Hay,
I just bought a 2002 regal 18' with a merc 4.3 2 brl, once it is warmed up to operating temp, 175 on gauge, it wont idle, or barely run below 1500-2000 rpms, if i can get it past that point is runs awsome. I have checked the cap rotor, spark in every plug, new 93 octane gas, any thoughts...