2006 Dodge Ram 2500 HD
my 2006 Dodge Ram cranks but wont start, its reading a P0420 code for the
catalytic converter would this keep the truck from starting.
2 Answers
If a cat was 100% plugged up the engine could not run. It might fire for a second or so but then die.
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Yes, it will not run if it's plugged up and you don't want to run it because it can not exhaust the hot fumes and will damage the engine.
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