1996 chevy blazer 4.3 vortec , i know its a switching problem between the heated oxygen sensors , and that it is bank 2 sensor 1, causeing the problem , changed it to new changed all to new actually , reset ecm , light comes back on , upon researching the manufactureing codes i come up with p= powertrain 1=fuel and air metering 5=vehicle speed control , idle control 3=ignition system or misfire , i am at wits end , all connections are good , vehicle will hesitate upon normal driving at a steady speed rpms jump up and down not drasticlly but enough to know its there , so any ideas what is causeing this malfunction ,,
Oct 25, 2007 at 7:36 PM