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Old 10-18-2014, 09:45 PM   #2
fdryer
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Join Date: Jan 2006
Location: NYC
Posts: 43,512
 

2003 L-Series 3.0L Sedan
Default Re: 1999 SL1 Sedan - chugging when started

Remove the coolant sensor and examine it. An original round nosed plastic one tends to fail and runs the engine rich. The flat nosed brass replacement cures this problem permanently.

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