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What sensors deal with gas - 2002 Chevrolet Impala

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Fuel level or fuel economy? As in do you have a problem with the fuel gage not working, or a poor fuel economy problem?

Posted on Apr 06, 2015

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Posted on Jan 02, 2017

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I have 1999 grand jeep cherokee v6..it has 180,000 miles. My problem is it keeps loosing gas mileage. I do need a new muffler and y pipe but everything is getting worse since I noticed that. For example I...


Exhaust leaks will cause oxygen sensors to read too much oxygen and make the fuel mixture rich. Fix the leaks and you will get better mileage. You have a sensor just in front of the cat so increased air /oxygen will cause this condition.

Sep 12, 2014 | 1999 Jeep Grand Cherokee

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My 2005 4L80e poped out of drive at 65 mph and now it does not go into drive and it goes to idle and coasts when I let off the gas.


Here's what my problem was in my '93 GMC when this happened.. A speed sensor was faulty.. The dealership hooked me to their computer and they had the answer right away.. They changed the sensor (not a big deal) and it's worked perfectly since.

Dec 06, 2013 | 1993 GMC Sierra C3500

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My 2001 catera out of the blue stopped running. I changed the crank shaft position sensor . I have been told it could be the gas cap preventing it from starting. the code P0455 comes up


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P0450 Evap Emission Ctrl Sys Pres Sensor Error
P0451- Evap Emission Ctrl Sys Pres Sensor Range/Perf
P0452- Evap Emission Ctrl Sys Pres Sensor Lo Input
P0453- Evap Emission Ctrl Sys Pres Sensor Hi Input
P0454 Evap Emission Ctrl Sys Pres Sensor Interm
P0455- Evap Emission Ctrl Sys Gross Leak Detected
P0456- Evap Emission Ctrl Sys Very Small LeakDetected)
P0457 Evap Emission Ctrl Sys Leak (fuel cap loose/off)
P0458 Evaporative Emission Sys Purge Ctrl Valve Circ Low
P0459 Evaporative Emission Sys Purge Ctrl Valve CircHigh
P0460- Fuel Tank Level Indicator Circ Error
P0461- Fuel Level Sensor Circ Range/Per

P2408 Fuel Cap Sensor/Switch Circ
P2409 Fuel Cap Sensor/Switch Circ Range/Perf
P2410 Fuel Cap Sensor/Switch Circ Low
P2411 Fuel Cap Sensor/Switch Circ High
P2412 Fuel Cap Sensor/Switch Circ Interm/Erratic

Sep 17, 2012 | 2000 Cadillac Catera

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Service engine soon light comes on and gas guage does not work


IT SOUNDS LIKE YOU HAVE 2 UNRELATED PROBLEMS. THE CHECK ENGINE LIGHT 9 OT OF 10 TIMES IS DUE TO AN O2 SENSOR, ITS PART OF YOUR SMOG EQUIPMENT. IF YOU DRIVE RELATIVELY SHORT DISTANCES ALL THE TIME THE OXYGEN SENSORS WILL GET PLUGGED CAUSING THE LIGHT TO COME ON, REPLACING THE OXYGEN SENSORS ISNT A BIG DEAL. NOW FOR THE GAS GUAGE NOT WORKING, IT COULD BE A FEW THINGS, FIRST CHECK YOUR FUSES, IF THEY ARE OK, IT COULD BE A RELAY, A BAD GUAGE OR JUST A LOOSE WIRE TO THE GUAGE,OR THE SENDING UNIT FROM THE TANK TO THE GUAGE. BUT MOST LIKELY ITS PROBABLY A SENSOR THAT HAS GONE BAD.

Dec 31, 2011 | 2006 Nissan Pathfinder

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Horrible floating gas gauge


The sensor is bad. Unfortunately the only fix is a new fuel pump. The pump and sensor are a 1 piece deal. The cost of a pump is $300-$500 plus installation. Unless you know somebody that gets a discount on car parts. Looking around 1-2 hrs for installation.

Mar 17, 2010 | 2003 Saturn VUE

2 Answers

99 dodge dakota wont shift from first gear but also fuel light is on i bought from auction and put 5 gal of gas and needle moved a lil would this make the truck not shift?


No the fact that your vehicle is low on gas should have nothing to do with the shifting of the transmission. You are dealing with two separate issues.

Jan 07, 2010 | 1999 Dodge Dakota

1 Answer

My 1990 oldsmobile tornado trofeo


did u check the throttle position sensor

Apr 16, 2009 | 1990 Oldsmobile Toronado

1 Answer

I have a 2003 ford focus SE. I am having problems


In my opinion it sounds like a problem from inside the fuel tank but don't quote me on this. With multiple sensors and switches related to fuel movement throughout the vehicle you're truly better off having a professional deal with this, unfortunately it will cost a few dollars.

Mar 27, 2009 | 2003 Ford Focus

1 Answer

Gas Gauge Trouble


yes the most likly cause is that the fuel level sensor is faulty i would put a gas can in the back and go for a drive the a shop and have them check it. but i think if the truck wont take any more fuel it will be a faulty fuel level sensor.

Mar 24, 2009 | 1999 Cadillac DeVille

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