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So, I love my car, but dont think I can take it much longer. I understand that these cars are not that great on gas, but my friends TAHOE is getting better MPG than I am. So far I have changed;
-BOTH front O2 Sensors
-timing belt, water pump
-all new plugs, wires, cap
-no leaks, smoking, knocking, noises, etc.
-92 with 193k, 2 owner
The cars runs pretty good for its age, it starts up like a champ every morning, but cant figure out why the MPG is soooo bad. Anyone ever face this? Dont want to sell it, but im getting there. Thanks!
do a compression test and post your numbers, pm if u need instructions. also try resetting your ecu and then drive like a grandma for a week. can also change your air filter along with cleaning your maf sensor if it is not a karmen vortex type like my 93sc3