Question about GMC Sierra 1500

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2009 Sierra running rough after putting injrction cleaner in

I put $20.00 in gas an put a bottle of injection cleaner in the tank and then after about 25 miles it started running really rough and the check engine light came on. What can I do to fix my problem?

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Put more than 3 gallons of gas in your tank- $20 = 3.5 gallons here. The bottle of cleaner specifies how many gallons of fuel is to be mixed with the cleaner. Usually 8-10 gallons for the small bottle cleaners. Whatever. Follow the directions. It will likely run like garbage for about a quarter tanks worth, but should clear up eventually, UNLESS - there was something wrong before you put the cleaner in. Have you put cleaner in before now? If not, why did you decide to do it now? If there was an issue before, that issue needs to be cleared up before trying additives, unless you are absolutey sure you have a dirty injector or two. Also might help to buy the highest octane rated gas you can for a tank or two. The more expensive brands (Shell, Exxon, Mobil, etc.) usually have some detergents in their gasolines that help clean injectors on their own too.

Posted on Apr 20, 2014

  • angel Robidas
    angel Robidas Apr 21, 2014

    Ok so I added more fuel I alsoent to Shell statio and addd the higher octane fuel. I took my truck to he uto parts store and they put it on the computer and I got a misfire on Clinder #1.

  • angel Robidas
    angel Robidas Apr 21, 2014

    There was nothing wrong with he truck beore he injector cleaner was put in. But afr I did I drove about 25 miles and BAM the check engine lite came on and is blinking also it was tlling the stablizer something needed to be serviced it was running really rough when ideling it shoo very badly, it never died tho.Is there a way to check n see if the injectors are good or not? Ient and got a coil pack and a coil pack but I have not put them on yet. also doesanyone know wher all the gound wires are located at?

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SOURCE: after putting gas in the car started running rough and is chockin

It wouldn't hurt to change the filter, but it sounds like you got a bad batch of gas, if it was running good before you got gas.
Get a bottle of dry gas and put it in the tank, if there is any water in the gas, that will clear it out, also it wouldn't hurt to put a bottle of fuel injector cleaner in the tank, I use that stuff all the time to keep the fuel system clean.

Posted on Jul 17, 2009

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