Chevrolet Silverado Has No Power: What To Do And Solutions!

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If you find yourself in a situation where you turn the key on your Chevy Silverado and the truck won’t start, there are several potential explanations for why it won’t start. Keep reading until the end and learn what makes a Chevrolet Silverado powerless.

By checking several key components on your Silverado, you can identify the problem yourself and possibly fix it. You can do much of this troubleshooting even if you have little or no mechanical experience.

What makes a Chevrolet Silverado weak?

Silverado Loses Power
Chevrolet Silverado LT Z71 2012

If your Chevrolet Silverado has no power it can be due to several factors, see below what could be the causes and possible solutions:

  1. Check the dashboard when trying to start your Silverado and see if the security light is on.. If it is, there is a problem with your system anti-theft passlock. With Passlock, your key emits a radio frequency to a receiver inside the vehicle. Only once the Passlock system has confirmed that the key is valid can you start the vehicle. If it detects a problem, your fuel system will shut down and the anti-theft system will require service from a trained mechanic.
  1. Push the throttle down to the ground while keeping the key in the start position if your Silverado has not started within 10 seconds of starting the engine. Chevrolet recommends waiting 15 seconds between each attempt to start the vehicle and not starting the vehicle for more than 15 seconds per attempt to avoid draining the battery or burning out the starter motor.
  1. Check that your Silverado is in Park or in Neutral if you have an automatic transmission as it won’t start if it’s in gear. If you have a Silverado with a manual transmission, make sure you’re depressing the clutch pedal as you turn the key to the start position.
  1. Remove the spark plugs with a spark plug wrench and visually inspect the tips of each spark plug.. If they are dirty or stained with excessive carbon buildup, replace each one. Depending on the engine you have in your Silverado, you will have six or eight spark plugs. Chevrolet recommends changing your Silverado’s spark plugs every 60,000 miles.
  1. Making sure your Silverado is getting fuel to the engine, you can do a two-part test. First, connect a fuel pressure gauge to the fuel line before the fuel filter. Start the engine while someone else takes a reading, which should be 50 to 60 PSI. If the reading is low, or if there is no fuel pressure present, replace the fuel pump. If the reading is within range, perform the same test on the fuel line in front of the fuel filter, which is along the driver’s side frame rail. If the pressure is less than the desired 50 to 60 PSI, they replace the fuel filter. Chevrolet recommends changing the fuel filter every 60,000 miles..
  1. Check the battery connections if the motor is turning slowly or not turning at all. Your Chevy Silverado’s battery is behind the headlight on the driver’s side. If the terminals are loose, a sufficient load cannot be delivered to the starter motor to start the engine. If the connections are loose, tighten them with an adjustable wrench.
  1. Confirm that the battery is properly charged. To do this, turn on the interior lights and the radio and start the engine. If the lights and radio flicker on and off, or if you only hear a clicking noise, the battery is weak and needs to be replaced. To get the truck to start immediately, you can try starting it from another vehicle.

With these 7 steps you already have the causes that make your Chevrolet Silverado not have the strength to start.

Also read about: How to Fix Overheating Problems in a Silverado

Chevy Silverado Has No Strength
2018 Chevrolet Silverado Double Cab

Items you will need

You will only use the following this time:

  • Spark plug wrench.
  • Adjustable wrench.
  • a helper

If you find yourself in a situation where you turn the key on your Chevy Silverado and the truck won’t start, there are several potential explanations for why it won’t start. Keep reading until the end and learn what makes a Chevrolet Silverado powerless.

By checking several key components on your Silverado, you can identify the problem yourself and possibly fix it. You can do much of this troubleshooting even if you have little or no mechanical experience.

What makes a Chevrolet Silverado weak?

Silverado Loses Power
Chevrolet Silverado LT Z71 2012

If your Chevrolet Silverado has no power it can be due to several factors, see below what could be the causes and possible solutions:

  1. Check the dashboard when trying to start your Silverado and see if the security light is on.. If it is, there is a problem with your system anti-theft passlock. With Passlock, your key emits a radio frequency to a receiver inside the vehicle. Only once the Passlock system has confirmed that the key is valid can you start the vehicle. If it detects a problem, your fuel system will shut down and the anti-theft system will require service from a trained mechanic.
  1. Push the throttle down to the ground while keeping the key in the start position if your Silverado has not started within 10 seconds of starting the engine. Chevrolet recommends waiting 15 seconds between each attempt to start the vehicle and not starting the vehicle for more than 15 seconds per attempt to avoid draining the battery or burning out the starter motor.
  1. Check that your Silverado is in Park or in Neutral if you have an automatic transmission as it won’t start if it’s in gear. If you have a Silverado with a manual transmission, make sure you’re depressing the clutch pedal as you turn the key to the start position.
  1. Remove the spark plugs with a spark plug wrench and visually inspect the tips of each spark plug.. If they are dirty or stained with excessive carbon buildup, replace each one. Depending on the engine you have in your Silverado, you will have six or eight spark plugs. Chevrolet recommends changing your Silverado’s spark plugs every 60,000 miles.
  1. Making sure your Silverado is getting fuel to the engine, you can do a two-part test. First, connect a fuel pressure gauge to the fuel line before the fuel filter. Start the engine while someone else takes a reading, which should be 50 to 60 PSI. If the reading is low, or if there is no fuel pressure present, replace the fuel pump. If the reading is within range, perform the same test on the fuel line in front of the fuel filter, which is along the driver’s side frame rail. If the pressure is less than the desired 50 to 60 PSI, they replace the fuel filter. Chevrolet recommends changing the fuel filter every 60,000 miles..
  1. Check the battery connections if the motor is turning slowly or not turning at all. Your Chevy Silverado’s battery is behind the headlight on the driver’s side. If the terminals are loose, a sufficient load cannot be delivered to the starter motor to start the engine. If the connections are loose, tighten them with an adjustable wrench.
  1. Confirm that the battery is properly charged. To do this, turn on the interior lights and the radio and start the engine. If the lights and radio flicker on and off, or if you only hear a clicking noise, the battery is weak and needs to be replaced. To get the truck to start immediately, you can try starting it from another vehicle.

With these 7 steps you already have the causes that make your Chevrolet Silverado not have the strength to start.

Also read about: How to Fix Overheating Problems in a Silverado

Chevy Silverado Has No Strength
2018 Chevrolet Silverado Double Cab

Items you will need

You will only use the following this time:

  • Spark plug wrench.
  • Adjustable wrench.
  • a helper

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