ONLY getting 11.6 Miles per Gallon??? HELP
Hey guys my cars been acting up real bad. I am wondering if you guys could let me know of some things that could be wrong. My car is jumping from 1000 to 700 rpms when idle and I can hear the engine rumble from time to time. My gas mileage is REALLY Bad. I am only getting anywhere between 11-12 miles a gallon. I dont know what to do. My only upgrade is a Greddy SP Cat and boost gauge and turbo timer. Thankyou guys very much in advance. btw ( 98 eclipse gst auto)
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