Engine codes
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06-24-2008, 07:00 PM
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Engine codes
Recently I sent my 02 disco in for the 60k tune up. The day before my check engine light came on for an emissions leak because I didn't screw my gas cap down all the way. They shop said that it also read a code P1590 Rough Road, but they just reset the computer and the check engine light didn't come back on. I scanned it myself to and it gave the same code but said something along the lines of idle speed control. Whatever it is it doesn't set off the check engine light by itself but the diagnostics computer still reads it. The truck runs great, is this a problem I shold worry about and have checked out and what exactly does that code mean? Thanks.
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