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Old 11-23-2007, 09:29 PM
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new truck and its has 2 codes

just picked up a 00 CC SB lariat with 18X,XXX miles on it and it has 2 codes showing a P0603 and a P0470. can anybody tell me what these codes are and how i get ride of them????

it has a superchip programmer in it and even after i clear the codes and not start the truck or do anything the 470 codes comes up again.

the truck seems to run fine and everything besides it needs a starter.
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Old 11-24-2007, 03:37 AM
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Po603 will happen anytime you disconnect the batteries or change a tune in your PCM, which you do with your superchips unit, it is perfectly normal and it is not a problem code. The P0470 IIRC is your EBPS which is exhaust back pressure sensor, this is located on the front of the motor just to the left and down of center. You will see a electrical connector coming off of it, note... this isn't the coolant sensor that screws into the WP it is further to the left, there will be about a 1/4" metal tube coming out from below the sensor and it will run to the manifold, you will need a deep 1" socket to remove the sensor. You will probably see that the tube is almost entirely clogged with a carbon build up. Use brake cleaner and a sharp object to clean the carbon out. I use a air compressor to blow the pieces into the manifold, then clean the bottom of the sensor. Clear the code, if it returns you need a new sensor. I was able to clean mine twice before it died. If you need a new one go to a Interanational truck dealer, they will be much cheaper. I hope this helps you.
NCHornet
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Old 11-24-2007, 06:33 AM
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that could make sense because the when i got it i put 2 batteries in it cause it cranked slow, fuel filter, and cleaned the engine bay, and put new headlight bulbs in it, and turns out i need a starter now!!!!
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Old 11-24-2007, 12:44 PM
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EBP sensor and tube cleaning procedure.

Welcome to guzzle's Exhaust Backpressure Sensor Cleaning Maintenance Web Page
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