HVAC ISSUES.

2006 Mercury Marquis

Tiny

thephnx39

August, 21, 2011 AT 1:15 AM

When I start my car up and turn on ac or heater, it blows out nothing as if it's congested/clogged on all cycle modes and will do this for like 5 minutes then blow out as normal for a few minutes then back to congested/clogged blowing. What can be causing this and how to fix it?
2006 Mercury Grand Marquis LS
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2006 MERCURY GRAND MARQUIS LS

FOUND 2426 RELATED QUESTIONS

2 Answers

Tiny

rasmataz

August, 21, 2011 AT 1:23 AM

Check and test the blower motor relay/blower motor harness if okay Have the HVAC control module checked out-

Tiny

thephnx39

August, 21, 2011 AT 1:50 AM

@rasmataz. How to test relay n harness? And where to get replacements?

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