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PAIR system-DTC 442 & DTC 172 900 1997

posted by  larry139 on  Tue Jul 27 08:36 CST 2004
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I have installed new charcoal cannister, new air mass sensor, new fuel pump (by volvo dealer), and spent almost $2500 to get check engine light off. Car has about 175,000 and runs good with reasonably good gas mileage (22-25 mpg), although less than when new. Volvo dealer has been unable to correct problems.
How do you find out if air pump is working? Can you go directly from battery to pump to check? How cna I check to see if air pump solenoid is OK?
I have despaired of Volvo and have not been able to find local Volvo independent who has confidence in ability to solve problem. Help!
--
L R Hicks






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New PAIR system-DTC 442 & DTC 172 [900][1997]
posted by  larry139  on Tue Jul 27 08:36 CST 2004 >


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