Question about 1999 Cadillac DeVille

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1999 cadillac deville won't start_after running out of gas the battery is good and I filled up tank with 5 gallons of gas_the car cranks but gasoline is not going up the injectors and into the engine_i checked this also ? please help>>

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You have to get it running a little to get the fuel flowing again. Take off the air horn, intake, and squirt some fuel in there towards the throttle, Click it over and see what happens, If it won't spark, you might have to do the same thing with a couple spark plugs. Anything to get it going, then the fuel pump will kick in and the engine's vacuum will take over. Hope this helps.

Posted on Jul 11, 2010

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Fuel filter or fuel pump

Posted on Jul 11, 2010

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Posted on Jan 02, 2017

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1999 Cadillac DeVille fuel system


The fuel pump is in the tank and it could hav a hole in the hose or the steel line running to it

Jul 29, 2012 | 1999 Cadillac DeVille

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After getting gasoline, it increases wrong mileage with camry 2003


One tank of gas is not enough to compare mileage. Or are you saying the computer's readout of mpg estimate is showing less? Try a tank or two of premium and see if that helps. Keep track of gas mileage. Driving techniques have a lot to do with gas mileage, as does long trips vs. short trips, highway cruising vs. city driving. For best mileage, do regular maintenance and keep the car in top running condition-good spark plugs and clean filters and clean oil ! Attend to minor problems before they escalate.
If you want to check actual miles per gallon, start with a full tank. Write the odometer reading down, and go. Everytime you put gas in, write down the amount. When you are close to 1,000 miles from the time you started, go fill the tank and include that amount of gas to your previous list. Now add up all the gas used and divide it into the miles to get miles per gallon. (976 miles/31.8 gallons = 30.69 mpg ) . Only one tank will skew your numbers, might be off cause the tank was filled more to the top than the previous fill-up. About a thousand miles of driving will give you a very accurate figure of miles per gallon for your car.

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The 1990 XJ6 has been sitting for the last 2 years and now won't start. The engine turns over fine. The dash gages don't seem to operate. I filled the gas tank with 5 gallons of premium gas. HELP!!!


I wish I could give you an instant fix, but I can't. Do you have spark? If so then its either your fuel pump or the CPS, crank position sensor. If no spark then it could be your coil.

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Almost ran out of gas. put 5 gallons in tank.


worst thing for fuel pumps is to run dry. The pressure will need to be confirmed. If none ,you overheated the pump and it will need to be replaces.

Dec 10, 2009 | 1998 Cadillac DeVille

1 Answer

Ran out of gas car starting putting now when i crank it up goes dead


never let fuel tank run dry.because it causes to fuel pump get hot not work.your gasoline keep fuel pump cool.like people has wells with submergeable pumps.if you take submergerable pump out of a well and run it.it will get hot stop working.water keeps it cool.

Jun 07, 2009 | 1994 Cadillac DeVille

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Ranh out gas now car put when started and goes dead after seconds


Fuel injection doesn't like to be run out of gas. You can get all the sediment and junk in the bottom of the gas tank, sucked up into the fuel strainer. (Sock)

This will make the 'sock' collapse. Think of the fuel strainer 'sock', as a very fine filter made of panty hose material. (It's even finer than that) Now fill it up with dirt, water, and additives that gasoline has in it.

Solution? It's time for a pro to look into it. Fuel injection systems use pressure of 38 to 44 pounds per square inch. In comparison a carburated system uses pressure of 5 to 7 pounds.
Dealing with this can be dangerous. Many people have been accidentally burned. (Some hospitalized for skin grafts, some shipped to the morgue)

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1999 cadillac deville hard starting after its drove


TPS throttle position sensor needs cleaning or replacment. or if you run the tank low on fuel you might be needing to replace fuel pump and filter.

May 15, 2009 | 1999 Cadillac DeVille

3 Answers

Stall upon running out of gas but won't start up again with gas


Remove the air cleaner and pour about a quarter cup of gasoline into the carburetor or throttle body. Do not stand near the engine when cranking it -- fire/small explosion hazard.

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Fuel problem 1998 cadillac deville


actually it is a theft system problem. the car is acting as if it were stolen and was ran until it was out of gas. the system just needs to be cleared and the car will start right up.

Jan 19, 2009 | 1998 Cadillac DeVille

2 Answers

1999 Cadillac Deville- Won't start!


First, obviously, put gas back in the tank.

Check the fuel pump fuse, (20 amp yellow fuse in the lower left corner of the group). If that is not blown, turn the key on and pound hard on the bottom of the fuel tank. The fuel lubricates the fuel pump, once it runs dry, the pump can lock up. Once the pump is immersed in fuel again, a sharp jolt will unstick it and let it pump up to pressure again. If it locks up for too long, the pump will burn out and need replaced.

We found this out by accident, got mad and pounded on the bottom of the tank and the pump jumped to life.

Dec 13, 2008 | 1999 Cadillac DeVille

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