Fuel Pressure Regulator Valve -N276-, CHECKING: Procedure

-- Remove the engine cover. Refer to ENGINE COVER, REMOVING AND INSTALLING .

-- Loosen the clamp -arrow- and remove fuel hose from the high pressure reservoir.

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-- Seal the open return line connections with a blind plug.

-- Connect the hose -3- to the return connection for the high pressure reservoir -2-.

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1) Checking With The Engine Running 

-- Start the engine and let it run at idle.

• Specified value: in 30 seconds greater than 75 ml (2.5 oz)

If the specified value is not reached, then the Fuel Pressure Regulator Valve -N276- is faulty.

2) Checking With The Engine Running 

If the requirement under 1) is met, increase the engine speed to greater than or equal to 2000 RPM.

• Specified value: return quantity 0 ml
• A small amount of dripping is permissible.
• If the specified value is not reached, then the Fuel Pressure Regulator Valve -N276- is faulty.

3) The Engine Does Not Start 

Perform the test at cranking speed.

• Specified value: return quantity 0 ml
• A small amount of dripping is permissible.
• If the specified value is not reached, then the Fuel Pressure Regulator Valve -N276- is faulty.

-- Install the engine cover. Refer to ENGINE COVER, REMOVING AND INSTALLING .