Jeep How-to: Advanced Fuel-Injection Troubleshooting and Diagnostics On-board computers and self-diagnosis have been the most significant advancements in the automotive service field. In …
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Jeep 4.0L MPI
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How-to Articles
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 …