code 33
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Project Sierra; Codes 33 & 45?
About two months ago i bought a $1500 94 Sierra off marketplace, and finally decided to tackle the service engine light. Its been throwing codes 33 and 45 ever since I bought it. Started with the basics (cap and rotor, plugs and wires, fuel filter) along with a new battery, alternator and...- kzvwrld
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- code 33 code 45 map sensor running rich sierra
- Replies: 1
- Forum: Engine Performance + Maintenance
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