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Jim Grant Tech Tips Jim Grant Tech Tips
A collection of helpful articles based on reader submissions
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  Jim Grant's Tech TipsJim Grant's Tech Tips
Below is a collection of Jim Grant's Tech Tips sorted by Vehicle Make. These Tech Tips were answers to questions submitted to Jim by ALLDATAdiy.com users over the course of many years.
If you have any questions, please feel free to email us.
 
 

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  Jim Grant's Tech Tips

Can Fuel Additive Kill a Fuel System?

Q: I added some STP "Jet Fuel" fuel additive. A few days later, my fuel pump goes out. Is this a problem with the additive or a coincidence? … Evan Carroll

A: Why did you add the fuel treatment? Did you feel that your vehicle wasn’t running right? I often find that customers, who normally do not use fuel additives, will suddenly change their habits when their vehicle doesn’t seem to be running right. More often than not, this is a reaction to a problem that is surfacing with a vehicle, but has not fully manifested itself. Fuel additives such as STP’s Jet Fuel as with other such additives are meant to be used as maintenance products. These additives are not meant to repair a part that is failing. Their job is to help clean and maintain engine performance. There is no doubt in my mind that your vehicle’s fuel pump was failing. It is just a coincidence and nothing more.

 
     
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