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Home >> Dodge and Ram >> 1985 >> Caravan Base, 2.2 C, Standard >> Repair and Diagnosis >> Engine Performance >> System >> 2.2L EFC System >> Testing >> Engine Idle System Test >> Checking Idle Mixture
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Checking Idle Mixture

  1. Remove hose to heated air sensor from 3-wire connector and install propane supply hose in its place. Open propane main valve. Meter propane until maximum RPM is reached.
  2. Engine speed should increase by 90 RPM. If so, go to next test. If engine speed increase is not okay, adjust according to propane assisted idle set procedure.
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