P1151 Ford -

Question

Hi,i have a 2000 ford crown vICTORY with this p1151 code.I replaced i oxygen sensor and it"s still throwing this code. Please help.

Answer 1

HI there,

Check for a blocked converter or a problem with an intake or exhaust leak. This code indicates a lean mixture and sometimes the rear O2 sensor can cause the front O2 to stay lean. Also, make sure to check the wiring harness for any place the insulation might have rubbed through