http://www.alternativefuelstips.com

If after you’ve checked the fuel filter and purchase only the best gasoline the car still wouldn’t run smoothly, then the fuel injectors might not be working properly. Remember that you can replace only the defective one. There are many brands of fuel injections in the market and you have to make sure that you buy a good one. Changing only one injector will give you better car performance but if you want maximum performance, you have to change all the fuel injectors

http://www.alternativefuelstips.com