HELLO EVERYONE I PURCHASED A 1996 DODGE GRAND CARAVAN WITH A 3.3 LTR V6 THE
VAN RUNS LIKE NEW BUT ITS EATING TO MUCH GAS I HAD THE THING SCANNED FOR
CODES IT CAME UP THAT THE OXYGEN SENSOR WAS BAD WOULD THAT MAKE THE VAN
BURN A LOT OF GAS COULD ANYBODY HELP I AM GOING TO HAVE IT TUNNED UP AND
CHANGE THE OIL AIR FILTER AND THE GAS FILTER IF THERES ANYTHING ELSE COULD
YOU PLEASE LET ME KNOW.....
The oxygen sensors tell the engine computer how much fuel to give the
engine. If one or more is bad, the engine computer goes into a failure
mode, and will usually meter out more fuel than is really needed, so the
engine won't stall. But the engine will be operating inefficiently, as
it will be getting more fuel than is ideal. Excess unburned fuel may
even be getting into the exhaust and causing the catalytic converter to
Oxygen sensors often need replacement when the vehicle is several years
old, and at about 75,000 miles. One of the oxygen sensors in my 1995
Intrepid with the 3.3L needed it at 90,000 miles. It cost about $45; I
already had the special socket to remove/install it, but on that car it
could be done with an open end wrench. On a minivan it's probably a bit
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