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Soon as I start car sometimes all lights flicker and sometimes while Im driving lights flicker and car shuts off starts back up car is 99 buick lesabre

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  • 12 Answers

Check all your ground wires. There will be several wires connecting
ultimately to the negative side of the battery. Usually at least 2
wires are connecting the body of the vehicle to the negative side
of the battery. Generally, the lights are grounded to the body which
is grounded either to the engine block or directly to the battery.

Posted on Jan 01, 2013

6 Suggested Answers

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Posted on Jan 02, 2017

  • 373 Answers

SOURCE: 94 buick lesabre security light flashing

Ok..
Your vehicle is equipaded with Factory Anti Theft System.
Called Pass key II . If the mechanic found the Code
Pass key error....
Is there a few test to Do. to know exactly the problem.

1--- check if the Old and New key Are equipaded with a Little thing (Chip or Ressistence) in the center of the key.
If not you need a key with the chip. and the correct Ohms.

2. If you just replace the battery,
Full charge the battery Attemp to start the vehicle and leave the key in run position for exactly 11 Minutes, Them turn the key to off position for 30 seconds and try to start, if the vehicle start . you did the prosses to program the key.

If the vehicle not start.
Some times this procedure will require Up to 3 times to setup.
Or more with intervals of 30 minutes,, But if not start.
Remove the lower cover of the steering column. and the the Connector orange with 2 white wires shielded with a orange cover.
NOTE.. Be sure to not Confuse with the Yellow wires and connector, They are for the AIR BAG. Dont use a Convencinal Test light on any of the Mentionated wires....

After you find the wire and saw everything ok.

3-- You will need to remove the Ignition Lock cylinder.
The ignition lock cylinder is use 2 white wires shielded with orange cover, On 90% of the cases one of the wires come broken. and the ECM loss the comunication with the Chip incrusted in the key..

Posted on Dec 27, 2008

  • 6982 Answers

SOURCE: 1995 Buick Lesabre: security blinks and car will not start

If the starter is turning the engine, try re-setting the security system (leave key on till light stops blinking.) If the starter does not turn, you may have some success in re-setting system, if not you need to check battery voltage and voltages in starter system till you find the problem...can be something as simple as a bad connection at the battery. If you need help with further testing, just ask.

Posted on Jun 08, 2009

messstat
  • 365 Answers

SOURCE: I have a 2000 buick lesabre. The fix engine soon

It NEVER was the camshaft sensor! Unless, you've removed the engine lately, which I doubt.
RUN to Advance Auto Parts and buy a can of "SeaFoam" and add to your gas tank per instructions...drive at least 100 miles and the problem should go away...IF it doesn't you'll have to replace the O2 sensors in the exhaust system...Any good mechanic should be able to do this for much less $$ than the dealership DO NOT go to the dealer for repairs!
Good Luck

Posted on Jun 22, 2009

  • 22 Answers

SOURCE: Have a 2003 VW Jetta.. Automatic.. lights on

check the ground wires under the battery tray
you will need to take out the battery and hold down tray.

Posted on Sep 12, 2009

  • 1 Answer

SOURCE: My 2000 Buick lesabre cuts off while driving

Your fuel pump might be going bad. The reason why it cuts off is the fuel pump is pumping just enough to run it for a x amount of time that's why it shuts off but while it's off the pump is pumping fuel into the lines. If it's not the fuel pump then it might be your injectors.

Posted on Oct 05, 2009

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