1991 Mercury Topaz Q&A

1991 Mercury Topaz Question: check engine light on - what could it be?

just had oil changed and I know I need to get a tune up - could it be spark plugs/fuel/fuel filter/sensors? -
Answer 1
What are the trouble codes? -
Comment 1
Unfortunately there are none-just the light. BTW - sorry for not responding as quick as you did! I am thinking it just needs a tune up - I got this car from my grandmother and I don't know the last time it had a tune up. -