Q: Low MPG

asked by on March 10, 2016

IM HAVING TROUBLE WITH THE FUEL INNECTION CLEANING. ITS A GDI SO DOES IT REQUIRE A CERTAIN ADDITIVE LIKE SEAFOAM? Also my car makes a cluttering noise trying to go up hills its sounds like the oil is old but just recently got a oil change.

My car has 58000 miles.
My car has an automatic transmission.

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