Question about 2007 Hyundai Santa Fe Limited

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Why does the fuel gauge go to empty and the check engine light sensor comes on at the same time?

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6ya6ya
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SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

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Posted on Jan 02, 2017

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  • 1 Answer

SOURCE: fuel tank gauge is not registering properly. after...

This is a very common problem with the Snate Fe. It is a scam so they can charge you $350 to replace a defective sensor. They know the sensors are defective and don't last long but it is a money maker so they have not done anything about it.

Posted on May 28, 2010

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SOURCE: check engine light on rpm gauge

ok the crank sensor controls the rpm gage on your vehicle it sends a signal from the crank sensor to the pcm computer and from the computer to the rpm gage, there are 2 possible causes and that is the crank sensor not sending a signal to the instrument panel due to shorted, or the pcm not sending the signal to the instrument panel due to also shorted, there is a way to identify what the problem is.you will need to get the codes stored on the pcm memory with a scanner , or start by replacing the crank sensor , located on the transmission bell housing.------------ As you mentioned that check engine light is ON.So did you got the computer scanned.------In scanning you will get codes and as per codes replace the faulty part.---------
At autozone service center its absolutely free to get car scanned.They do it for free.------------
One more thing you can try is try to reset the computer and see, if check engine light turns off.--------- Disconnect the negative terminal of car battery for 30 minutes, then clean the terminal and reconnect it and turn the car on and check.If the check engine is off, that means reset is complete.But if still the check engine light is ON.Then the car needs to be scanned.---------- This will help.Thanks.Helpmech.

Posted on Jun 23, 2011

ghost45
  • 1280 Answers

SOURCE: 1991 hyundai scoupe; engine cranks but does not

You stated the 'CHECK ENGINE' light came 'ON'!... what/which DTC'S (Diagnostic Trouble Codes) OBDI were retrieved? In 1991, OBDI (1) was used. You could retrieve codes by either turning the ignition switch on/off two or three time within 3 seconds and the light would flash for each number (this way you could determine which system was affected). The POSSIBLE CAUSES are many:

Crank Position Sensor
Ignition Coils/Wires
Water/contaminated fuel
Electrical (Relay(s), fuse(s), Poor ground connections, failed ECU (Engine Control Unit), etc.

Are you getting a SPARK to the plugs?... if so, check fuel pump pressure
If you're not getting a spark to the plugs or not getting a fuel injector PULSE, then the crank position sensor MIGHT BE the problem.... NOT SURE!

Too many POSSIBLE or PROBABLE causes.

In order for an engine to RUN, it needs these things:

1. Air flow (intake AND exhaust)
2. Fuel (proper fuel to air mixture)
3. Compression (140 to 2?? psi)
4. Proper Timing (not too advanced/retarded)
5. Ignition (sufficient and at the correct/right time)

Now, after listing these 5 things, without CHECKING each one, your guess is a good as mine.

Posted on Mar 26, 2011

  • 1252 Answers

SOURCE: check engine light on rpm gauge flatlines replaced

All codes are misfires, have you changed plugs and wires ???

Posted on Jul 09, 2011

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sounds like you may have a bad fuel level sender problem. as for the check engine light coming on and storing a fault code that is a separate issue.

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Your sending unit for the fuel gauge could be off. Can you check the amount of fuel it takes to fill the tank when the gauge reads half ? If the gauge is right it should take half of the capacity of the tank to fill it up.

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{: ) If the fuel tank is actually low in fuel, this will be a normal thing. You can also check for fuel leaks. But for example, the last time you remembered it was at half level and after driving for a few miles, you made a stop for some reason, and off course you were expecting that you still have more fuel remaining to take you home or elsewhere. When you start the car again, the gauge suddenly reads empty. This is a classic symptom of a failing fuel level sensor that needs to be replaced.
An engine light may or may not come on. A better option is to check the vehicle using a scan tool to retrieve and clear codes that may have set, Usually, when the engine computer detects a fault in the fuel system, it will set a code, and the fuel gauge will default to zero regardless if your tank is actually full or half. The scan tool can also monitor and determine if the fault is from your gauge, the fuel level sensor, or from the engine control module.
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Mine too! I have a 2007 Chevy Malibu also and I knoticed it does that or bounces up and down once my tank gets to half full. Have you found a solution? Sometimes my check engine light comes on and sometimes it doesn't.

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You will need to replace the fuel level sensor which is in the fuel tank.They have a lot of problems because the metal fingers on the sensor wear off and gives you the incorrect readings.This will also cause the check engine light to come on.You will probably have a level sensor code.This will be a lot easier if the fuel level is down to about a quarter tank or less.Also you should be able to get just the level sensor and not have to get the complete fuel pump module.Good luck.

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it sounds like it is starved for fuel. you could have a bad fuel pump or your injectors are dirty (add a can of injector cleaner to fuel tank), or your uel gauge sending unit is sticking above empty even though the tank is empty.
Check for @ 40 psi of pressure at the fuel rail. There should be a shrader valve to connect a pressure gauge. If it is low, the pump is in the fuel tank Hvae to drop the tank to replace.

How does it run when cold? If better, a sign of a failing pump.

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