Integra (RS, LS) L4-1834cc 1.8L DOHC PFI (1995)
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Fuel Pressure Regulator: Testing and Inspection
WARNING: Do not smoke during the test. Keep open flames away from your work area.
1. Attach a fuel pressure gauge to the service port of the fuel filter. Pressure should be 275-324 kPa (40-47 psi) with the fuel pressure regulator
vacuum hose disconnected and pinched.
2. Reconnect the vacuum hose to the fuel pressure regulator.
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If the fuel pressure did not drop, replace the fuel pressure regulator.
3. Check that the fuel pressure rises when the vacuum hose from the fuel pressure regulator is disconnected again.
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If the fuel pressure did not rise, replace the fuel pressure regulator.
