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Ten years ago when I began experimenting with different technologies to achieve higher fuel economy, I just assume that getting 50-80 miles per gallon (80-129 km) was normal with System / HHO water installed.
oil change coupons also bundle other important maintenance services that many mechanics do-it-yourself can neglect.
For example, your transmission to jump? Is your engine misfires? How about your suspension, air conditioner, or traction control? These, and many others, are usually covered by the warranty.
You do not just want to throw any business that promises you a good warranty.
An important thing to consider if you buy a third-party extended warranty is whether the company maintains that it has sufficient financial resources to pay all claims.
The components which are the extended warranty vary with respect to the basic guarantee so be sure to check with your dealer before signing up for one.
