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Ron, ASE Certified Technician
Category: Mercury
Satisfied Customers: 35642
Experience:  ASE Certs and Ford Certs
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I have an 02 mercury grand marquis, about a year ago the a/c

Customer Question

I have an 02 mercury grand marquis, about a year ago the a/c was blowing warm. as I recall one of you guys emailed me a procedure that suggested I punch a certain sequence on my dashboard a/c control panel ( like , warm,off, auto ) or something like that
and it worked, the a/c was blowing cold again. can anyone help with this ?
Submitted: 2 years ago.
Category: Mercury
Expert:  Ron replied 2 years ago.

Hello and thank you for your question.

I have enclosed the self test procedure in the link below, run through it and post back with an fault codes that may be setting and then clear the system and see if the problem clears. If not let me know and we can work from there. Copy and paste the link to your browser to open and view it.