Eurovan V6-2800cc 2.8L (AES) (2000)
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Observe pressure drop on gauge.
If pressure does not drop:
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Replace fuel pressure regulator.
If pressure drops:
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Check fuel pump check valve.
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Check fuel line connections and O-rings on lower intake manifold and fuel injectors for leaks.
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Check pressure gauge for leaks.
NOTE:
Before removing the pressure gauge, release any residual fuel pressure by opening the shut-off Hold a container over the connection while doing this.