Question about 2003 Buick Rendezvous

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My 2003 buick rendevous when it decides not to start you have to get under the car unplug the wiring to the pump and usually it cranks I changed the pump and the wiring horness still does it it may run fine for a day a week no way of noing

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  • Buick Master
  • 2,485 Answers

Check if it has a fuel pump relay,try replacing it.

Posted on Mar 31, 2015

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  • Buick Master
  • 2,963 Answers

Could be bad fuel pump or the connections. A fuel pump relay that translates the ECU (brain) to when fuel is needed from the pump. The ECU receives many sensor inputs to decide how much fuel to deliver. The sensors are bad or their connections
are corroded. My experience is that connections cleaned and scraped to bright metal bring them back to new conditions. This may also be the Fuel pump connection situation even though, the fuel pump is new? Have the ECU error codes read at your favorite auto parts store. That may help diagnose an better than my guesses. By the way we are all volunteers, so please give us a chance to respond.

Posted on Mar 28, 2015

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Posted on Jan 02, 2017

Scorpedo
  • 111 Answers

SOURCE: car cranks, but hesitates to start after sitting for over 24hrs

Tune ups are always a good place to start , including air, fuel, plugs and for the extra 5 bucks a PCV valve. If these havn't been done in the last year at least might want to start there. If that doesnt make any difference please post again and we will look at something else!

Posted on Dec 15, 2008

  • 1 Answer

SOURCE: location of air ride pump

The airpump is located right above the exhaust. Its very easy to have it removed. I have had many problems with the air ride systems. Check to make sure the air lines werent rubbing against the tires...the compressor can be picked up used at many salvage yards for 50 bucks, but if te compressor is lifting the car, then there could be other issues. 

Posted on Jan 19, 2009

  • 5 Answers

SOURCE: car starts and runs fine then dies

ya could be a bad filter. or maybe your injectors are getting bad.

Posted on Mar 18, 2009

honeymokey
  • 3113 Answers

SOURCE: Why would a 1991 buick park avenue stop running while driving?

Look at the ecm and if it has the number 1228253 on it replace it. These units were upgraded by gm and will give a cutting off problem, use 16198264 or newest number. Non delco or aftermarket ecms are problems and may be a rebuilt 1228253.

Posted on Apr 09, 2009

maygemini
  • 147 Answers

SOURCE: service engine soon light on in 2004 buick

oh thats the change oil light expect it every 3500 to 4500 miles they glow.. you can usually reset it by holding down the trip button with the car off and then turn the key to the II position where everything lights up
so read me >>>>>
Buick Rainier 2004-06, Buick Rendezvous 2002-05 w/o (DIC) Driver Information Center
Turn the ignition to ON without starting the engine. Fully press and release the accelerator pedal three time in five seconds. If the CHANGE OIL SOON’ indicator flashes two times, the system is resetting. Turn the key to OFF, then start the vehicle. If the CHANGE OIL SOON indicator comes on and stays on for five seconds, repeat the procedure.
Buick Rainier 2004-05 wI (DIC) Driver Information Center
The DIC display is located on the instrument panel cluster above the steering wheel. The DIG buttons are located on the steering wheel. Press button with the gas pump symbol to display engine oil life. Press button with the arrow symbol to reset engine oil life display.
Buick Rendezvous 2002-06 wI (DIC) Driver Information Center
To reset Service Reminder Indicator, turn ignition on with engine not running. Press the MODE button until DIC reads oil life left hold SET to reset. Press and hold the SET button until 100% is displayed. You will hear three chimes and the change oil message will go out. If the CHANGE ENGINE OIL’ message comes back on when the vehicle is started, the engine oil life system has not reset. Repeat the procedure.

Posted on May 08, 2009

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