AaronM Posted February 8, 2005 Report Share Posted February 8, 2005 Just picked up the STS! I always got really bad gas mileage (10-12mpg). The exhaust also smelled like rotten eggs. One of my friend's parents own it. It ended up being the air and coolant sensors. My coolant sensor was off by 45 degrees and my air sensor was off by 73 degrees. Cost: $134.37 Labor $74.37 parts tax....TOTAL: $213.20 When I drove out of the lot, the car felt week. It didn't have the same punch as it did before. Then, I noticed my seat wasn't adjusted right. Next red light came up and I gave it some, haha. Woo! The punch is still there! I ended up getting 19.7 MPG and it was city driving! I then smelled the exhaust and there was no smell at all. YAY! My car is fixed! 18 Year Old Male Black 1992 STS 4.9L 90,XXX Miles Flowmaster 80 series muffler Link to comment Share on other sites More sharing options...
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