Need Help?

1997 Buick LeSabre Custom 4dr Sedan

1997 Buick LeSabre
Trim Info:
Front Wheel Drive, 4 Dr Sdn Custom, Large Car
19 mpg city / 30 mpg hwy
Other Trims
Do you own this car?
Estimated Mileage
 Miles
Enter current mileage for most
accurate info about this vehicle


Track Your Service Records
Get Recall Alerts
Get Updated Value Estimates on Your Car.

back to question list

Ask the Community

Ask Our Auto Mechanics


October 20, 2012, 4:58 pm

Joan F
 

Question: What causes the Service Engine light soon to flash on and off?

While driving my Service Engine light flashes on and off. Why?


October 23, 2012, 9:09 pm

Richard W
Expert Mechanic

That means you have a missfire that it hurting the cat. You need to get it fixed. If you let it go you will need a new cat as well as a tune up.


0/0 users found this helpful.

October 25, 2012, 5:14 pm

Joan F
 

What kind of missfire you talking about?


Joan


0/0 users found this helpful.

October 25, 2012, 5:17 pm

Joan F
 

The light comes on and stay on for awhile, then goes off for a while then comes back on.


0/0 users found this helpful.

October 25, 2012, 11:40 pm

Richard W
Expert Mechanic

I am talking about a engine missfire. Like spark plus, spark plus wires, injector or bad compression in a cylinder. Have that stuff checed out. One of them is going to be your problem.


0/0 users found this helpful.

Ask our panel of certified auto mechanics a question. We pay for their advice so you don't have to



My Auto Score

See the free AutoCheck score

Meet The Experts
Kim Perrin
Kim Perrin is our resident mechanic here at DriverSide. Kim worked as…
Tyler Orr
Tyler Orr is an expert in German and Japanese cars and has been a mechanic …
Elizabeth Kriesten
Elizabeth Kriesten worked as an automotive technician for several years at Dodge…
Tips on Servicing

Car Brakes: How Do You Know When to Change Them?

By Zach Bowman For those who suffer a daily commute through heavy traffic, your vehicle's braking system can bring thousands of pounds of metal, plastic and empty Starbucks cups to a stop hundreds of times before you get to work. It goes without saying that these pieces wear out, but they do so slowly, meaning you may not notice they need attention until ...

Read more…