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My car is now parked safely in my garage and it made it there with the engine running smoothly. That in itself made the situation much better. Now I can properly diagnose the problem step by step to find the true culprit. I did notice that if I rev the car in idle, the trani noise doesn't seem to get louder, but if I put the car in gear and move it from stand still, the noise is more prominent. potential clutch/flywheel problem?
One thing is for certain, I'll need a new tensioner pulley to replace the one that is going. I'm also going to pull out the oil filter and cut up the filter to see if it'll show me anything. I'm still deciding if I should change the oil too (I've put almost 3k miles on it but I changed the oil about 1 month ago).
I'm also going to pull out the sensor in question and test it for a bad connection. Then i'll swap it with the working sensor and see if the engine light follows it.
Lastly, I'm starting to consider that I may want to stop putting of the imsb retrofit, since maybe the clutch/flywheel assembly may be the cause of the trani noise. I found a cool autoshop in Santa Clara, CA that rents their lifts for $15/hr and supplies you with a variety f standard and air tools. I figure if the job take me 10 hours, or $150 of rental time, that will still be less than the price of the tools I will need to get to be able to do the retrofit at home.
I'm just happy I was able to get home unscathed and be able to start the diagnosis process.
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