In the past I have used Mobil 1 Synthetic 10W/30 and filter. I got the oil for free. I just used it as a temporary change because I am looking at the possibility that my old oil was fouled or contaminated. But I will check out my injectors. I am going to look up my codes right now, thank God for this cheap code reader I love it! I didn't realize I possibly have an injector issue.
So a bad injector might cause this?? So if the noid light beeps the injector is good or bad?
Just to clear things up:
Would a bad head gasket make the truck run terrible and cause bad compression on cyl 4?
Also, is it possible I might have a cyl. head problem, i.e. stuck valve or carbon buildup?
Thanks again guys, keep this post going if anyone else has some advise.
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