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#1
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Hi, I changed the o2 sensor on the van & codes stayed gone, but Service light is still on showing code 1406 "Differential pressure feedback egr sensor downsteam hose off or plugged" Where should I start trying to fix this problem....thanks for any help.......Trav
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#2
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Re: 1406 code on 97 g10 4.3
getting 0420 code now too......Cat converter maybee???????
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