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356911930 356911930 is offline
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Join Date: Apr 2011
Location: Santa Cruz, CA
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Hi Ned,

One check you can make is the pressure at the incoming fuel line to the rear fuel pump. Disconnect the fuel line going into the rear fuel pump. Install your fuel pressure gauge set. Pressure must be between 2 and 4 bar. If less than 2 bar, the first pump (front) is defective. If more than 4 bar, the second pump (rear) is defective.

This should verify that your fuel pumps are working correctly.

Best of luck,

Rahl
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1976 930 turbo Carrera, "Ubich". Mostly stock, lightly sweetened. She’s an angry schwierigkeit. She doesn’t want flowers, she just wants to dance! And when she does, she shakes her hips to the rythem of the road. Drive her like you hate her!
Old 12-09-2023, 04:49 PM
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