I have a problem with my '99 Explorer. It will start up but then surges up and down at idle and eventually stalls. Also, when driving it you must give it very little gas or it will braek down or miss but let off the gas and it idles again fine? I was told this may be O2 sensors? I pulled 2 codes "PO135" and "PO161" are these sensors located just after the manifold or and these the rears? Hope someone replies. THANKS
have the same problem?
Wednesday, June 6th, 2007 AT 6:05 AM