13 31 029 Checking fuel pump delivery pressure

Special Tools Required: 

• 13 1 130
• 13 3 063
• 13 5 220
• 13 5 221
• 13 5 222

Necessary Preliminary Tasks: 

• Switch off ignition.

Recycling: 

Catch and dispose of escaping fuel.

Observe country-specific waste-disposal regulations.

Checking fuel pressure with diagnosis system: 

Connect special tools 13 1 130 and 13 5 222 to pressure sensor of diagnosis system.

Checking fuel pressure with pressure gauge:

Attach special tools 13 3 063 and 13 1 130.

Fig 1: Identifying Pressure Gauge And Adapters

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Remove cover from injection pipe.

Remove dust cap (1) from measuring valve on injection pipe.

Fig 2: Removing Measuring Valve Dust Cap

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Prepare special tool kit 13 5 220 (consisting of 13 5 221 and 13 5 222).

Connect special tool kit 13 5 220 to pressure sensor of diagnosis system.

Fig 3: Identifying Adapter And Non-Return Valve

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Screw non-return valve (1) onto special tool so that valve remains closed in injection pipe.

Screw special tool kit 13 5 220 onto injection pipe so that sealing ring is sealed in special tool.

Fig 4: Locating Special Tool Kit 13 5 220 In Injection Pipe

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Start engine.

Screw in non-return valve (1) of special tool kit 13 5 220 until pressure indication appears in diagnosis system.

Fig 5: View Of Non-Return Valve

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This could damage the measuring valve in the injection pipe.

Measuring Fuel Pressure: 

Start engine.

Check fuel delivery pressure. Refer to FUEL SYSTEM - TECHNICAL DATA - COOPER (1.6L) R50/W10 .

Switch off engine.

Fig 6: Checking Fuel Delivery Pressure

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