Jeep How-to: Tailpipe Emission Controls and Troubleshooting Note: The PCM is responsible for a number of emissions and evaporative canister functions. As a …
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Moses Ludel’s 4WD Mechanix Magazine – How-to: Installing a Random Technology High Performance Catalytic Converter
by Moses Ludelby Moses LudelRandom Technology Catalytic Convert Improves Jeep 4.0L Performance! Since 1975, American passenger cars and light-duty trucks have required a catalytic converter. With the exception of some J20 …