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post #1 of (permalink) Old 4 Weeks Ago Thread Starter
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Help with transmission swap

Okay guys I finally went to a transmission shop to figure out what was causing the jerk/bucking when I take off from a stop and etc. I had Transmission code p0730 “incorrect gear ratio” so they kept my baby for the weekend and they told me that my 1st & 2nd gear was shifting 2 seconds later than it originally should be.... now I have a 2003 Impala Ls 3.8 & had my transmission replaced about a year ago and I told him the transmission I grabbed was from a 3.4 and he’s saying that’s what’s causing it to clunk when taking off and etc because the gear ratios are different....now question is should I get a new pcm to reprogram the shift points & Transmission settings??? If so any suggestions like ZZP or something else?
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post #2 of (permalink) Old 4 Weeks Ago
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Any reason you didn't mention having a cel lit in your other three threads? And what's up with disrespecting the police in philly?
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post #3 of (permalink) Old 4 Weeks Ago Thread Starter
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I didn’t mention it because my check engine is not Lit it doesn’t throw any engine codes because everything engine wise is replaced & as far As Philly I don’t live down there nomore shit is hectic down there
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