code 43 Electronic Spark Timing

[meanmudder]

were is it at 95 chevy pu 350 ci

 

[zcarczar]

I get the same code in my 89 k5, it comes on when it senses a knock in the engine, if the sensor is bad the sensor is down by the starter and its called the knock sensor, to see if the sensor works tap on the block with a scan tool and see if the engine sees a knock
Hope that helps

 

[meanmudder]

knock sensor is good