...Check the fuel pressure. You can rent fuel pressure gauges at autozone, I believe. If too low, possibly a bad filter or bad pump. If too high, test the fuel pressure regulator. a failed regulator can ...
...power going to the pump I would check your fuel pump relay and fuses. There's also a sensor on the intake. If that is unplugged or if there is a tear in the intake then the car will refuse to stay ...
Question about Lexus LS 400
fuel pressure they should have checked the fuel regulator, could have bad fuel regulator The fuel system needs fully chacked but you did'nt say what it was doing just the draler said the fuel pump was
out white smoke run fault codes and replace faulty sensors. have a fuel pressure . Check injectors for correct operationtest done on the fuel manifold to test fuel pressure regulator. pump and filters
sluggish acceleration...could this be fuel pressure regulator? Start simple, change your gas filter first. Then check the gas pressure at the fuel rail. When was the last time you got a tune up?
Question about Lexus LS 400
...but as soon as you drive it a block it cuts off and hard to start. check your fuel pump and or fuel sending unit if it has good pressure sending fuel to the motor try checking your
...fuel filter,plugged air filter,could have low transmission fluid level or need transmission fluid changed, checked for restricted exhaust system, plugged muffler or catalytic converter will take away ...
...of valve in a lexus 91 Ls 400 Toyota products usually don't use a shut-off for the fuel system.If the fuel pressure is low, you would need to check the fuel pump relay for power and then the
...converter. You will need to check the back pressure of the exahust and the fuel pressure after it fails. This I say because you did not mention any trouble codes.(check engine light on or
...is "running" When you let off the key and the starter disengages the fuel pump will run until the engine stops moving check the fuel filter or the air filter they may be clogged and check fuel ...
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