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Home >> Chevrolet >> 1995 >> Cavalier Base, 2D Coupe, Standard >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Tests W/Codes - 2.2L >> ECM/Pcm Code Charts >> Code 45, Rich Exhaust Indication >> Fuel Pressure High
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Fuel Pressure High

If fuel pressure is too high, air/fuel ratio will be rich. For fuel pressure checking procedure, see BASIC TESTING (W/O OBD-II) article in this section. Control module can compensate for slight increases, but a code will be set if air/fuel ratio becomes too rich.

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