Hi, I just recently replaced my coolant temp sensor, coolant level sensor, coolant, O2 sensor, and fuel filter. My idle has gotten a bit smoother however startup is still rough and I'm still running rich(i think) I really need to fix this soon because my Nox levels are too high to pass emissions.
I do notice that under heavy load i can hear my exhaust rattling.. could that be a shot catalytic converter? Also, the last time i troubleshooted my ignition problems, I pulled the spark plugs and found out that they were loose and had some oil on them. Is this because I need a new valve cover gasket or could the leak be coming from somewhere else? I also have oil in my coolant so I'm guessing I need a new head gasket, but are there are any reasons why I have oil in my coolant?
-Brandon
I do notice that under heavy load i can hear my exhaust rattling.. could that be a shot catalytic converter? Also, the last time i troubleshooted my ignition problems, I pulled the spark plugs and found out that they were loose and had some oil on them. Is this because I need a new valve cover gasket or could the leak be coming from somewhere else? I also have oil in my coolant so I'm guessing I need a new head gasket, but are there are any reasons why I have oil in my coolant?
-Brandon
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