My check engine light on my 96 dodge ram 1500 5.9L the code when i did the stock code read was 121556 i don't have a book, so does anybody know what that is?
I never trusted the flash out codes on an OBD2 Chrysler product, most auto parts stores will check the codes for free, go to one get the codes then repost here and we will try to help you get where you need to be.
It was a header gasket. now do you know if i can use High-Temp Rtv silicone gasket maker instead of buying a gasket
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