Lexus Sc300 Fuel Pump Ecu Bypass at Lola Michell blog

Lexus Sc300 Fuel Pump Ecu Bypass. Step by step replacement of the fuel pump e.c.u.lexus sc300 fuel pump ecu bypass.lexus. Does anyone get overfuelling issues on idle by running 12v to the pump all he time? Aem wants to run the fuel pump by itself without the use of a fuel pump ecu, the stock ecu requires the fuel pump ecu to run. As i understand it, the ecu should drop the pump. When i either bypass the fuel pump ecu or jumper fp & +b on the diagnostic port under the hood nothing happens until i turn the key. Rough starts, no starts, engine stalls. I began having the usual problems with the fuel pump ecu in my '93 sc300; The first replacement was from 92 sc400 fuel ecu with. (3) different fp ecu's were tried, none worked. Apart from gettin a new fuel pump ecu you can bridge some connections to bypass the ecu. For the past 7 months, i replaced 2 fuel pump ecu for my 92 sc400.

For the past 7 months, i replaced 2 fuel pump ecu for my 92 sc400. As i understand it, the ecu should drop the pump. When i either bypass the fuel pump ecu or jumper fp & +b on the diagnostic port under the hood nothing happens until i turn the key. Rough starts, no starts, engine stalls. Step by step replacement of the fuel pump e.c.u.lexus sc300 fuel pump ecu bypass.lexus. The first replacement was from 92 sc400 fuel ecu with. Aem wants to run the fuel pump by itself without the use of a fuel pump ecu, the stock ecu requires the fuel pump ecu to run. (3) different fp ecu's were tried, none worked. I began having the usual problems with the fuel pump ecu in my '93 sc300; Does anyone get overfuelling issues on idle by running 12v to the pump all he time?

Fuel Pump Control Module? Ground side circuit voltage drop Toyota

Lexus Sc300 Fuel Pump Ecu Bypass When i either bypass the fuel pump ecu or jumper fp & +b on the diagnostic port under the hood nothing happens until i turn the key. (3) different fp ecu's were tried, none worked. Rough starts, no starts, engine stalls. I began having the usual problems with the fuel pump ecu in my '93 sc300; Apart from gettin a new fuel pump ecu you can bridge some connections to bypass the ecu. The first replacement was from 92 sc400 fuel ecu with. Step by step replacement of the fuel pump e.c.u.lexus sc300 fuel pump ecu bypass.lexus. For the past 7 months, i replaced 2 fuel pump ecu for my 92 sc400. Aem wants to run the fuel pump by itself without the use of a fuel pump ecu, the stock ecu requires the fuel pump ecu to run. As i understand it, the ecu should drop the pump. When i either bypass the fuel pump ecu or jumper fp & +b on the diagnostic port under the hood nothing happens until i turn the key. Does anyone get overfuelling issues on idle by running 12v to the pump all he time?