2003 cadillac deville gas gauge goes up and down. Got it a few miles to the mechanic.
2003 cadillac deville gas gauge goes up and down Yesterday, I let my 2003 Cadillac Deville get to critical E on the fuel tank. Could it be a bad thermostat? The fuel level sender is mounted on the fuel pump assembly. Or go home: View attachment 642686 And it had come with Vogue On Vogue when I got it. 88,000 miles. Consider the Apr 5, 2012 · I have a 2003 Deville - My car kept running hot, check it - add some coolant, fine for a little bit, run hot, at first I thought it was the gauge, then I thought there was air in the line(s), then I thought I was crazy. It goes down with the fuel level and then goes back up or shows the tank to be full when in fact it is almost empty. And there's little that's more pleasing than a gauge working correctly again. Oct 15, 2009 · Gas gauge seems to be erratic on my 2003 deville. May 17, 2011 · So I just popped the hood and let it cool down and replaced it right there. To make sense of this problem, you must first understand the workings of a fuel gauge. Oct 20, 2003 · I have a 2000 Deville Base Sedan and have recently experienced faulty readings from the fuel gage. I have a nice 1985 Deville. now gauge just sits at about 1/2 tank, even though I just filled it up. Any fix for this short of replacing the sending unit which I assume is part of the pump assembly. 0 because it says I used more gas when I really haven't. You will need to repair or replace the gauge cluster. HelloCustomer. Malfunctioning level sender can show that the fuel is full when it is not or vice versa. The amount of fuel shown to have been used on the display seems to be accurate. 2. Apr 15, 2007 · OK guys this is the update I purchased the car about a week ago and the owner told me that the car has a full tank, I been driving the car for two days and notes that the fuel gauge does not go down so I drop the gas tank down and I notes that the middle fuel line on the sending unit was lose from the sending unit, so I went too two auto parts and one has the sending unit so I came up with the Aug 9, 2016 · 2003 cadillac deville overheating I have a cadillac deville 2003. Jul 3, 2005 · 1989 Cadillac Sedan Deville power window problem & Fuel gauge I just bought A 1989 Cadillac Sedan Deville and have a few problems I hope you can help me with. Show Less Full Forum Listing Apr 11, 2014 · I have a 2003 CTS 3. I get normal readings if the tank is over half full. Changed the water pump and thermostat just drove 20 miles no problems. BEWARE OF SCAMMERS. It will need to be replaced. one day I drove about 5 miles and warning lights said "Shut down A/C, IDLE car" I pulled over shut it off, let it cool down. This should be diagnosed by checking circuit from the fuel sender. Jun 19, 2011 · Fuel gauge stopped working and codes P0463 & P0461 are showing up. The only time my gauge reads higher than 12 is while sitting in heavy traffic, but it never even goes more than a quarter way to the next line before it goes back down. Hello hoghbowl, if the gauge moves back and forth then the problem is the fuel gauge sensor. Anyone trying to get your money should be checked out BEFORE you Sep 15, 2010 · Discover solutions for Cadillac DeVille gas gauge problems including fuel level sensor issues. If this reading is good remove the instrument panel cluster & send to an AC Delco repair facility for repair. In Idle or Drive you will see the RPMs fluctuate indicating a possible bad Plenum. If you have the work done at the dealer, the cost will be approximately $450. Mar 8, 2020 · the sending unit - part of the fuel pump assembly - is probably worn out - BUT - before buying a new fuel pump - you can TRY a 20oz can of TECHRON - a fuel additive designed to clean the fuel system - SOME have had success in cleaning the coils of the fuel sending unit with one can - May 5, 2022 · Cadillac Forums is the perfect place to go to talk about your favorite Caddys including the ATS, CTS, SRX, Escalade, LYRIQ, Vistiq, concept and future Cadillac models. Customer: I have a 2003 cadillac deville , didn't drive it or crank it for two weeks, when i cranked it ,it ran perfect but the gas guage was stuck on 1/2 full and i had almost a full tank of gas. LYRIQ, Vistiq, concept and future Cadillac models. And then my Miles per gallon reading will go down too from 22. Funny thing is if I delete the code with the scanner or disconnect the battery, the gauge will work for a few seconds before dying on me again. nothing in an internal combustion engine is static, and especially with an electric fan cooling setup, temperatures hop all over the place. FWD DeVille 1985-2005, Fleetwood, and 60 Special. The first is the power windows are all very slow and weak. Hoping you can help me. Dec 12, 2005 · Hi Folks. First time seeing the little orange light again (before running dry) is both unnerving and kinda pleasant. Jan 7, 2014 · Hi. Aug 5, 2011 · I have a 2001 Cadillac Deville Base model. I am pretty certain it is pooping out. Nov 4, 2008 · A modern car driver would panic if they could actually observe the oil pressure cycling from 15 psi to 60 psi, up and down, in the course of normal everyday driving. Is there some part that may fix this problem. On a scale of 0-250 ohms,the circuit should test near 200 when the level is full & down around 45 ohms at empty. 155K miles 4. Jul 28, 2023 · I'm on my 3rd fuel pump-slash-sender replacement. I was first experiencing a fluctuating fuel gauge when it reached below a half tank. It consists of a float and a resistor panel. Apr 27, 2010 · Since the gauge is not just going straight to empty and staying there, the problem is in the gauge itself. Your problem sounds like a possible faulty fuel sender or instrument panel cluster. Cadillac Forums is the perfect place to go to talk about your favorite Caddys including the ATS, CTS, SRX, Escalade Sep 15, 2009 · Fuel gauge goes up and down now at will. it will not move off of 1/2 tank. That gets translated into the fuel level at the gauge. This sensor is located in the tank and commonly fails due to deposits from the way that gas is made today. 2 gallons used without driving it. ( thank god it was in stock!) I luckily do not have anymore overheating problems. Aug 1, 2012 · My gas guage has started acting up. That is the symptom I had when I replaced my Plenum. Same for a temperature or vacuum gauge. 0 or smt to 20. Got it a few miles to the mechanic. what do you think is the cause Mechanic . You can see this on your DIC when you display the RPMs. I got off work today and went to start my car , all the dash lights came up like normal with key in on position, turn key to start and nothing at all, all dash lights went out and the gas gage went to empty. com. could this be caused by a bad module or fuse or do you think it needs a new fuel pump, i tried shaking the car, didn't work. 6L Northstar V8. Dec 10, 2024 · 1989 DeVille HVAC and fuel gauge problems. 2003-2007 FWD DeVille 1985 Jul 9, 2016 · 2003 Cadillac Deville The Plenum symptom is typically a fluctuation in RPMs from low to high and back from high to low. However the miles to empty fluxuates with the gauge. Reads full or three quarters most of the time no matter what the level. The gas gauge is useless to you unless you can trust it to provide accurate readings. You can try running a bottle of Chevron Techron through the tank, but more than likely you'll need a new sending unit. . It continues to do this until I refill the tank. When I have used about seven of the sixteen gallons of gas, the gage goes very quickly from nine gallons left in the tank to 8,7,6 to E and the car stalls. Jul 31, 2014 · Cadillac Vehicle Discussion. Last summer I dropped the gas tank, cleaned it, sealed it and put back into the car. I used Tech Ron two tanks in a row with no luck. When the tank gets below half full the gage goes up and down from a reading of full to almost empty. Learn about repair costs and owner experiences on RepairPal. The tank is ok now but my gas gauge is crazy. It will take abour 3-5 seconds. With the fuel level the float will go up or down and contact different part of the resistor. Experience: ASE MASTER CERTIFIED, AA DEGREE AUTO/DIESEL TECH. I made it to a gas station, filled up, and continued to work - about 10 miles down the road wi … read more May 28, 2009 · The fuel gauge in my 2003 Seville works fine from FULL to 1/4. Jan 8, 2012 · In order to reset it to 100% you need to hold the reset button until it becomes 100%. No coolant leak but about a week ago, I had a small coolant leak which I couldn't determine where it was coming from. Hey guys, go 255/50-18. I rented a pressure tester at Autozone and let it sit overnight, pushed it to 18/19 lbs stayed for 22 hours! Apr 19, 2009 · Re: 2001 cadillac deville fuel gauge problem If that doesn't work then the part is a 30 dollar part (although GM will sell you one for about 100 bucks) and a 1 hr job to pull the fuel pump on a 2000 and later Deville or Seville to replace the fuel level sender. Hook up the gauge and turn the keu on, make sure you have no leak at the connection point of the fuel pressure test gauge, then shut the engine down, watch the gauge, the fuel fuel pressure should not drop more than about 3-5 PSI, if it goes down more than that you have a defective fuel pump. If the Mar 18, 2016 · 2010 Cadillac DTS Premium Collection Odometer 77,000 My coolant temp gauge just went up to the 3/4 mark as I was idle at a drive thru. Why Does My Gas Gauge Go Up And Down? The gas gauge goes up and down because of the issue with a defective fuel sensor and float arm, loose & damaged wiring. The second is the fuel gauge which is part of the fuel economy area. Customer: replaced fuel pump and sending unit in 2003 cadillac deville dts to fix issue with gas gauge not registering properly. Check Fuel Gauge appears when you have the VF display off except speedo and you are low on fuel. The car had 150k miles never had a pump so i replaced the pump which of course has a new sending unit, so i figured that would fix the problem. Got back on the highway and it went down to about the 1/2 way mark. Then it goes --- up and down, up to full, slowly down - Answered by a verified Cadillac Mechanic When I shut the car off and come about to drive it later and check to see how much gas I used right when I start it up, it'll say 3. jkpwk gtxe ftshrh sizbjuht vrlqon mewop foxx fxnowff vgdw mfzymv