straight piped problems? - Ford Powerstroke Diesel Forum
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Old 10-23-2007, 09:36 AM
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Cool straight piped problems?

i recently went with the mbrp 3.5 downpipe and 4' straight pipe all the way back and since then i had my check engine light come on with many dtc codes. i had the stock exhaust straight piped before with no problems. can it be because of the bigger exhaust mod?
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Old 10-23-2007, 09:47 AM
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Quote:
Originally Posted by gtpitstop View Post
i recently went with the mbrp 3.5 downpipe and 4' straight pipe all the way back and since then i had my check engine light come on with many dtc codes. i had the stock exhaust straight piped before with no problems. can it be because of the bigger exhaust mod?
What are the codes?
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Old 10-23-2007, 10:21 AM
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Yea, first of all what are the codes, and no a larger exhaust will not through any codes, if done right. Maybe you bumped a connector loose or something while working underneath the truck, do a visual inspection of everything and its probvly something simple like a disconnected something.
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Old 10-23-2007, 10:22 AM
Jon
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!

What are the codes? I would go to the stealer and get the latest reflash.
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Old 10-23-2007, 10:25 AM
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the truck is home but the codes were for:
fuel level sensor, cruise control lamp indicator, glow plug #2 circuit low, something with the FICM and a couple more. they didn't pop up until i changed the exhaust.
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Old 10-23-2007, 10:41 AM
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yeah

must have hit something. Exhaust wouldnt cause that.
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Old 10-23-2007, 11:17 AM
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You didn't do any welding on the exhaust did you? It's odd that they all seem to be codes related to electronic devices.
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Old 10-23-2007, 11:23 AM
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I have never had an issue on any of my straight piped trucks.
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Old 10-23-2007, 12:46 PM
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HERE ARE THE CODES:
P0460- FUEL LEVEL SENSOR CIRCUIT MALFUNCTION
P0480- FAN 1 CONTROL CIRCUIT
P0649- CRUISE CONTROL LAMP CONTROL CIRCUIT
P0672- GLOW PLUG #2 CIRCUIT FAILURE
P1378- FICM SUPPLY VOLTAGE CIRCUIT LOW
P2285- INJECTOR CONTROL PRESSURE SENSOR CIRCUIT LOW
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Old 10-23-2007, 12:48 PM
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I agree with everyone else, I think some thing was knocked loose or broke off....but 720 has a apoint, was anything welded, cuz that could cause a short in the truck if it wasn't grounded????
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