Having problems with your Dodge Caravan ?

Added Fuel Line Cleaner & now the Check Engine Light Wont Go off!

\015 I have a 2001 Dodge Caravan 2.4L 4Cyl . The check engine light will not go off. I think I have caused this. I added a bottle of STP Complete Fuel Line cleaner. The bottle recommended that you only add a bottle when you have a tank of atleast 10 gallons or more. I stupidly added a bottle when I had about 4-5 gallons in the tank. It doesnt idle ruff anymore, instead it idles smooth. However about 20 minutes after I added it, the check engine light came on and has been on for about 2 days now. I just want to know, is it possible that I clogged a filter, or maybe a sensor because there wasnt enough gas mixture. I also wanted to know could I do serious damage by adding it when there wasnt enough gas in the tank? Third, If I fill up a whole tank does anybody think it might run itself out of the lines and the check engine light will come off them? or do you think I did serious damage? Please anyone, comments, suggestions, facts...I live in NYC and Im suppost to drive to Boston on Wednesday, I dont want to break down...Thanks in advance.\015 Posted / edited by AnonymousUser on : 22-02-2021

Answers :

The cleaner won't hurt it at all at any fuel level.
\015\012The light could be MANY things.
\015\012Just have the codes checked and you will know what it's asking for.
\015\012Driving it with the check engine light on will reduce your mileage and increase emmissions about 20%........and thats all.
\015\012Enjoy your drive to Boston.
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