Warm-up Regulator

Fits:
Porsche 911 SC 3.0L 1975-83

Having problems starting your 911 when it's cold? It could be the warm up regulator located on the upper left hand side of the engine. This simple device is responsible for controlling the amount of fuel delivered to the engine during its warm-up period. The pressure acting upon the top of the control plunger varies depending on the engine temperature and provides an effective method of enrichment. The control pressure is tapped off from the primary pressure circuit in the metering head's lower chamber through a tiny restrictive hole which gives it the ability to differentiate between the two pressures. A flexible pipe then connects the control plunger gallery to the warm-up-regulator and returns back to the metering head to a connection next to the primary pressure regulator's transfer valve. This valve is in the circuit to close the fuel from the control circuit when the engine is off, avoiding the total loss of system pressure while the engine is stationary.

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• Please note, surcharge refunds often take an average of 6 to 8 weeks to be approved by the manufacturer.
• Acceptance of the exchange part is at the manufacturer's discretion, based on the part being fit for reconditioning.
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Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

911606105JX

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