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Home >> Jeep >> 1998 >> Wrangler 4WD L6-4.0L VIN S >> Repair and Diagnosis >> Powertrain Management >> Computers and Control Systems >> Relays and Modules - Computers and Control Systems >> Engine Control Module >> Description and Operation >> Leak Detection Pump-PCM Output
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Leak Detection Pump-PCM Output

Certain engines with certain emissions packages are equipped with a leak detection pump (LDP). The LDP is activated through this PCM output. Refer to Emission Control Systems for additional information.
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