In two previous articles I outlined the problems and solutions on a 2005 Buick Lacrosse. Symptom and Solution. Now for the root cause of this failure. In every case that I found, similar to the vehicle I was working on was that the condition was preceded by a battery event. Most notably loose and corroded … Continue reading “2005 Buick Lacrosse, Repeated ECM Failures”
This repair information is an addition to a previously published article. To see that article please click here. The code U1300 turned out to be the most relevant code but SI was severely lacking in background information. SI states that the code U1300 can only be seen as a history code. The U1300 was stored … Continue reading “2005 Buick Lacrosse, U1300 Follow Up Testing”
This 2005 Buick Lacrosse came in with the complaint that the instrument cluster gauges would not work and the T/C , traction control light stayed on. . The customer stated that the air conditioner would have to be turned off and then back on before it would get cold. Through a little bit of research … Continue reading “2005 Buick Lacrosse, Gauges Do Not Work”
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”
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”
This 2002 Buick Lesabre came in with the complaint that it was running real bad and service engine soon light was on. It ran so bad that the customer had it towed in rather than drive it in. A quick check of the codes and a P0205 and a P0443 were stored. The P0205 was … Continue reading “2002 Buick Lesabre, P0205 & P0443”