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Old 09-15-2017, 11:20 AM
Paul Steinberg Paul Steinberg is offline
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Default CO - Carbon Monoxide Information

Reposted from a Ford Explorer forum with permission from the author. Not all the information will concern our vehicles, such as in Paragraph 3, but overall, this information could be crucial in keeping our cars safe for its occupants. Contact information for the author is available to PCS Members from me, upon request.

I am toxicologist who joined this forum so I can share information on how to measure carbon monoxide (CO) levels in Ford Explorers and the drivers of Ford Explorers.

#1. If you can smell an exhaust odor, odorless CO is also present, but CO may be present even if you do not smell exhaust, or after the smell fades. The only way to know the level of CO in a vehicle is with a professional CO detector that displays from 1ppm, and preferably one that records CO measurements automatically (called a data-logger) or at least one that records the peak CO level (which you can then recall by pressing a button). Any CO level above 0 in a vehicle is abnormal unless in heavy traffic or a tunnel, and healthy non-smokers absorb CO whenever the air has more than the 1-2ppm they normally exhale. If you can afford 2 detectors, I recommend putting one in the front seat and one in the rear, so you can determine from which end exhaust gases are entering (it could be either end or both).

#2. Do not test vehicles with home CO alarms built to UL2034 or UL2075 standards. These are worse than worthless for use in vehicles because they give a false sense of security. They do not display any CO levels below 30ppm in real time, nor do they give any CO warning below 70ppm, even though EPA average limit for public is just 9ppm. Worse still, these kind of alarms don't provide any warning until CO has been continuously over 70ppm for 1 - 4 hours at the low end or over 400ppm for 4 -15 minutes at the high end. By the time they alarm, you have already been poisoned for anywhere from 4 minutes to 4 hours.

#3. To get your Ford dealer to take you seriously, ask a passenger to use a smartphone to video the CO level your detector displays while you accelerate WOT over 45 mph with both the front and rear AC on high, all windows closed, and recirculate ON. From my testing of 2015 and 2016 Explorers, this is consistently the worst case scenario and so the only condition you need to test. To quickly lower the CO level in the cabin after testing, leave the AC on and turn recirculate OFF (or open at least 2 windows). Since Ford dealers do not have CO detectors, I recommend you test your vehicle again after anyone attempts any repairs. As long as you can detect CO entering the cabin under these conditions, the vehicle is not safe to drive.

#4. If you want to know how much CO you absorbed from your exposures while driving, you can use any professional CO detector to measure the level of CO in your tissues. You just need to hold your breath for 35 seconds before exhaling into the detector. This method is faster, more accurate and less painful than measuring COHb in blood, which is most hospitals can't even do in-house. If you do get your COHb tested, make sure they take both arterial and venous samples. Both are needed to determine if CO is being absorbed (a>v), excreted (v>a) or in equilibrium (a=v).

During CO exposure, you inhale more CO than you exhale, but afterwards, once back in fresh air, you exhale more than you inhale, until the level of CO in your blood and tissues tissues returns to healthy equilibrium. This can take days to years, depending on how much CO you absorbed, or until you are exposed to a higher level and start absorbing CO again. Symptoms like recurring headaches, chronic fatigue, brain fog, muscle pain and multi-sensory sensitivity can last as long as you have more CO in your tissues than your blood.
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The Following 5 Users Say Thank You to Paul Steinberg For This Useful Post:
Bill Marcy (09-15-2017), Channing Spencer (09-15-2017), Denny Shira (10-13-2017), Richard Vyse (09-15-2017), Russell Street (09-15-2017)
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Old 09-15-2017, 04:56 PM
Channing Spencer Channing Spencer is offline
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Thank you Paul.

http://abcnews.go.com/WNT/video/poli...osure-49001298
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Old 09-15-2017, 09:39 PM
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John ED Renstrom John ED Renstrom is offline
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the story I got was the problem accrued when sitting idling with the AC on in the recalculation mod. the problem was with holes cut in the floor for aftermarket equipment and not properly sealed. who runs there ac in that mode anyway. fresh air will cool more. of your worried about it add a extension to the tailpipe
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Old 09-16-2017, 09:16 AM
Paul Steinberg Paul Steinberg is offline
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additional reading... CO and Cars: Unfinished Business Posted on Thursday, Sep 14th, 2017
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Old 09-16-2017, 10:16 AM
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Sounds like a get a electric car plug. When I took drivers Ed in school some 50 years age it was called don't be stupid.
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Old 09-16-2017, 03:16 PM
Peter Grave Peter Grave is offline
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This week we sold our 12th used 2013 to 2015 PPV Explorer. We have also sold many Tahoe used PPVs. With this type vehicle we plug all equipment holes left from the removal of the Police equipment because of this very issue. The problem exists as Ford has said from the holes made when the upfit is done NOT being properly sealed. The Explorer in its virgin form is not subject to Co intrusion only happens with sloppy work from non Ford contractors. We again see the mainstream media lets panic everyone news.
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Old 09-16-2017, 04:42 PM
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Russell Street Russell Street is offline
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I checked with the Service Manager at Wagner Ford and he assured me that the only vehicles with the problem are the Police Interceptor models with bad modification jobs. Not the "civilian" version.
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Old 09-16-2017, 09:38 PM
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the answer is simple run the ac on fresh air and crack a back window when sitting idling. everyone in snow country knows enough to do that if your stuck in a snow bank (using the heater of course) also go out and make sure the pipe is open not burred in the snow to.
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Old 09-17-2017, 01:02 AM
Paul Steinberg Paul Steinberg is offline
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Quote:
Originally Posted by Russell Street View Post
I checked with the Service Manager at Wagner Ford and he assured me that the only vehicles with the problem are the Police Interceptor models with bad modification jobs. Not the "civilian" version.

Did you really expect him to admit to a ongoing problem ??? There has to be some reason that the National Highway Traffic Safety Administration NHTSA is moving forward with its own investigation.

http://www.leftlanenews.com/ford-dow...omplaints.html

https://www.carcomplaints.com/news/2...manifold.shtml
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Old 09-17-2017, 05:09 PM
Paul Steinberg Paul Steinberg is offline
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Yes - THERE ARE CIVILIAN OWNERS of Ford Explorers having CO issues ... !

I-Team: Shrewsbury Family Finds
Carbon Monoxide Leaking Into Explorer
By Cheryl Fiandaca, WBZ-TV
August 21, 2017 6:13 PM
http://boston.cbslocal.com/2017/08/21/i-team-shrewsbury-family-carbon-monoxide-ford-explorer/
(with 3:12 min video segment)
-----------------------------------------------------
Government Investigates Possible Carbon Monoxide Leaks in
Ford Explorers
By Susan Hogan, Patti Petitte and Meredith Royster
Published at 9:14 AM EDT on Sep 9, 2017
Updated at 8:04 PM EDT on Sep 8, 2017
http://www.nbcwashington.com/news/local/Government-Investigates-Possible-Carbon-Monoxide-Leaks-in-Ford-Explorers-443117853.html
(with 4:20 min video segment)
-----------------------------------------------------
2 Md. Women Suspect CO Leaks in Their Ford Explorers
Responsible for Symptoms
By Susan Hogan, Patti Petitte and Meredith Royster
Published at 9:33 PM EDT on Sep 7, 2017
Updated at 1:47 PM EDT on Sep 12, 2017
http://www.nbcwashington.com/news/local/2-Md-Women-Suspect-CO-Leaks-in-Their-Ford-Explorers-Responsible-for-Symptoms-443102123.html
(with 6:54 min video segment)
-----------------------------------------------------
Montgomery County Police Inspecting Fleet of Ford Explorers
for Carbon Monoxide Leaks
The move comes after elevated carbon monoxide levels were
found in similar vehicles used by other police departments
By Mark Segraves, Associated Press and NBC Washington
Published at 1:09 PM EDT on Aug 3, 2017
Updated at 4:21 PM EDT on Aug 3, 2017
http://www.nbcwashington.com/news/local/Montgomery-County-Police-Inspecting-Fleet-of-Ford-Explorers-to-Check-for-CO-Leaks-438349433.html
(with 3:11 min video segment)
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