code 44. can anyone tell me whats wrong.?
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From: allentown, pa--brooklyn, ny

ok so i replaced my o2 sensor and im still getting code 44 after disconnecting the battery for 1 hour. i tried this twice and the code came back twice. but now i also noticed my rpm'* stay at a idle of 1500 to 1800 rpm'* while in park and when in drive it tends to redline the needle when im only going 35-40 mph... could this be due to the same problem from code 44 that i keep getting...? someone please help me as this is one that i cant figure out.. even with the break down chilton book or the original gm factory build manual..
Originally Posted by DarkShadow
also check for vacuum leaks..
When installing the O2 sensor, if you didn't use the special socket with the slit on the side, you may have damaged the O2 sensor wire by using a standard deep socket..
Thread Starter
Senior Member
Certified GM nut
Joined: Jan 2007
Posts: 1,646
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From: allentown, pa--brooklyn, ny

the car does not slip or stay stuck in first but im sure of it.. it does redline. i will post a pic or video later on today...
happy fathers day everyone here on the bonneville club... from 88bonnsse
happy fathers day everyone here on the bonneville club... from 88bonnsse
The transmission problem you are describing sounds like what happens to a TH350 when you leave the vacuum line off the modulator. I have been told that on these cars the vacuum modulator only controls shift feel, not the point at which it shifts. Sorry, that'* all I've got.
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