03 silverado doesn't want to kick down. Drives like an old woman. No "passing gear" I guess its called. Any possible solutions?
Check your transmission fluid level. If it's red like cherry Kool-aid and full then your catalytic converter(s) might be plugged.
Thank you I will check. But what if I told you I broke a 02sensor and used my 06 silverado 02sensors. Would that make a difference?
No they should be the same O2 sensors. Good luck tomorrow, I hope it's not anything bad(like a bad transmission) If the trans fluid is brown and smells burnt have the trans flushed. I highly recommend BG brand.
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