Equus Ford Code Reader.
Hi, I just bought a code reader OBDI.
And my quistion is my check engine
light comes on only when I drive
never when I turn it on or at idal. Now
I know you can test the car while it's
on but can it be tested after it has
already been driven?
1993 Ford Thunderbird LX V8 5.0L
Yes, it can be tested at any time. You can drive around with the tester plugged in if your wish.
Ok cool. Thanks a lot
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