blitzcivicsi
Junior Member
hey every morning for the past two days when ive started my car the check engine light comes on with:
fault code = p0420 ENG and the discription is:
cat sys effic b1 below threshold
i think it means my cat is about to die but im not to sure. can anyone tell me exactly what this means and what i need to do to fix it.
fault code = p0420 ENG and the discription is:
cat sys effic b1 below threshold
i think it means my cat is about to die but im not to sure. can anyone tell me exactly what this means and what i need to do to fix it.
