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1989 240 DL - Check Engine Light On 200 1989

Hi all,
My check engine light was on and the car ran rough on colder mornings. The code read that it was the mass air flow sensor. I replaced the thermostat valve and the car worked much better but the light was still on. I then replaced the mass air flow unit and the car runs even worse than it did originally! Plus the light is still on. I'm now past due for a smog check and wondering what went wrong. Any ideas?
Thanks in advance for any help,
Hargus






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New 1989 240 DL - Check Engine Light On [200][1989]
posted by  Hargus  on Sat Feb 13 09:05 CST 2010 >


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