You could always buy 100% and mix it with distilled water. You seem to get more bang for your buck that way.

 

I've been using Dex-Cool in my Formula for 15+ years with no problems.

 

Well I found out my head gaskets are just fine, so it IS just short trip build-up. I'm going to make sure to warm my car up for at least 5 minutes before I go to school then.

On a side note, low mileage happened to be partially caused by under inflated tires. I fixed that up and changed the transmission oil today (which was a painfully messy job to dowith rear- tire ramps!!!).

Thanks all for your responses.

 

I would also clean your MAF sensor (be careful)

and have your fuel injectors cleaned by a shop with the product that the car runs on, not that crap in a bottle that goes in the tank. also the service includes a tank additive and a service that gets sprayed down the intake trace and cleans runners and valves. should be around 150.00