1993 Lexus Ls 400 "wiring directions fuel system" Questions

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...fuel filter one time if you have changed it last service. 3) I also agree with any vacuum or suction leaks you may have along your air intake system, while you're at it buy some MAF cleaner and give ...

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Question about Lexus LS 400

4 Answers

...Fuel economy and engine durability is increased when operated at normal operating temperature. There are several ways to test the opening temperature of a thermostat. One method does not require that ...

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fuel pump system. 86 e150 w/FI 5.0. no power to fuel pump system. tried to "jump" @ red block by battery & still nothing. pumps do work when "hot wired" direct. If pump does not work when power is

...fuel pump and sending unit applied power directly to pump and it appears to be working.now what? Now you put it back together & use a wiring diagram to learn the fuel system circuit & test ...

...harness is lost somewhere. It needs a supply to keep the pump running.Bleed the fuel system, if it fires up, its drawing air into the system. Check seals/o rings on fuel filters and any loose

...fuse. The system will still function as normal only the horn will not sound if the security system is tripped and it will not shut down the fuel pump. The security system has the fuel pump shut

Question about Lexus LS 400

2 Answers

...fuel system down. check some remote start companies on the internet you will find one with a wiring diagram, you can figure out the rest from there. its eas help from the BIG BRAIN Need dirgram frm ...

fuel manifold valve? Try all of the above before diving into wiring. I had the exact same problem. There's an orange wire that goes to the fuel pump relay it's supposed to have voltage but mine didn't

...fuel system to ensure that there is not air in the fuel system. for one there wouldn't be air in the fuel system. If you think the fuel injectors are clogged at all then run some injector cleaner ...

Question about Lexus LS 400

1 Answer

...fuel injector on a 1993 tracker throttle body system. the wiring diagram shows the control wires for the injector going directly from the ecm to the injector. ecm does control but is also based on ...

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