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Re PAIR system questions 07/27/04

97 Volvo, 175,000 mi., DTC 442 & DTC 446: Air injection pump OK. Solenoid in Fuse Box OK. How do you test or check cannister purge valve? What is function of "Pierburg" device mounted below purge valve? How do you check or test air pump solenoid valve? Engine runs OK, but check engine light has now been on over three years, even though passed state inspection OK after check engine light disabled last year. Any info or help greatly appreciated.
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L R Hicks






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New Re PAIR system questions 07/27/04
posted by  larry139  on Wed Jul 28 07:58 CST 2004 >


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