Question about 1999 Volvo S80

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Emissons light on dash

I was filling up with the car running and noticed in teh screen that it mentioned something about "filler cap open..." and then once replaced the emissions problem in screen and check engine light. I went and had it reset and the diagnosed "small leak" on the testing unit. Light was out and now back on. I had no issue before this and refuse to believe this is a coincidence. I went ot get inspected and it came out with a ODB System-Trouble code present of ; P0442. Called Volvo and they are waiving me in with the big $Green$ light that they use for airplanes. The timing of this just floors me.

Any help would be appreciated.

Bryan

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That was the code that came up. I took it to my mechanic and he replaced my canister shut off valve (CSOV). It was good for @ 100 miles and then the Emissions screen popped up again (and has been on ever since). Oddly enough the "check engine" light is off now and I also lost the screen (that show clock and gear) since I got it back. I believe that he replaced the CSOV and rigged the check engine to get me through inspection (I was up against the wall for time for inspection). Since these lights came on with the filling of my tank (which I still believe there is a sensor tripped somewhere), is there any harm that can come from driving with the Emissions light still on? Even worse now, I have had a light come on recently telling me to "Service Engine - Urgent". I put a qt. of oil in and it went away. Concerned about bearings not holding pressure? Any thoughts on this light? It had come on again and it seems to be if I put the car in park and idle (after a while it comes on). Poor pressure? Thanks in advance

Posted on Aug 26, 2008

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P0442 is not a volvo read code? converted to volvo it would read ecm 4308 small fuel leak/ start by replacing the gas cap and resetting it all/volvo scan tool can run a instant pressure test and see if it pass or fail after passing run car 200 miles before emission test to complete drive cycle

Posted on Aug 26, 2008

  • mark lail Aug 26, 2008

    driving with the emission code does not cause the car any further problems/rotate the knob on the end of the turn signal lever and see if your display comes back on/service eng urgent means you need the code read again/

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