ford escort zx2. got codes p0340, p0300,p0302, p0304. replaced plug, wires and cps. what should i do

So far you have done the best first thing.. Start with a fresh tune up. Next look at all the codes and determine what could cause all of them. And the P0340 code is a big indicator. P0340 Camshaft Position Sensor Circuit Malfunction Camshaft Position Sensor Testing A clogged cat would cause : codes p0340, p0300,p0302, p0304 but not p0340. You can use a back pressure tester in-place of the o2sensor and you need to see less than 1 1/2 psi or it is clogged. The original post Is From Free Auto Mechanic Automotive Advise Blog. If you are reading this post from any other blog, the content has been scraped by the blog owner who is too lazy to write original content
Read the original here ford escort zx2. got codes p0340, p0300,p0302, p0304. replaced plug, wires and cps. what should i do

