850 Turbo L5-2.3L Turbo VIN 57 B5234FT (1996)
Measurement of System Pressure
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Read system pressure on pressure gauge.
System pressure should be 300 kPa (43.5 psi).
If reading is correct:
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Proceed to: CHECKING THE FUEL FILTER section below.
If reading is too high:
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Proceed to: SYSTEM PRESSURE TOO HIGH section below.
If reading is too low:
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Proceed to: SYSTEM PRESSURE TOO LOW section below.
System Pressure Too High
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Disconnect jumper lead across relay base terminals 1 and 3.
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Disconnect return line from pressure regulator.
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Blow through line towards tank.
If line is clear:
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Try with new pressure regulator and measure system pressure again.
If line is blocked:
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Check for blockage in return line and clean or replace as required. Measure system pressure again.