Map sensor sorry took so long but it does sound the same n i back fire all the time now still cannot locate that sensor.
Ls1 map sensor location.
With the ls3 engine general motors introduced a bosch map sensor in the same location as the ls2 manifold but with an attaching bolt.
This map sensor is mounted directly to the intake manifold but others might be connected by a hose.
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Get it as soon as wed oct 7.
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This video is just me taking off the wiring and taking note of the sensors around the ls1 engine.
While electronically compatible with the ls1 ls6 ls2 map sensor the ls3 map sensor is not a direct fit to the early intake manifolds uses a different harness connector and its pin configuration is unique.
Ive bought 2 different mass air flow sensors replaced all my 02 sensors n now its still giving me map sensor but now also all my 02 sensors again lol so thinking about taking it to the dealer now.
This is perhaps the most common place.
3 bar map sensor manifold absolute pressure map sensor ls1 ls2 ls3 ls6 ls7 ls9 trans am firebird turbo camaro corvette.
The map sensor is usually located in a few key places around the upper engine bay area.
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The ecm uses map sensor data to run crucial calculations such as engine load fuel injector pulse and spark advance.