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Regina fuel pump check valve? 900

posted by  rjritterjr92 on  Sat Sep 24 15:21 CST 2022
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Is there a fuel pump for the Regina ignition in-tank pump setup that has a check valve? Or are there other solutions on Regina ignition vehicles?

I bought p/n 3507736 from FCP Euro, but it's very hard starting in the morning after sitting over night. The FAQ page only discusses the Bosch arrangement with the pump under the vehicle. I read that the Regina pumps are to have a check valve built into them, but this must not be the case on the pump I received.

I can turn the key on and off 6-10 times to pressurize the fuel rail, and then it starts right up. Otherwise, it's a lot of cranking before it fires.

I'm working on a 93 940 with Regina ignition and only one fuel pump which is in the tank.
--
94 940 n/a 330k+ and rolling, owned 20+ yrs; 93 940; 89 780 turbo; 05 XC90; 07 S60 T5; sold 92 745T; sold 88 764T






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