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Buick engine repair questions and answers

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  • Rick Caires
    Rick Caires - 2006 Buick Rainier - Engine - 4/11/2014
    Would a recently replaced ECM (computer) be related to a fuse box needing replacement only 2 mos. after replacement?
    Buick was not starting at all, then after a couple of hrs would start and run normal, then check engine light came on and 2 days later it wouldn't crank, nothing. Took it in to a shop and they stated it needed to clean the throttle body and replace the ECM for ...
     
    • Pepe
      4/11/2014 Pepe
      Does anything happen when you turn the ignition key to the on position? Do the dashboard lights come on? Check the main relay inside the fuse box.
    • HouseCallAuto
      4/11/2014 HouseCallAuto
      Need more detailed info here, fault code information, this info you may not have so you cannot answer. Also define what "not starting at all" means because it has different interpretations.
  • AutoMD Member
    AutoMD Member - 1993 Buick Century - Engine - 4/11/2014
    Why does car choke when first cranked.
    When first starting in the morning (cold), it makes a choking noise and wants to die. It doesn't do it when warmed up.
     
    • Pepe
      4/11/2014 Pepe
      Are there any codes stored in the ECU? Plug in a scanner and check that first. Could be a faulty sensor, giving incorrect readings.
  • AutoMD Member
    AutoMD Member - 1998 Buick Skylark - Engine - 4/8/2014
    Water leaking out of hose next to heater core
    it is a elbow hose,it look like a over flow value
     
    • HouseCallAuto
      4/8/2014 HouseCallAuto
      There are only two liquids that can come from there. Water condensation in a hot climate while the ac is on which is normal, or if the heater core were to leak you would see coolant come out of there. That would mean a bad heater core.
  • AutoMD Member
    AutoMD Member - 1995 Buick Century - Engine - 4/7/2014
    My speedometer, fuel, temperature gauges no longer work
    I was using cruise control when all of the above needles went to zero
     
    • HouseCallAuto
      4/7/2014 HouseCallAuto
      Replace the instrument cluster. There are several online sources that will repair yours after you ship it to them. Takjes a few days. Removing the cluster is not hard.
  • AutoMD Member
    AutoMD Member - 2008 Buick LaCrosse - Engine - 4/7/2014
    When filling car with gas if car is turned off car will not restart for 15 to 20 minutes.
    if I fill car with gas while car is running car flutters like it is going to die, also does this while driving mainly after I fill with gas. mileage 104000.
     
    • HouseCallAuto
      4/7/2014 HouseCallAuto
      Replace the Evaporative Emissions (EVAP) Canister Purge Solenoid / Valve
  • AutoMD Member
    AutoMD Member - 1995 Buick Century - Engine - 4/7/2014
    Fuel, speedometer, temperature gauges no longer work.
    I was using the cruise control and there was a thump and all needles stuck in one spot and eventually dropped to zero.
     
    • Pepe
      4/7/2014 Pepe
      This may be an ECU communication problem and sometimes it can be fix by disconnecting the negative side of the battery and reconnecting after 5 minutes. Try it and see if it works.
  • Ali
    Ali - 2009 Buick Enclave - Engine - 4/5/2014
    Where is the fuel pump relay location
    no power to fuel pump, no start
     
    • HouseCallAuto
      3/30/2014 HouseCallAuto
      It is in the underhood relay / fuse panel. Small rectangular relay, same as others nearby most likely. Top of panel labels what relay is for what. You have to open the owners manual and index the fuse panel picture that shows all the fuses and relays.
      HouseCallAuto
      4/5/2014 Ali
      I don't have the owner manual and somebody removed the panel label...so I'm not going anywhere with that. If you please can send me a pic or anything I can see to fallow I'll appreciated .thanks
    • HouseCallAuto
      4/5/2014 HouseCallAuto
      It seems it does not have a fuel pump relay but uses a Fuel pressure Control Module which is probably no good but careful with my suggestion, it has to be diagnosed / confirmed.
  • AutoMD Member
    AutoMD Member - 2005 Buick Rendezvous - Engine - 4/5/2014
    Why won't my car start?
    Earlier today I drove my car it was fine everything ran good. I go back to drive it again but this time it didn't crank. Nothing comes on...no lights no kicking over nothing. But the needles on the meters on the dash board are moving up and down when the battery is ...
     
    0 answer
  • AutoMD Member
    AutoMD Member - 1992 Buick LeSabre - Engine - 4/3/2014
    Vehicle wont idle down after driving
    my brother got into an accident and when you start from cold it runs fine when 15 minutes to 30 minutes of driving the engine wont idle down causing burned transmission fluid what sensor is bad?
     
    • Pepe
      4/3/2014 Pepe
      Check your throttle body, there's a possibility that there is dirt and gum accumulation around the throttle plate, if that doesn't work check the Throttle Position Sensor, test the resistance, it should increase and decrease as you open and close the throttle plate. If there is an erratic resistance change, no change, or no resistance at all, replace the TPS.
  • AutoMD Member
    AutoMD Member - 2006 Buick Rendezvous - Engine - 4/2/2014
    Engine has intermittent bucking between 40 to 60 MPH
    Bucking can happen any time but most pronounced between 40 to 60 MPH (1400 to 1900 RPM) mostly if I'm going up a hill but also with no hills, it has even happened when stopped for a light (this is very very seldom). This happens so fast and for such a short ...
     
    • HouseCallAuto
      4/2/2014 HouseCallAuto
      You should own a good quality code reader and leave it hooked up to the diagnostic connector for a week or so. It don't take up much space. It may throw a code soon. Don't kill yourself tryin to find this ghost yet. The warmer weather is coming and this problem will surface soon. Get a code reader though, cause if you are going to try to get through this yourself without a repair shop intervention you absolutely must have a code reader, and if you can have one that reads all the data, that is all the better (they cost more). By the way, the SES light need not be illuminated for a code to be stored right now..
      HouseCallAuto
      5/14/2014 AutoMD Member
      Can you suggest 'a good' code reader please?
      HouseCallAuto
      5/14/2014 AutoMD Member
      I'd be willing to spend more for a quality unit if it might get me closer to finding the problem and helping me resolve it. The dealer (Buick) is stumped and wants to start 'replacing parts' until the issue is resolved. $$$$
  • AutoMD Member
    AutoMD Member - 2006 Buick Rendezvous - Engine - 4/2/2014
    Engine has intermittent bucking between 40 to 60 MPH
    Bucking can happen any time but most pronounced between 40 to 60 MPH (1400 to 1900 RPM) mostly if I'm going up a hill but also with no hills, it has even happened when stopped for a light (this is very very seldom). This happens so fast and for such a short ...
     
    0 answer
  • AutoMD Member
    AutoMD Member - 2006 Buick Rendezvous - Engine - 4/2/2014
    Engine has intermittent bucking between 40 to 60 MPH
    Bucking can happen any time but most pronounced between 40 to 60 MPH (1400 to 1900 RPM) mostly if I'm going up a hill but also with no hills, it has even happened when stopped for a light (this is very very seldom). This happens so fast and for such a short ...
     
    0 answer
  • GT n ok
    GT n ok - 1999 Buick Riviera - Engine - 3/31/2014
    Fuel pump getting louder
    supercharged .pump has always been quiet
     
    • Pepe
      3/31/2014 Pepe
      Is your car acting up? Do you mean while running or just start up? need more info...
    • HouseCallAuto
      3/31/2014 HouseCallAuto
      Noise coming from the supercharger indicates that the unit needs to be replaced before the engine ingests metal parts of the unit should it completely fail. I will assume that you have narrowed the noise down and are certain that it is indeed the supercharger that the nopise is originating from and not something below it like a water pump or other pulley bearing?
  • AutoMD Member
    AutoMD Member - 2002 Buick Park Avenue - Engine - 3/30/2014
    Looking for belt pulley diagram for 2002 buick park avenue
    I need to replace belt
  • AutoMD Member
    AutoMD Member - 2002 Buick Park Avenue - Engine - 3/30/2014
    Looking for belt pulley diagram for 2002 buick park avenue
    I need to replace belt
     
    0 answer
 
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