HONDA 2003 Pilot - Owner's Manual - Manual (Page 353)

If the indicator remains on past three
driving trips, or the fuel cap was not
loose or missing, have the vehicle
checked by the dealer as soon as
possible. Drive moderately until the
dealer has inspected the problem.
Avoid full-throttle acceleration and
driving at high speed.
You should also have the dealer
inspect your vehicle if this indicator
comes on repeatedly, even though it
may turn off as you continue driving.
This indicator comes on when you
turn the ignition switch ON (II), and
goes off after the engine starts. If it
comes on at any other time, it
indicates one of the engine’s
emissions control systems may have
a problem. Even though you may
feel no difference in your vehicle’s
performance, it can reduce your fuel
economy and cause your vehicle to
put out excessive emissions.
Continued operation may cause
serious damage.
If you have recently refueled your
vehicle, the cause of this indicator
coming on could be a loose or
missing fuel fill cap. Check the cap
and tighten it until it clicks several
times. Replace the fuel fill cap if it is
missing. Tightening the cap will not
make the indicator turn off
immediately; it takes at least three
driving trips.
This indicator may also come on
along with the ‘‘D’’ indicator.
Malfunction Indicator Lamp
Taking Care of the Unexpected 349
MALFUNCTION INDICATOR LAMP
If you keep driving with the
malfunction indicator lamp on, you can
damage your vehicle’s emissions
controls and engine. Those repairs may
not be covered by your vehicle’s
warranties.
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