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02-15-2020, 01:11 AM
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|   Not Ranked : 0 score  Fuel Pressure Issues There is no part number because Mazda calls for replacing the entire fuel rail, which comes with the sensor pre installed. But I think you just answered your own question. Lowest common denominator is the sensor if you’re getting 3 different readings from 3 different sensors. NORMAL fuel pressure readings are as follows: KOEO (Key On Engine Off) : 55-70 psi Idle : 400-500 warmed up to normal operating temps (can be slightly lower or higher, varies with conditions) WOT : ALWAYS, ALWAYS, ALWAYS above 1600 Keep in mind fuel pressure at KOEO WILL taper off once the evap system kicks on. It should be 60 psi from a fresh prime COLD and it should hold fairly steady for a few minutes. Edit: On a side note... NEVER trust eBay parts for critical components of your fuel system! You may be the lucky one and it may work out great and you get to brag that you saved a few bucks. OR you can sit and watch your car roast in flames because a cheap ass part failed and fuel sprayed all over a hot engine bay. That sucker is holding 1800+ psi at WOT. That requires quality materials, precision machining, and “higher than eBay” testing and quality control. Sent from my iPhone using Tapatalk Last edited by Solarsurge; 02-15-2020 at 01:32 AM. |
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