When my car goes up a slight incline it begins sputtering. It also only does it around 60mph. It's a 2009 Buick Enclave. I thought maybe I got bad gas.

10

Asked by Jun 08, 2015 at 05:18 PM about the 2009 Buick Enclave CX FWD

Question type: Maintenance & Repair

22 Answers

105,435

Could be a fuel delivery problem, have the codes checked, see if there is a lean code or injector codes in the memory, then get the fuel pressure and flow tested.

1 of 1 people found this helpful.
70,215

Agree with TS,and all so check your fuel filter.

20,420

What octane gas do you use because some of these vehicles to day needs the high or middle grade gas to run right. It will still run with the low octane gas but have poor performance. If you do use the low octane gas put some octane booster in gas tank or fuel injector cleaner.

10

I just bought the car Friday. We went on a trip and it ran great. Stopped at a ha action and got the cheapest gas (87). I just ran all that out

1 of 1 people found this helpful.
10

I just ran almost all of it out, put fuel injector cleaner in, and filled up with the highest octane gas. I'm assuming it may take a tank to get it all cleaned out?? Literally I just put new gas in.

10

⬆️⬆️ That should say stopped at a gas station

20,420

Let me know how it works ?

20,420

You do not have to use the middle or high octane gas all the time just switch it up sometimes. Just do not fill up with low octane but will not hurt if just putting in $ 20 -30 sometimes.

10

ok thanks. I'm praying it was the gas and it will be ok. I can't afford to repair a car I just bought. We will see.

10

The car ran a little better today. It did not sputter nearly as much as the other day. I haven't even gotten down to a 1/2 tank of the new gas. Maybe by the time I finish this tank it will be cleaned out??

20,420

What brand of fuel injection cleaner did you use ? I have found that Lucas fuel injector cleaner is the best.

105,435

Put in a can of SeaFoam in the fuel tank, it will help clean it out faster and does wonders for your injectors.

20,420

Did you get the high octane gas at the same place you got the low octane gas ?

20,420

Sorry just read were your made a funny about were you got the low octane gas.

20,420

Hey tennisshoes never tried that one before will give it a try and tell you what I think.

Best Answer Mark helpful
10

I used the Lucas brand. I will try to find the sea foam. Where do I get that? Walmart?

105,435

I have never seen it at WalMart, I get mine at CarQuest.

20,420

Yes they should they should have it .

20,420

Or try any parts store in your area.

10

K thanks

10

I got the seafoam and put it in before this tank of gas. For the first quarter of a tank it never did the sputter. It's done it a few times today. Still it's not as much as it was doing it before the sea foam. Just wanted to give you an update.

10

So my check engine light came on and it's my timing chain. I have to bring the car to the dealership Monday. I believe it is covered under the warranty so hopefully I don't have anymore issues. Guess my problem wasn't a gas problem.

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