I got a 1999 dodge ram 4x4, 5.9l(gas), automatic. i got the codes P0505 and P0306. With the code P0505 i replaced the Iac motor and the code still pops up. As for the P0306 i swaped sparkplugs, cap and rotor. It still pops up. The MIL light been on for awhile. Any suggustions?

 

http://www.obd-codes.com/p0306
http://www.jeepforum.com/forum/showthread.php?t=219895

Hope those help.

 

What compression does #6 cylander (dry and wet test) have and are you sure #6 is geting fuel from the injector? This info. will let one know if you have a bumb injector or a cylander with a bad valve, piston, lobes worn off cam, ect

 

its dark here. will i hope its not bad to where i have to tear the motor apart.