5.0L (1979-1995) Mustang Technical discussions on 5.0 Liter Mustangs within. This does not include the 5.0 from the 2011 Mustang GT. That information is in the 2005-1011 section.

Help with code 22 Barometric sensor

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Old Oct 1, 2009 | 08:38 AM
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cszymanski82
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Default Help with code 22 Barometric sensor

Hey,
With the KOEO, I've got a code 22, along with a few others(85, 87 I believe). The 22 is the one that's getting me. I replaced the barometric sensor with a used one that was suppose to be good. Test drove the car and still get the code 22. Checked the power wire to make sure I'm getting 5 volts. Purchased a new barometric sensor, test drove the car and still pulling code 22 with KOEO. Does this mean I have a broken wire somewhere? Seems unlikely but possible. Weather's perfect here in Atlanta and would love to enjoy my convertible. Car seems to run fine, would it hurt anything to drive it with these codes?

Also, when I checked for 5 volts with the sensor unpluged. I've got 5 volts at the middle (Green and Black wire) and also the Black and white wire. 5 volts at Black/White at EGR and TPS also, Not sure what's going on? Any suggestions? I replaced the EEC a couple weeks ago, not sure if this was happening before then.
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Old Oct 1, 2009 | 08:40 AM
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Here's a link to pictures of the wiring if it helps. The car seems to run fine, just throws codes. Today's a perfect day for a cruise with the top down, would love to ride knowing I'm not damaging anything.

http://s12.photobucket.com/albums/a2...tang%20wiring/
Old Oct 1, 2009 | 09:54 AM
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You can drive it. It's probbaly just going to default into thinking it's at sea level which I'm sure you're pretty close to being in Arizona. Check the grounds. Did you replace the ECU (I'm guessing this is what you meant be refering EEC), with the correct calibration replacement? It's not the biggest deal in the world, but just curious.
Old Oct 1, 2009 | 11:31 AM
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I'm in Atlanta, approx 950' above sea level. I replaced the ECU with with same one that came out. I'll check all my grounds
Old Oct 1, 2009 | 06:58 PM
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This How to Troubleshoot a BAP/MAP Sensor Circuit procedure might help. LUK
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