1999 Lexus ES 300 "check fuel regulator bad" Questions

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...02 sensors are what help regulate the fuel mixture. if one or all is running lean, it is telling the computer to add more fuel. before you replace the sensor/s check for vacuum leaks. Let me know ...

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...check your fuel pressure regulator for a torn diaphragm. The regulator is on top of the engine connected to the fuel rail and looks like the picture below. Pull the vacuum hose off the regulator and ...

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...check engine light is linked to the fuel air mixture ECU which regulates fuel mixture. If an O2 sensor on the engine or exhaust area is clogged or failing due to leaky catalytic converter, the ECU ...

check valve and a return fuel line off the fuel regulator to another check valve. Both connect through a "T" and go to the EVAP can by the f uel tank. Problem is fuel is going into intake and flooding

...VACUUM.CHECK VACUUM LINE GOING TO FUEL PRESSURE REGULATOR.MAKE SURE ITS GETTING VACUUM.IF YOU SEE GAS IN VACUUM LINE TO REGULATOR.REPLACE FUEL PRESSURE REGULATOR.IF ALL IS GOOD FUEL PUMP GOING

Question about Lexus ES 300

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fuel pressure regulator How does one know if fuel pressure regulator is bad?Have a 1995 dodge carvan fuel not returning to tank through return line.Line is not blocked. Have you checked the fuel ...

Question about Lexus ES 300

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...Check for fuel in the map sensor and also check for fuel laying in the air intake tube that is connected to the throttle body.If you have fuel in either of these then your fuel pressure regulator is ...

Question about Lexus ES 300

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...CHECK FUEL PRESSURE REGULATOR VACUUM LINE IF YOU SEE GASOLINE IN VACUUM DIAPHRAM TO FUEL PRESSURE REGULATOR REPLACE FUEL PRESSURE REGULATOR,CHECK THE EVAP CANISTER IF GAS SOAK IT WILL CAUSE RICH FUEL ...

...fuel regulator. Check the oil dipstick and see if you smell fuel on it. If you do, it could be a symptom of a bad fuel regulator. The regulator has allowed gasoline to leak into the oil

Question about Lexus ES 300

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CHECK FUEL PRESSURE IT SHOULD BE 41 TO 47 PSI. IF NOT REPLACE FUEL FILTER..IF DONT HELP FUEL PUMP BAD.IF FUEL PRESSURE GOOD.CHECK VACUUM LINE TO FUEL PRESSURE REGULATOR SHOULD BE GETTING VACUUM IF NOT

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