How does the ECM work on a Chevy Silverado?
How does the ECM work on a Chevy Silverado?
The ECM takes all of the data from the various sensors, and uses it to operate the engine in a way that is significantly more efficient than traditionally controlled engines. It uses the data from the oxygen sensors, camshaft sensor (s), mass airflow sensor, knock sensors, and much much more to make constant adjustments to the engine.
What happens when an engine has a bad ECM?
An engine with a bad ECM will often run rough and misfire. The misfire can come or go depending on what is going on with the ECM. It may stall, and not be able to start again, until you turn the ignition all the way off and back on again. 3. Poor Performance As mentioned above, the ECM controls the engine timing, and air/fuel ratio.
What does the code 86 mean on a Chevy ECM?
Count the flash codes and record them onto a sheet of paper. The check engine light will flash the codes at you, in a series of long and short pulses of light. For example, General Motor’s code 86 will appear as eight long flashes, followed six shorter flashes. There will be a dark, silent pause between coding sets.
What happens when your Chevy Silverado engine goes bad?
So, when it goes bad, it can knock your Silverado’s air fuel ratio off. This could lead to poor fuel economy, the previously mentioned rough running engine, backfiring, a flashing check engine light, and an engine that has no giddy-up and go. 4.
The ECM takes all of the data from the various sensors, and uses it to operate the engine in a way that is significantly more efficient than traditionally controlled engines. It uses the data from the oxygen sensors, camshaft sensor (s), mass airflow sensor, knock sensors, and much much more to make constant adjustments to the engine.
An engine with a bad ECM will often run rough and misfire. The misfire can come or go depending on what is going on with the ECM. It may stall, and not be able to start again, until you turn the ignition all the way off and back on again. 3. Poor Performance As mentioned above, the ECM controls the engine timing, and air/fuel ratio.
How does the ECC work on a Silverado?
The ECC controls ignition and fuel calibrations for optimal engine performance from input it receives from the sensors. Signs of faulty ECC’s include a constant check engine light, gear shifting problems in automatic transmission vehicles and sudden stopping and jerking.
When to replace your Chevy Silverado engine control?
Requires reprogramming Your Chevrolet Silverado is impressive and powerful. If your vehicle won’t start or the performance and fuel economy have declined, your engine control computer (ECC) is problematic and may need to be replaced. AutoZone is the place to find your Chevrolet Silverado engine control module.
When to replace the engine control computer on a Chevy Silverado?
Select your Year, Make, Model and Engine to find those that fit your vehicle. Your Chevrolet Silverado is impressive and powerful. If your vehicle won’t start or the performance and fuel economy have declined, your engine control computer (ECC) is problematic and may need to be replaced.
What is OEM number for Silverado engine control?
OEM #12603892. Units must be flashed ON the vehicle. Vehicle specific on-car programming must be performed AFTER installation to prevent drivability and starting issues 0.0 out of 5 stars. Notes: Requires programming.
What does the PCM do in a Chevy truck?
by Alibaster Smith. The PCM, or powertrain control module, in your Chevy truck serves as the on-board diagnostic computer for your vehicle. The PCM controls everything from air-to-fuel ratio to generating fault or trouble codes for critical vehicle systems. If your PCM fails your Chevy truck can experience a wide range of problems.
Select your Year, Make, Model and Engine to find those that fit your vehicle. Your Chevrolet Silverado is impressive and powerful. If your vehicle won’t start or the performance and fuel economy have declined, your engine control computer (ECC) is problematic and may need to be replaced.
