How to avoid unstable engine ?

Asked by Aug 14, 2015 at 12:24 PM about the 2009 Hyundai Santa Fe

Question type: Maintenance & Repair

During when I was driving, The fuel tank near to be empty and the alarm lump was
lighting ,So, I filled the the tank by some gasoline, after that when I start driving the
engine sound has changed , I don't know what can I do ? Please help me to fixed this
problem.  thanks

note / My car is Hyundai Santa Fe 2009   2.7 V6

3 Answers

19,810

First of all you should not run the fuel that low so that the low fuel light comes on when you run it that low you are picking up all that junk that settles on the bottom of the tank so of your vehicle has a fuel filter I would change it and add some Lucas Fuel Injector Cleaner to gas tank.

1 of 1 people found this helpful.

Thank you for your attention,So,What I did , I has changed the spark engine with new one,and I did engine inspection with Computer , the result was problem with pack injectors,and also when I changed the spark engine,I found the middle spark doesn't burnt good as other spark engine , So, the mechanic advise me to change the middle injector ,and I prefer to try clean it before with cleaner , but the problem I don't know the cleaner name to use,If you know please write to me the name ? thanks

19,810

I prefer using Lucas Fuel Injector Cleaner.

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