2005 Buick Century, Hard Crank No Run Condition

This 2005 Buick Century came in with the complaint that sometimes the engine would not start and using the turn signals would cause the engine to stall. It belongs to a local used car lot and they did not tell me all of this. Had to figure it out on my own over several days. … Continue reading “2005 Buick Century, Hard Crank No Run Condition”

2004 Buick Century, Battery Goes Dead

This 2004 Buick Century came in with the complaint that the battery would go dead overnight. I disconnected the battery negative cable and connected my trusty Fluke multimeter in series between the negative battery post and a good chassis ground. I had already set the meter up to read DC amps. One lead was in … Continue reading “2004 Buick Century, Battery Goes Dead”

2002 Buick Century, Idles High

This 2002 Buick Century came in with the complaint that the idle speed was higher than it was supposed to be and sometimes it was very high. I looked the car over and saw that a new IAC valve and and new TPS had already been installed on the engine. I did a quick check … Continue reading “2002 Buick Century, Idles High”

2002 Buick Century Power Windows Do Not Work

This 2002 Buick Century came in with the complaint that all of the power windows do not work. I decided the best place to start was the master power window switch. I used a small screwdriver to depress the locking tab and lifted the front edge of the switch up. I checked for power supply … Continue reading “2002 Buick Century Power Windows Do Not Work”

2000 Buick Century BCM Will Not Communicate

After repairing a poor connection at the DLC on this 2000 Buick Century, click here to see , I moved on to the bigger problem of no communication with the BCM and no crank condition. I went back to the splice pack under the driver’s side of the dash and located the purple wire, terminal … Continue reading “2000 Buick Century BCM Will Not Communicate”

2000 Buick Century, No Communication With Any Module

This 2000 Buick Century was towed in with a no crank, no run condition.  The first course of action is to check codes and data. Only one problem the scan tool will not communicate with the PCM or any other module on the car. Well somewhere along the way someone else tried to do some … Continue reading “2000 Buick Century, No Communication With Any Module”

2002 Buick Century Left Rear Power Window Regulator Replacement

This 2002 Buick Century came in for a left rear power window regulator replacement. The customer was driving along and the window fell down. Pretty much a no brainer, the cable guides, on the power window regulator assembly broke. The first step would be to remove the trim panel that covers the two attaching screws. … Continue reading “2002 Buick Century Left Rear Power Window Regulator Replacement”

2002 Buick Century No Low Blower Speeds

This 2002 Buick Century came in with the complaint that the lower blower speeds do not work. This Century has manual air conditioning controls. I have been down this road many times and it is just a faulty blower resistor. I will give actual testing information later, but for now I am just going to … Continue reading “2002 Buick Century No Low Blower Speeds”

2001 Buick Century, No Crank Condition

This 2001 Buick Century came in with the complaint that the starter would not work or if it did, it would make a scrapping sound. The customer stated that the condition would go away if the hazard lights were switched on. I had a very hard time believing this but I had the customer show … Continue reading “2001 Buick Century, No Crank Condition”

2003 Buick Regal, P0128

This 2003 Buick Regal came in with a service engine soon light on and a code P0128 stored. The code means that the engine coolant temperature is below the thermostat regulating temperature. In other words the thermostat is sticking open or opening to soon to satisfy the computer. Thankfully this car has the 3.8 liter … Continue reading “2003 Buick Regal, P0128”