Stanadyne Performance Formula Jr.
Hello- I have a question about fuel additives. I had a recent maintenance at a my local Chevy dealer for my '06 Duramax 6600 and they left a bottle of the Standayne Performance Formula Jr. in the truck. Not sure if it was a hint to use it, or a marketing ploy by the local Stanadyne sales folks. Anyway, how beneficial is it using this stuff? I see on their website that it improves lubricity, keeps fuel fresher etc. Will it improve mileage?
I guess I don't want to start spending money on stuff that I will not benefit from its use.
Thanks in advance for your feedback,
Ed
Stanadyne Performance Formula Jr.
Jim- thanks for the informative reply. I used the Stanadyne product and got through half a tank of fuel and my check engine light came on. Could it just be coincidence? I checked my fuel cap for tightness and it is OK. I guess I am headed to the dealer for a checkover.
Ed
Stanadyne Performance Formula Jr.
Jim, thanks. I took my truck into the dealer about the Check Engine Light. It evidently the EGR valve. They cleaned it and re-flashed the settings/control and that was it.
A friend uses Power Servcie Additives with Cetane and he likes the perfromance it has given him.
Ed