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  1. J

    P0430 code and coolant temp sensor

    I currently am dealing with the p0430, see my post. I’ve had issues with my fan staying on over the years and replaced the temp sensor, this last time I changed the temp sensor and thermostat. A little while later I went on a road trip and the car was getting really hot. I swapped out the...
  2. J

    2015 Tahoe P0430 Code

    So I did a scotch whisky cigar test to check for an intake leak, then sprayed some starter fluid around, no smoke being drawn in, and no change in the motor running, I’m thinking no intake leak.
  3. J

    2015 Tahoe P0430 Code

    Hello, I’m new to the group. I’ve got a P0430 code I’ve been fighting with for a few months now. I took the car to an exhaust shop and they replaced the upper Cat on the passenger side, and both lower 02 sensors. The Cat that was put on was not an OEM. Not sure what kind offhand, but the guy...
  4. J

    Introduction

    Hello all. John here from Tehachapi, Ca. I’ve got a 2015 Tahoe LS 4x4, with 132K miles. My wife is the main driver, I’m the maintainer with a YouTube mechanical background, lol. If that makes sense. Watch a video, then save some money and fix it. I plan to keep this vehicle a while so I’m...

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