Changed out fuel filter, Oxygen sensor, Crankshaft position sensor, to no avail, gas milage is still below normal. What next? Also deaccelerates when climbing hills. And acts like it has no power.
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1997 Saturn SC1 Question: Why would my Gas mileage be cut in half, Went from 400 miles on a tank of gas
Answer #1mastertech6371 January 22, 2012, 21:27Master
sounds like you have a clogged cat converter.
Replywinsman, January 22, 2012, 22:01Rookie
But it's not getting hot.
Replymastertech6371, January 22, 2012, 22:15Master
does not have to get hot for the cat to be clogged. have a shop do a backpressure check and a snap throttle check to verify