my '05 Explorer loses air vent pressure when I accelerate, with a/c or just vent air. Will blow out the floorboard area until no longer accelerating. What can be causing this problem?

Asked by Jun 03, 2017 at 11:17 PM about the 2005 Ford Explorer XLS V6 4WD

Question type: Maintenance & Repair

2 Answers

27,215

Does the speed of the blower fan sound like it's slowing when you accelerate? Or does it remain blowing at the same speed and only the vent direction changes? (ie it shifts from dash to floor). If it's shifting where the air blows from, check the operation of the EATC if you have that option (it's a computer module that governs AC and blend and mode door operations). If, however, it feels like the blower fan is "bogging" down, you may have an undervoltage problem, which could indicate a failing alternator. Take it up to any parts store (Autozone, Advance, O'Reilly) and have a them do their free charging system check.

540

Losing vacuum either from control panel or the junction splice or in the engine compartment. Check vacuum hoses and also one way check valve. Follow vacuum line in engine compartment and you'll find check valve

Your Answer

Ford Explorer Experts

  • #1
    OJ
    Reputation
    11,070
  • #2
    Tom Demyan
    Reputation
    4,400
  • #3
    tennisshoes
    Reputation
    2,560
View All

Related Models For Sale

Used Jeep Grand Cherokee
865 Great Deals out of 70,162 listings starting at $700
Used Ford Expedition
351 Great Deals out of 17,696 listings starting at $1,989
Used Ford F-150
2,546 Great Deals out of 195,752 listings starting at $1,500
Used Chevrolet Tahoe
707 Great Deals out of 41,228 listings starting at $1,995
Used Dodge Durango
258 Great Deals out of 22,777 listings starting at $895
Used Toyota Highlander
476 Great Deals out of 30,976 listings starting at $2,500
Used Ford Escape
1,032 Great Deals out of 94,114 listings starting at $1,200
Used Toyota 4Runner
274 Great Deals out of 23,216 listings starting at $2,300
Used Honda Pilot
514 Great Deals out of 36,335 listings starting at $500
Used Nissan Pathfinder
372 Great Deals out of 26,573 listings starting at $1,500
Used GMC Yukon
455 Great Deals out of 22,133 listings starting at $1,995
Used Ford Explorer Sport Trac
50 Great Deals out of 1,792 listings starting at $1,990

Used Cars For Sale

2018 Ford Explorer For Sale
548 listings starting at $32,363
2017 Ford Explorer For Sale
97 Great Deals out of 41,315 listings starting at $21,691
2016 Ford Explorer For Sale
96 Great Deals out of 3,844 listings starting at $14,989
2015 Ford Explorer For Sale
283 Great Deals out of 6,616 listings starting at $11,199
2014 Ford Explorer For Sale
226 Great Deals out of 4,855 listings starting at $8,979

Content submitted by Users is not endorsed by CarGurus, does not express the opinions of CarGurus, and should not be considered reviewed, screened, or approved by CarGurus. Please refer to CarGurus Terms of Use.