Hi guys. Can anyone kindly assist me. I have oil sitting in my upper manifold. I changed the spark plugs and installed a new PCV VALVE and coolant temperature sensor, throttle position sensor , IAC VALVE AND THRITTLE BODY. SO I have been busy. I also have a P 1647 code. That痴 the last code I知 trying to deal with in bank 2. This code appeared last week 6 months after I replaced both upstream sensors I知 now in the process of changing the upper and lower manifold gaskets. I知 also going to replace the injectors. I知 also going to inspect the ignition coils as there is some misfiring in cylinders 1,3 & 5. This did not appear in the diagnostics before I changed the spark plugs. Any advice would be much appreciated,
kind regards ,
saj,
london.

 

Sb10, you are going to need to clean out the oil from the intake and then see if you are getting a new build up of oil. You will see a little bit, but from what I am gathering, you are getting more than just a little layer. The bad PCV valve would cause what you are seeing. With the new PCV valve in, things should start getting better.

 

thanks Thermo I値l check the PCV VALVE AGAIN N CLEAN OUT THE OIL N THEN KEEP AN EYE ON ANY FURTHER BIULD UP.