2000 sentra no spark P0340

Question

2000 sentra. had half-dozen DTCs including mass airflow meter and primary isgnition. Replaced MAM and ran fine for two weeks then starting running rough. again half-dozen codes including primary ignition, Camshalf and Crankshaft positin sensors. Replaced both sensors ran good for 3 weeked then suddened died while going 40 mph. Now has no spark and again half dozen DTCs including primary ignition. Replace ECM. Still no spark and now we get only one code P0340, CPS which is only one month old. Any idea?

Answer 1

Hi there,

First, if you didn't use a factory cam sensor, i would try that first. If that doesn't solve it, then it's quite possible the timing chain jumped time and that is causing the constant cam sensor code.