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So i have a 2008 Chevrolet Colorado with 504,000 km on it.
It has a 3.7 liter inline 5cyl.
i had to replace air box with a cold air intake and since then it runs hot and throws codes of “lean bank one”
I’ve replaced the thermostat with a 187 degree one and replaced the water pump.
yet it still runs hotter than i think it should.
The throttle position sensor is also shot so I am ordering a new throttle body and sensor (no choice unserviceable)
this is just a project for an old man unable to work I’m not expecting miracles just want to have some fun with it.
I also added a throttle controller which I think killed the position sensor.
im new to tuning but I’m under the impression that this is a tuneable engine.
Anyone have comments or suggestions?
