08 Ford Ranger 2.3L P0403 Fault Code - Ranger-Forums - The Ultimate Ford Ranger Resource


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Old 08-13-2008
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08 Ford Ranger 2.3L P0403 Fault Code

My new 08 2.3L Ford Ranger company truck threw a P0403 fault code today. I used my OBDII scanner and reset the fault only to have it come back on an hour later. The truck only has 6K on it and I looked under the hood for a vacuum leak, but I'm not familiar with the 2.3L. Any tips on where to look for the fault/problem would be greatly appreciated.

Last edited by Best4x4; 08-14-2008 at 08:23 AM.
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Old 08-13-2008
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That would be an EGR circuit problem, I believe.
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Old 08-13-2008
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its a 2008 take it to the dealer
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Old 08-14-2008
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Yes I know it's an 08 and yes I would love to take it to the dealer, but since it's a company truck I don't make that discussion. Knowing my company that P0403 fault will be on this truck until it needs it inspection sticker and since it's a new truck that's 2 years from now lol.
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Old 08-14-2008
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I'm having an EGR problem as well. Yesterday I ordered a new valve. Hopefully that fixes that. Unless of course it's just the sensor, then I'll be mad.
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Old 08-14-2008
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A P0403 code is a EGR code circuit failure.
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Old 08-14-2008
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Kinda sad my 08 already has a problem I had a 99 before with the 3.0L V6 and I'd still be driving it today if my company hadn't auctioned it off without even offering it to me. I'm also rather sad after reading that Ford is going to dump the Ranger for an F-100 model.

Ford did the same thing with Land Rover by getting rid of the Discovery Model, and Freelander Model for LR3/LR2.
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Old 09-04-2008
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Ford is not going to dump the ranger and they are going to continue production until 2011. THere is an article on this im not sure if it is posted here or not.
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