Question about 1995 Saturn Sl

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Saturn sl2 emissin problem

The HC-ppm part of the emission test is too high on a 1995 Saturn SL2.

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  • Bruce Bracey
    Bruce Bracey May 11, 2010

    Ben, The "HC" issue is indicating the engine is running too rich. Is the "service engine" light illuminated in the dash near the speedometer? And how many miles do you have on the Saturn.

    Let me know,

    Regards,

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  • 35 Answers

If the SES light is on, take a paper clip bend it in a u-shape and jump the scanner input positions A B. This should flash the ses in sequesces to give you the trouble code, Please see the following link. http://www.troublecodes.net/GM/ Refer to the code to see what the issue may be. SES lit means that there is a emmissions related issue. Refer to the other links for additonal information on O2 sensor resistance, and the egr valve solinoid. Check the EGR is relitive easy for operation. Remove the vaccum hose and place a hose of similar suckon the hose to pull vaccum if the diafram underneith retracts, hold the vaccum by plugging off the tube with your touge if the diafram retracts, will not hold the vaccum, it is bad. The solinoid should read 40-60 ohms if good. http://www.saturnfans.com/forums/index.php http://www.aldlcable.com/sc/pages.asp?pageid=21
http://www.saturnfans.com/forums/showthread.php?t=37884

Posted on Jun 01, 2009

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