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Where is the fuel sensor situated?

What does the fuel sensor look like, can you show me a picture of it

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Can you give me a full description of your vehicle please?

Posted on Nov 29, 2014


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This a picture of the freeze frame for my 99 lexus Rx 300. I would like to know what it means and are these normal parameters?

Yes, looks normal, and good. Calculated load is not much meaning, as it changes constantly. ECT of, oh that is centigrade, not sure how that translates to Fahrenheit, but it may be low from not running long...
Your fuel trims (both short term and long term-STFT, LTFT) are very good-showing that fuel is not being added or subtracted by the computer to maintain correct air/fuel ratio. Fuel trim numbers should be close to zero. It is when fuel trim changes by double digits-either positive or negative-that there is an indicated problem. For example, say you had a vacuum hose leak- sucking in extra air to the engine- then you could see STFT number go positive by double digits-meaning the computer senses a lean condition and is adding fuel to compensate. But your fuel trims show the air/fuel ratio must be correct-no change in fuel trims-the positive 2.3 in LTFT is negligible- not a problem.

Nov 07, 2016 | 1999 Lexus RX 300

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Besides the cat could a clogged fuel filter cause the hesitation?

a clogged fuel filter will have a marked performance accross all rpms but especially when a high prms with open accelerator position when there is a high demand for fuel
most failed cat converters show sign at high load/ rpms situation when the speed of the exhaust gas flow is impeded and chokes the inlet gasses from entering the inlet port during the induction stroke
fix the canister problem and run the fault codes
look for problems in the EVAP system and MAP/VAP sensors

Sep 16, 2015 | 2002 Ford Taurus

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MAP = mass air pressure, Baro is atmospheric air pressure ( as in barometer), VAF = volume air flow and MAF = mass air flow . The baro sensor alters the air fuel mixture for varying altitudes that the vehicle can travel through. IE from flat plains at sea level to over the rockis.. The VAF sensor measures the volume of air passing through the air intake . The MAF measures the combination of volume and the density of the air flowing through the air intake to adjust the air fuel mixture as cold air is more dense and requires more fuel to burn completely. The MAP measures the vacuum in the manifold after the throttle control to adjust the air fuel mixture in over run situations so that the car will not backfire. All these sensors continually supply input to the ECM which continually compares them with the O sensors and adjusts the injector pulse to ensure complete burn of the mixture in all situations and engine rpm's.

May 13, 2014 | Cars & Trucks

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it maybe that the oil pressure sensor is defective and needs to be replaced, or there is a short circuit on the sensor circuit. try removing the cable from the sensor to see if the situation changes.
check your oil quality, if the oil system is being contaminated with leaking fuel or coolant it will show a good level but the pressure will still be low.
remove the dipstick when the engine is cold of the oil is very running and smelling of fuel it maybe that there is a leak at your fuel pump into the engine.
remove the oil filler cover and see if there is white emulsion in the cover in around the filler hole this indicates antifreeze mixing with the oil. either through engine damage or cylendar head gasket leak.
I hope this was useful

Oct 25, 2011 | Cars & Trucks

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Trying to find out what is causing a 2000 RX300 to stall out and or not start unless your constantly giving it gas. It just won't idle at times and does not show any fault codes.

I think I'd check out the air flow sensor. Its situated between the air filter housing and the throttle body. Another place of interest may be the fuel filter or the submersible pump. You'll need to get a fuel pump pressure test done. That should only be carried out with the correct instruments and proceedures. Try the first suggestion first though

Oct 05, 2010 | 2000 Lexus RX 300

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BMW 323i 1999 takes a long time to start in mornings and after short layoff. Engines seems not to want to crank. Battery OK. Changed sensors, fuel pump & relay. Dealer cant find fault. Starts after...

Friend, you've changed everything but the right thing. The temperature sending unit. It tells the computer to go into cold start mode to start the engine by putting more fuel into the engine. If this sensor is erratic, sometimes don't work, it will cause a hard start situation if not in cold start mode. Dealer cant find this because it's a manual thing and may not be showing up on his tester.

Nov 12, 2017 | 2000 BMW 3 Series

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My engine light on and I can't pass to get my tags, I was told it was my 0/2 sensor that was bad and I replaced it and the engine light is still on.

o2 sensors are more of a message delivery for the ecm,replacing them,most of the time does nothing,if it said there was a lean situation,I would check the fuel filter,and fuel pump,if it said there was a rich situation,I would check the fuel pressure regulator,and give it a major tune up.

Jul 11, 2010 | 2002 Toyota Camry

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My fuel gage does not work properly it fluxuate to rapedly

The first thing that goes wrong in this kind of situation is fuel level sensor which is intergrated with the fuel pump, I recommend opening the fuel pump and checking the fuel level sensor might work properly after a simple cleanup or a new one. Hope it helps,

Feb 15, 2010 | 2005 Chevrolet Avalanche

1 Answer

Where is the fuel coposition sensor from a ford

This must be flex fuel? It should be on the fuel rail.

Aug 22, 2009 | Ford Ranger Cars & Trucks

1 Answer

Fuel pump not working in a Mitsubishi Magna 3.0 wagon

wer is the fuel pump situated in the back of my 94 magna advance wagon plz

Jun 02, 2009 | 1995 Mitsubishi Diamante

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