How-to: Troubleshooting Jeep Fuel Injected MPI Engines Overview: Jeep ‘PCM’ and Multi-Point Fuel Injection Systems AMC electronic fuel injection for Jeep engines dates to 1987. …
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Moses Ludel’s 4WD Mechanix Magazine – Tuning and Troubleshooting the 2.5L Jeep TBI Four
by Moses Ludelby Moses LudelHow-to: Tuning & Troubleshooting Jeep 2.5L TBI Four-Cylinder Engines In 1986, the AMC 2.5L/150 four cylinder engine gained throttle body injection in the XJ …
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Moses Ludel’s 4WD Mechanix Magazine – Jeep XJ and MJ Fuel, Spark & Emission System
by Moses Ludelby Moses LudelQ&A How-to: Jeep XJ Cherokee and MJ Comanche—Fuel, Spark & Emissions Enjoy the many detailed, traditional ‘Q&A’ exchanges in these article columns…’Q & A’ has …
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Moses Ludel’s 4WD Mechanix Magazine – Jeep Electrical Troubleshooting & Field Fixes
by Moses Ludelby Moses LudelJeep Technical How-to: Electrical Troubleshooting and Quick Fixes Troubleshooting skills play a large role in four-wheel drive survival. Many mechanical problems can be repaired …
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Moses Ludel’s 4WD Mechanix Magazine – Jeep Emission Control Troubleshooting
by Moses Ludelby Moses LudelJeep 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 – Use OEM Mopar Oxygen Sensors!
by Moses Ludelby Moses LudelJeep 4WD & Ram Truck How-to: Always Use Genuine Mopar Oxygen Sensors! Four-wheeling in the Sweetwater Range or Nevada’s remote high desert country, the …
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Moses Ludel’s 4WD Mechanix Magazine – Jeep Engine Tuning, Diagnostics and Troubleshooting
by Moses Ludelby Moses LudelHow-to: Jeep Engine Tuning and Troubleshooting Rapid advances in engine fuel-and-spark management span the modern Jeep era. In 1987, the YJ Wrangler 2.5L four became …
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Moses Ludel’s 4WD Mechanix Magazine – Backcountry Troubleshooting Tools for Jeep Fuel-and-Spark Systems
by Moses Ludelby Moses LudelField Troubleshooting Tools for Jeep Fuel Injection Systems Diagnostics can be largely enhanced and refined with the use of dealership-caliber scan tools. When repairs are imminent …