Question about 1994 Buick LeSabre

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Our 94 Buick LaSabre seems to take forever to fill with gas. Can anything be done to make it fill more smoothly?

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The vent tube in the filler neck is probably disconnected, common problem

Posted on May 08, 2010

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Posted on Jan 02, 2017

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1993 buick lasabre v 6 when accelerate the motor flutters and skips. But when u let off gas run smooth but loading going down road what wrong


Could be low fuel pressure from a weak pump or clogged fuel filter. Check fuel pressure with key on, engine off-it should be 40-47 psi.

Feb 21, 2016 | Buick Cars & Trucks

1 Answer

94 buick lasabre cranks but wont start..


Have you tried to bleed off the fuel rail on the engine ,on the end of the fuel rail is like a car tyre valve with a plastic cap ,remove the cap and push the middle bit down to let the air out if any .

Mar 05, 2012 | 1994 Buick LeSabre

1 Answer

My 94 buick lasabre has been running very smoothly until I went in it to start it and it eont turnover. It sounds almost like the fuel is not getting into the engine. I checked the battery cables and that...


if you dont have test equipment then you can determine what is likely wrong by the followint:
spray a little starting fluid or gas in the air intake (without the air filter) ... if it starts and runs for a few seconds then the ignition system and timing belt are likely ok .. you should then check the fuel pump and fuel filter ( a mechanic would test for fuel flow and pressure) .. you could have a blown fuel pump fuse ..if your car starts after spraying the starting fluid and continues to run but very rough .. then you might have water in the gas (more common as weather changes cause condensation). ... if the car doesnt start even with the starting fluid then you likely have an ignition problem .. you can remove an ignitiion wire and test for spark as the engine turns over ... if there is no spark then you could have a bad ignition module, coil or other ignition component.. if your lasabre has lots of miles on it you might check to see if it has a timing belt vs a timig chain .. the bels have a limited life time and can break or skip a tooth ... if it startted and ran a few seconds with the starting fluid then the belt is not the cause.. .

Apr 06, 2010 | 1993 Buick LeSabre

1 Answer

94 Buick LaSabre Hesitation


Clean the sensor wire in the mass air flow sensor. Remove the tamper proof screws to remove the sensor holder and clean off the wire with carb spray or brake cleaner. Do not touch the wire with hands or rags.

Feb 24, 2010 | 1994 Buick LeSabre

1 Answer

94 buick lasabre engine light on obd 2 plug but obd 1 system when i plug obd2 scaner in cant conect with the system


you use obd 1 adaptor for 1994 model.it has 12 terminals the obd 2 has 16 terminals.

Jan 02, 2010 | 1994 Buick LeSabre

2 Answers

Changed spark plugs in 97 buick lasabre and now it cranks and runs, but white smoke coming out. Is that blown head gaskets? Does it have anything to do with the fuel pump my mechanic put on 3 weeks ago???


You need to check the oil with the dipstick (wipe in down a few times) to see if it looks like a chockalate milk shake. If coolent has made its way into the oil you have blown head gasket. The fuel pump which is usually in the gas tank in most gm vehicles would not cause white smoke, if it failed you car would not start because your engine would not get any gas to the injectors

Jun 26, 2009 | 1997 Buick LeSabre

1 Answer

1999 buick lasabre hesitation while driving.


there are really only 2 things that cause this problem most of the time i have seen it, 1st a defective Mass Airflow Sensor, the second is low fuel pressure from a failing pump or obstructed fuel filter do u have a check/service engine soon light on at any time? have u had the system tested for trouble code's? Go to any Kragen or Autozone and ask for a OBD 2 trouble code test, it is free, record any code's that show and post them back here on this same thread.

Mar 16, 2009 | 1999 Buick LeSabre

4 Answers

What parts do i need to buy for a tune up


The first thing is oil and oil filter. Replace the air filter, the belt, the spark plugs and wires. You may want to look into a product like Restore if you have a high mileage engine, and maybe even a transmission conditioner to help smooth out any high mileage concerns there as well.

Aug 06, 2008 | 1993 Buick LeSabre

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