ISX15 cm2350 Gear(Lift) fuel pump
01-11-2017, (Subject: ISX15 cm2350 Gear(Lift) fuel pump ) 
Post: #2
RE: ISX15 cm2350 Gear(Lift) fuel pump
As far as the main fuel rail pressure is concerned...

How much it is allowed to fluctuate,.. I do not know, but I do know it is normal to go up and down by quite a little bit.

It is normal for the pressure to fluctuate. It is a bypass/charging circuit system with an accumulator, meaning it will charge to a certain pressure,.. bleed off as the fuel is used,.. and re-charge when if reaches a minimum pressure that makes the pump kick back in and top it off again.


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 Thanks given by: mmssvv


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RE: ISX15 cm2350 Gear(Lift) fuel pump - Rawze - 01-11-2017



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