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Old 04-05-2012, 11:53 PM   #10
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Join Date: Apr 2009
Posts: 6,853

1997 SL2
Default Re: Rebuilt Transmission, Now Fails Smog Check

And to expand on Razzle Dazzle's post, I'd also go after the ECTS/connector, especially if it's original. In addition, address the thermostat. the cat I wouldn't worry about unless you get meteorites in it or if it's physically damaged, or if it's set P0420/P0421 at all. How much oil does the car go through? this may be another factor in failing SMOG as well.

You want a brass tipped ECTS, the 188/195 degrees F stant thermostat (or NAPA equivalent), and the connector should be replaced with one from a junked Saturn, specifically the IAT connector, especially if it's damaged or corroded. USE SOLDER AND HEAT SHRINK WRAPS TO TERMINATE THE SPLICES.

but yes, the emissions numbers would help..

97 SL2
DOB: 3/19/97
Date Obtained: 5/30/07
Status: Alive, 1/2 exhaust

2004 Merc G.Marquis GS
DOB: 2/4/04
Date Obtained: 7/6/12
Status: Alive, no heat


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