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post #1 of 5 (permalink) Old 04-28-2009, 01:40 AM Thread Starter
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what is

what are the lines in the exhaust for

06 4dr f-350 lariat with 8.5in lift 20x14 welds 37in tires, sct with dj's tune straight pipe recon lights, HIDs
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post #2 of 5 (permalink) Old 04-28-2009, 01:52 AM
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O2 sensor, and exhaust gas temp sensor i think

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post #3 of 5 (permalink) Old 05-04-2009, 06:25 PM
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i thinkt there are temp in - out of filter, temp in-out of catolyst and the exhaust pressure sensor is in the manifold before the turbo,
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post #4 of 5 (permalink) Old 05-09-2009, 02:33 AM
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the tubes on the dpf are pre and post dpf. measures the pressure difference to determine how plugged the dpf is. the 3 temp sensors measure pre cat, post cat and post dpf. disconnect any of those and codes/engine derates will occur
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post #5 of 5 (permalink) Old 05-26-2009, 10:26 PM
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yes they measures the pressure difference
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