1994 Lexus LS 400 "check fuel pressure 94" Questions

...and how do i check fuel pressure check timing, see if belt may have slipped out of timing, and need pressure tester to test pressure where the fuel goes into the fuel filter. check for vaccuum

...check fuel pressure for pump, but can't find fuel shrader valve. Any other suggestions on what to look for ? You could check pressure and flow at the fuel filter.If the exhaust is VERY quiet it could ...

...fuel is indeed doing its job. 4cyl. could be bad injector, 6 cyl has spider injector assembly and fuel pressure regulator which I would check the fuel pressure regulator after the fuel pressure

...power to the pump and what powers the pump when driving. Still no pump running? Check fuse /wiring/connections/including ground. Lastly..... New fuel pumps don't always work just because they are

...and still wont start, owner is convinced it is the fuel pump not running check out fuel pump relay and oil sending unit for oil leak oil sender is made to cut out fuel pump apon oil pressure ...

fine,idles fine,but driving down the road it seems to misfire. Sometimes it runs just fine. I replaced fuel filter,plugs,cap,and wires but no change. Check fuel pressure,fuel pump maybe on the way out

...fuel up to injectors check air flow meter,map or maf sensor Does it have oil pressure, they need to have oil pressure to keep the fuel pump running. The fuel pump will prime for a couple of seconds ...

...94 expo where u hook up pressure gauges to check pressure The test port is on the fuel rail that supplies the fuel injectors on the top of the engine. ...

check eng. lite?intake hose no cracks and installed correctly and tight to throttle body. a must check fuel pressure regulator,can pull vac line while running will leak fuel,replace.exaust restriction

fuel pump , check these in that order. Good Luck ! bad fuel pump relay... check to see if you have power at fuel pump and check to see if u have fuel pressure at the fuel port on the motor when u turn