its annoyin too.....i recently changed my crankshaft sensor and my o2 dont kno if that will tell ya anything.....i have no CLUE where the knock is comin from but its annoyin ....any ideas?

 

Have your alternator tested like I said if its that bycycle rim sound its gettin ready to go out. Check your oil pressure too, too much, or not enough will cause that, wouldnt hurt to have your oil changed either.