I have a Buick Lacrosse CXL and I took one of my battery cables off and put back on. Then when I went to Emissions Testing they asked if I had had some work done I told them no. He said my computer needed to be reset.?

Asked by Apr 16, 2015 at 10:29 AM about the 2010 Buick LaCrosse CXL

Question type: Maintenance & Repair

7 Answers

98,395

Most likely the ECM had not finished the relearn protocol, when you disconnects the battery the ECM lost all history and went back to factory settings. It usually takes about 20 miles of combined driving to relearn the ECM on today's vehicles.

2 of 2 people found this helpful.

I'm going today to see if I will pass the Emission's. No charge for it but if it does not pass then I'll have to pay another 9 bucks the next time i go through i think this emission's thing is a bunch of bull! My husband has had his engine light on forever and had two different sensors replaced and it still came back on please!!!!!!

98,395

Your right it is just another way to take money from you for something that is no longer needed. They tried to get it going in my state but only got it in a few select areas, the rest is clear, so we all kinds of hot rods as daily drivers and some heavily modified big blocks running around, and we also have some stations that pump non E10 fuel.

2 of 2 people found this helpful.

tennisshoes I highly respect you both as a person and your automotive knowledge, which is vast and much more than mine. But growing up in the LA basin, were days, probably 200 days of the year in the 60's and 70's that your eyes stung and you could not see the mountains 20 miles away. Coming home over the I15 pass you see a brown/gray layer of crap in the air. Now, from the same old family home those mountains are clear. Since 2000, California's population grows to 34 million with 23.4 million registered vehicles in the state. Annual vehicle miles traveled (VMT) reaches 280 billion miles. Cumulative California vehicle emissions for nitrogen oxides and hydrocarbons are about 1.2 million tons per year. This is 200,000 tons/year less than 1990 despite an increase in VMT of 40 billion miles per year. The emissions program worked.

1 of 1 people found this helpful.
98,395

Your right it worked back then when it was needed but now with all of the advances in engine controls all the cars sold to the public have to meet an emissions standard before they even hit the market. now days the car will tell you something is wrong with a check engine light, some of the newer vehicles even go into a low power mode to maintain low emissions if there is a failure until you get it fixed. Have you noticed that your hot rod activity is almost non existent, even your car shows have restrictions on how much they can run, unless they have been modified to run with CARB approved emissions.

2 of 2 people found this helpful.

Point Taken. Fact is I lived in Pomona, about 1½ miles from the dragstrip. Now they only hold a single event a year, Winternationals people complain about the noise -- which is music to me -- and the whining and sniveling about the smoke from tires! When I go there you can't get me out of the NHRA museum. Engines from Don Garlits' cars and Prudhomme....Force...anyway, like I say point taken, and as for gas, stuck with E10. Nothing else available. Peace bro

1 of 1 people found this helpful.
98,395

Bummer about the fuel, I can get non E10 up here for my older rigs and mowers and my chainsaw, farmers really use it up around spring so price goes up about now but it is still cheaper than buying the the updates.

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