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Old 08-11-2003, 10:05 AM
sbourg sbourg is offline
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Join Date: Jul 2001
Location: SoCal
Posts: 1,303
Reducing NOx emissions pre-cat is the job of EGR. A plugged EGR tube at the intake end is common with these engines, I hear. I would disconnect the tube and examine the port.

'91 MB 190E 2.3
'08 RAV4 Ltd 3.5
'83 Lazy Daze m'home 5.7
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