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Old 10-28-2009, 03:28 AM
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Fault codes, perf prob and q's

Well, Some of you may have seen my 'doofus maximus' post where I dropped a large amount of gasoline in my fuel tank.

I've got the truck running and we drove it while running some errands on Sunday (and I drove it to work yesterday). I'm getting a performance issue, and some fault codes and have questions. I hope you can all help.

I'm using a free software program and my all-in-one OBD-II interface to get this info.

Fault codes:

P0401 - EGR flow insufficient
P0402 - EGR flow excessive
P0403 - EGR control
P0562 - system voltage low
P0683 - Glow plug module to pcm comm ckt
P0132B - I believe this is the new code that is caused by Ford eliminating the exhaust pressure sensor
P0132B* - same as above

I tried to clear the codes above and they did not go away. I suspect that the s/w I am using (scantool.net, V1.13) isn't set up correctly.
My question about the codes is: When one is trapped, how many start cycles does it take to clear it (if it is not caught again)?

I suspect 562, and 683 were due to me running down the batteries while pumping the gasoline out of the lines, (i also had pulled the glow plug fuse and relay).

I also suspect my EGR valve may be toast. I had pulled it a couple of months ago and cleaned it - maybe it's gone now? I've got 87k on the clock and it's never been replaced.

The performance problem is this: During partial acceleration, I get a hesitation. Also accompanying this is a rallte of sorts but it sounds muted and hollow like something inside a cavity is rattling. This is combined with turbo boost fluctuations. Maybe this is the 'proof' my EGR valve is toast. I drove the truck last night and topped it off (got 14.8 mpg on 160 miles or so). On my way home, I didn't experience this problem at all.

What s/w should I get for my PC (free or pay) to read codes, and clear them?

I am hesitant in dropping a lot of cash into a new EGR valve without some confidence indeed that's the issue.

thoughts?
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Old 10-29-2009, 06:09 AM
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update:

Driven the truck to work Tue, Wed and Thu of this week (110 miles round trip). Hesitation problem was present Tue and disappeared totally on Wed and has not shown up today either.

I suspect the EGR valve took a hit by the gasoline and/or the computer system took a hit.

I also had remembered the battery 'status eye' has a red center to both of the batteries, indicating they were not completely charged? I checked last night and they now both are solid green and I'm getting a solid 13.5 volts on the batteries when the engine is running.

Anyone got info on what I need to clear codes from my PC thru an OBD-II interface cable?
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