Question about 2000 Buick LeSabre

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2000 BUICK LESABRE, FUEL PUMP IS NOT KICKING IN. RELY IS GOOD. CODE PO203 IS THE ONLY CODE SHOWING. IF I CAN JUST GET THE CAR TO START.

I CHANGED THE FUEL PUMP TO A( NEW ONE) THE FUEL FILTER (IS NEW),THE RELY(IS NEW), I HAD THE PLATE THAT THE COIL PACKS SIT ON CHECKED (IT'S GOOD)

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  • Master
  • 2,101 Answers

That is your injector 3 miss fire. are you getting any spark

Posted on Dec 05, 2012

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6ya6ya
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SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

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Posted on Jan 02, 2017

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  • 398 Answers

SOURCE: my 2000 buick lesabre will idle fine in park or

Is the check engine light on.. If so lets get the codes and go from there. Autozone provide this as a free sevrice. and they also rent the tool . It could be many things mass air flow sensor ,, Throttle body..Good luck!!!

Posted on Nov 04, 2010

messstat
  • 365 Answers

SOURCE: 2000 buick lesabre no fuel system pressure. new

Your PATS security system is faulty...check the BCM up above the glovebox...Seems I've told you this before?

Posted on Jun 27, 2009

  • 14585 Answers

SOURCE: My 2000 buick lesabre

It could be the fuel pump. Sometimes you can hear them engage, but they are not pushing enough fuel pressure to run the car. This can be checked.

Posted on Jun 16, 2011

  • 78 Answers

SOURCE: 1997 buick lesabre new fuel

There is a ground junction under the carpet just inside the driver's door. Pull the trim panel at the bottom of the door jam and pull the carpet back. There is a black plastic connector with several black wires going into it and bolted to the body. This connector get corroded over time and many circuits lose ground. Simply take that connector apart and clean it, or cut the wires off individually and install new ring terminals and install back on the body.
Happens all the time!

Posted on Aug 16, 2011

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1998 buick park avenue ultra changed fuel pump fuses good relay good pump not working does pcm control this function if so is there a test i can perform to check


PCM stands for Pulse Code Modulation. Pulse-code modulation (PCM) is a method used to digitally represent sampled analog signals. It is the standard form for fuel injection computers. A PCM stream is a digital representation of an analog signal, in which the magnitude of the analog signal is sampled regularly at uniform intervals, with each sample being quantized to the nearest value within a range of digital steps. So no, Pulse Code Modulation does not control the fuel pump. The Fuel Injection Computer does control the fuel pump via a relay. Bad connection between the fuel pump relay and the in-tank fuel pump, or a bad fuel pump.

Jan 12, 2012 | 2000 Buick LeSabre

1 Answer

My 2000 buick lesabre want start fuel pump comes on when i turn the key i have spark at the coils.checked all fuses. Changed fuel filter but car still won't start its trying to start but just...


It could be the fuel pump. Sometimes you can hear them engage, but they are not pushing enough fuel pressure to run the car. This can be checked.

Jun 16, 2011 | Buick LeSabre Cars & Trucks

1 Answer

My 2000 buick lesabre runs for 2 min and stopt


CHECK FUEL PRESSURE SOON AS ENGINE SHUT OFF.HOOK UP FUEL PRESSURE GAUGE SEE IF YOU HAVE FUEL PRESSURE.DO THIS WITH IGNITION OFF.IF FUEL PRESSURE 0 THEN YOU KNOW FUEL PUMP FAULTY.IF YOU HAVE 41 - 47 PSI. YOU HAVE IGNITION ELECTRICAL PROBLEM.COULD BE IGNITION MODULE.CODE SCAN CAR FIRST BEFORE BUYING NEW PARTS.

Feb 13, 2011 | 2000 Buick LeSabre

1 Answer

Ses light on code po102 and po171 2000 buck lesabre


Have 2000 Buick Lesabre custom every time car gets up to operating temp. the engine misses going down the road , also let car sit and idle and it shuts off after about 2 minutes , my code reads PO171 system to lean bank 1, changed co2 censor, mass air flow censor, plug wires, and plugs.

May 15, 2010 | 2000 Buick LeSabre

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I have a 2000 buick lesabre will turn over but will not start?


check for fuel pressure first.then check for fire if pump is good.

Jun 11, 2009 | 2000 Buick LeSabre

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2000 buick lesabre ran out of gas


Electric fuel pumps are known for burning out if you run them out of gas, pull the fuel line at the trottle-body, have someone turn the key on and see if you get fuel-flow, you may also check the fuel pump fuse and relay to make sure they are good.

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Car won't start Buick Lesabre 1998


Fuel pump is in tank, but ck the crankshaft sensor front of engine near pully for proper connection

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1 Answer

2000 buick lesabre - motor problems


mcdevito75 here, Have checked the tranny fluid?? if empty you won"t go no where.

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