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R32 Wont Start :( Help Please

David32

By David32,
in Engines & Forced Induction

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David32 Apprentice

David32

Posted
Posted

Ok i have a r32 with a rb20det a bosch 0 580 fuel pump (i think is a 700hp pump) with a turbosmart fpr (fpr-800)

the car broke down while i was driving tried to start it but wouldnt start as the fuel pump was not working. checked fuse and relay in the boot and was algood so thought it was the pump as i have been running my gas pretty low lately and sometimes my fuel pump would make a different noise which only came on when my gas was really low so thought i had stuffed up the pump. Had a spare walbro 500hp fuel pump which is wayyyy smaller then the bosch fuel pump and installed it. Tried to start after installation and still no fuel pump noise so i checked the other relay where the cap is and found that it was not grounded properly so the fuel pump wasnt stuffed after all..(i know should hav checked it in the first place) pmo. anyway after grounding the relay again fuel pump was working again and car started. I let it idle (to warm up) and after about a minute it just turned off by itself and wont start anymore.

just wondering if anyone who has more knowledge out there could help me out. before i chuck back the bosch fuel pump back in and see if that works?

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DVS JEZ Grand Master

DVS JEZ

Posted
Posted

Check for power and earth at the fuel pump when priming the key or cranking.

Check for fuel flow at the engine by carefully removing the fuel line and placing it into a bottle to check for flow and prime

David32 Apprentice

David32

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Posted

fuel pump still primes when key is turned on so guess the power and earth is allgood? i tried removing the fuel line but it just doesnt wanna come off so i squeezed it abit when priming and the line expanded which means theres flow

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