Gas Mileage Down
I have a 2005 Town and Country 3.3l. It has 104K. The pass two thousand or so miles the gas mileage has dropped from about 18mpg to about 14mpg. I use Lucus Gas Treatment regularly. I just changed the plugs. I also changed the trans fluid/oil and filter. I also cleaned the K&N filter. The plug wires were changed a year or so ago. The van runs fine. What else can I check? Could the O2 sensor be getting weak? I thought I would also clean the TB. I am getting ready to go on a 3K trip and wanted to get the mileage up or at least were it was.
Thanks. Bill |
I tried to changed the O2 sensor. Could not get it to break loose evne with the engine hot.
Bill |
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