GM Cavalier/Sunfire 1995-2000 Repair Guide

Fuel Pump

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TESTING



See Figures 1 through 21



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Fig. Fig. 1: Fuel pressure gauge setup for 2.3L/2.4L engines



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Fig. Fig. 2: 2.3L fuel system diagnostic chart (1 of 2)



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Fig. Fig. 3: 2.3L fuel system diagnostic chart (2 of 2)



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Fig. Fig. 4: 2.3L fuel pump electrical schematic



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Fig. Fig. 5: 2.3L fuel pump electrical diagnostic chart (1 of 2)



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Fig. Fig. 6: 2.3L fuel pump electrical diagnostic chart (2 of 2)



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Fig. Fig. 7: 2.4L engine fuel pump relay circuit diagnosis chart (1 of 3)



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Fig. Fig. 8: 2.4L engine fuel pump relay circuit diagnosis chart (2 of 3)



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Fig. Fig. 9: 2.4L engine fuel pump relay circuit diagnosis chart (3 of 3)



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Fig. Fig. 10: 2.4L engine fuel system diagnosis chart (1 of 4)



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Fig. Fig. 11: 2.4L engine fuel system diagnosis chart (2 of 4)



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Fig. Fig. 12: 2.4L engine fuel system diagnosis chart (3 of 4)



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Fig. Fig. 13: 2.4L engine fuel system diagnosis chart (4 of 4)



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Fig. Fig. 14: Fuel pressure gauge setup for 1998-00 2.2L engines



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Fig. Fig. 15: 1998-00 2.2L engine fuel pump relay circuit diagnosis chart (1 of 3)



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Fig. Fig. 16: 1998-00 2.2L engine fuel pump relay circuit diagnosis chart (2 of 3)



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Fig. Fig. 17: 1998-00 2.2L engine fuel pump relay circuit diagnosis chart (3 of 3)



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Fig. Fig. 18: 1998-00 2.2L engine fuel system diagnosis chart (1 of 4)



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Fig. Fig. 19: 1998-00 2.2L engine fuel system diagnosis chart (2 of 4)



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Fig. Fig. 20: 1998-00 2.2L engine fuel system diagnosis chart (3 of 4)



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Fig. Fig. 21: 1998-00 2.2L engine fuel system diagnosis chart (4 of 4)

REMOVAL & INSTALLATION



Please refer to fuel pump removal and installation under Bottom Feed Port Injection System earlier in this Section.

 
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