GMC Sierra P Codes (Powertrain) P0400 - P0499 P0404

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1998 GMC Sierra Codes P0172, P0175, P0404

1998 GMC SIERRA
I Just Bought This Pickup And The Service Engine Soon Light Has Come On And These Codes Are The Ones I Pulled Out. Can Anyone Direct Me...
1 ANSWER
Asked by dslman

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P0404P0420P0430P0449P0453P0455P0499

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