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Codes Checked - not in book...? 850 94

OK - check engine light came on in my 1994 855 Turbo. No problem. Pulled codes 443 and 435 for the fuel injection system.

443 - nowhere in my Haynes manual

435 - Heated O2 sensor response slow

So - anyone have a guess as to 443?

I have had 435 and 443 show up twice in the last month. Don't have a clue as to the one, but do I need to replace the heated O2 sensor?

Thanks,

Barry






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