Chevrolet Astra Won’t Start: Top 14 Causes & Solutions

As a certified auto mechanic with in excess of twenty years of experience, I’ve seen a decent share of Chevys that can’t start. Hi, I’m Robby and I understand how annoying this can be for people, especially when you have things to do and places to be. But don’t panic! In this article, I’ll share the inside scoop on the top reasons your Chevy Astra won’t start, in addition to helpful tips to get you back on the road fast.

With advanced certifications in electrical systems and engine performance, I’ve diagnosed and fixed just about every “no start” issue out there. I’ll talk you through how to analyze your Astra’s symptoms, figure out the cause, and determine if it’s a DIY fix or best left to a professional mechanic. I’ll also give recommendations for products that can help you solve your issue, as well as make sure it doesn’t happen again in the future.

Quick Solution Alert! 🚗💡

To save you time, this might be the quick solution you need.

An online mechanic can help you solve the issue much faster, and save money doing it.

They help 1000s of people every day in your position, save a lot of time, money and risk getting their vehicle repaired. Having a friendly expert mechanic guiding and advising you every step of the way, is the best thing you can do. You will have your issue fixed faster, and likely cost much less.

Quick Solution Alert! 🚗💡

To save you time, this might be the quick solution you need.

An online mechanic can help you solve the issue much faster, and save money doing it.

They help 1000s of people every day in your position, save a lot of time, money and risk getting their vehicle repaired. Having a friendly expert mechanic guiding and advising you every step of the way, is the best thing you can do. You will have your issue fixed faster, and likely cost much less.

Quick Solution Alert! 🚗💡

You can read on, or get instant help with your issue. We have the best online mechanics, but before asking them, we recommend asking our AI mechanic first as it’s 100% FREE.

9 out of ten times the AI mechanic is able to help you solve the problem for free, and if it’s not, you can chat with a human mechanic on the next page anyway.  Try it for free below. 

Dead Battery in a Chevrolet Astra 

car wont start but battery is good
Image Credit: MechanicAnswer.com

The most common cause a Chevrolet won’t start is a dead or drained battery. Your battery delivers the initial jolt of electricity to crank the engine and get it running.

Signs of a dead battery:

  • Silence upon turning the key – no clicking or turnover
  • Electronics not powering on
  • Difficulty starting in cold weather

The Fix: Keep jumper cables on hand in case of a dead battery emergency. Jump starting your Chevrolet Astra using a good battery or portable charger can supply enough juice to get it started.

You can also try cleaning corroded battery terminals that are blocking a good connection. If problems persist, have your battery tested – it may need recharging if old.

Robby Recommends:

Portable Car Battery Jump Starter Charger - NOCO Boost Plus GB40

At Home Battery Charger - YONHAN - Fully Automatic

Jumper Cables by Energizer for Car Battery - Heavy Duty

NOCO Boost Plus GB40 1000A UltraSafe Car Battery Jump Starter

YONHAN Battery Charger Fully-Automatic

Energizer Jumper Cables for Car Battery, Heavy Duty

Faulty Alternator in a Chevrolet Astra 

is my alternator stopping my car from starting? If your battery checks out but your Chevy Astra still won’t crank, the culprit may be a faulty alternator. This key component charges your battery when running and powers the electrical system.

Signs of a bad alternator:

  • Battery warning indicator illuminating
  • Electronics dimming
  • Hard time starting, particularly following short trips

The Fix: Get your alternator checked immediately by a mechanic. A bad alternator can quickly drain your battery. This will need to be replaced by an experienced mechanic.

Faulty Spark Plugs in a Chevrolet Astra 

Auto mechanic and spark plug Spark plugs ignite the air/fuel ratio in the cylinders to run your car. When they are dirty, bad, or corroded, your Astra may not start due to no spark.

Clues of bad spark plugs:

  • Poor fuel economy
  • Rough idle
  • Engine sputtering

The Fix: Spark plugs need regular replacement as they degrade. Most last 30k+ miles. Have your plugs checked and change any faulty ones. Using quality gas helps avoid buildup.

Ignition System Issues in a Chevrolet Astra

My car wont start, is it a faulty ignition switch? Issues with parts like the switch, lock cylinder, fob, or wiring can prevent your Chevrolet from starting.

Symptoms of ignition trouble:

  • No noise upon turning key
  • Dashboard flickering
  • Key won’t turn

The Fix: For fob issues, try the battery. For other problems, have the system inspected and fixed professionally. If you need a new Chevy key fob you can get one online here.

Bad Starter in a Chevrolet Astra

Starter motor problems in car The starter motor engages when you turn the key to start the engine. If it’s damaged, your Chevy Astra may not crank.

Signs of a bad starter:

  • No noise upon turning key
  • Clicking but no turnover
  • Unusual grinding or whining

The Fix: Have your starter tested and replaced if faulty. This requires the help of a professional mechanic to diagnose and repair.

Not in Park or Neutral in a Chevrolet Astra

transmission not in park so car won't start If your gearbox isn’t in Park or Neutral, your Chevy’s safety features will prevent it from cranking.

The Fix: Shift into Park/Neutral and try again. If it only starts in one gear, you may have a faulty neutral safety switch needing repair. This will need to be repaired by a local mechanic near you.

Blocked or Clogged Fuel Filter in a Chevrolet Astra

my car wont start but clicks, could it be the fuel filter? A clogged fuel filter can constrain fuel flow to the engine, preventing your Chevrolet Astra from turning over.

Symptoms of a clogged filter:

  • Hard time starting
  • Engine misfiring
  • Decreased fuel economy

The Fix: Change the filter per your schedule or if suspected clogged. Use quality gas and change regularly. You can have a local mechanic repair this for you, or repair it yourself, maybe with the help and guidance of an online mechanic.

Faulty Fuel Pump in a Chevrolet Astra

faulty fuel pump The fuel pump draws gas from the tank to the engine. If it fails, your Chevrolet won’t start due to no fuel.

Symptoms of a bad pump:

  • No sound upon turning key
  • Hard time starting
  • Stalling after starting

The Fix: Have your pump tested. If faulty, a mechanic near you will need to replace it.

Low Engine Compression in a Chevrolet Astra

auto mechanic doing a tune up Proper compression is required to combust the air/fuel mixture. Low compression from leaks can lead to a no start.

Signs of compression issues:

  • Difficulty starting
  • Rough idle
  • Lack of power

The Fix: Testing can confirm low compression. For diagnostics and carrying out this repair, a local mechanic is usually needed and will have to replace the worn engine components.

Timing Belt Failure in a Chevrolet Astra

broken timing belt car The timing belt keeps the camshaft and crankshaft. If it breaks, the valves and pistons aren’t synchronized properly and your Chevy Astra won’t start.

Symptoms of a bad timing belt:

  • No start
  • Unusual clicking sound

The Fix: Have your belt inspected and fixed right away if broken. This requires a local professional mechanic to replace the timing belt of your Chevy Astra.

Loose or Detached Battery Cable in a Chevrolet Astra

122654fa c6ae 4f2a 98d9 84b95ea016ca A detached battery cable can disrupt electricity current in your Chevy. This common problem can prevent starting.

Signs of a bad cable:

  • Corroded terminals
  • Power loss from wiggling cables
  • Frayed wiring

The Fix: Scrub corroded terminals and tighten loose connections. Damaged cables need replacement. You can get expert Chevy mechanic advice and guidance online or with a local mechanic.

Faulty Relays in a Chevrolet Astra

faulty relay switch preventing car from starting Relays control power to components like the starter, fuel pump, and computer. Failure can prevent your Chevy Astra from starting or running right.

Identifying relay problems:

  • Swap relays to test
  • Have relays checked by a mechanic

The Fix: Faulty relays must be replaced, often after a larger diagnostic. You will likely need a local mechanic to diagnose if the faulty relay is preventing your Chevy from starting.

Empty Gas Tank

car wont start because of no fuel Running your tank completely empty can cause a no-start due to lack of fuel. This seems obvious however it often happens because of an inaccurate or broken fuel gauge.

The Fix: Keep your tank at least 1/4 full to avoid unexpected emptying. If issues persist, have your fuel sender unit checked by a professional mechanic.

Engine Flooding

Overfill fuel causing car to not start Sometimes an engine can flood with too much fuel, preventing starting due to wet spark plugs. This is most common in older carbureted engines.

The Fix: Press the gas pedal fully and crank briefly to clear the system so the plugs can spark. If problems continue, have the carburetor adjusted by a professional local mechanic.

Top 3 Ways To Get a Mechanics Help

Ask the mechanic With so many potential issues for a no start situation, it can be tough to identify the exact issue yourself. In some cases, getting help from an experienced mechanic can save you time and give you peace of mind.

These are the 3 ways to get a mechanic’s help in starting your Chevy again.

1. Local Auto Repair Garage Near You

Local Garage mechanics This is the regular way to get it repaired, however, it can be very wasteful in time and money, transporting your vehicle to them, plus expensive garage fees as they often have expensive overhead costs etc, that they have to pass on to the customer.

2. A Mobile Chevrolet Mechanic Near You

mobile mechanic to get my car starting again Having a qualified mobile mechanic come to your Chevrolet Astra and repair it on-site can be a great time and money saver. The best mobile mechanics we can recommend in the USA are RepairSmith and YourMechanic. We have recommended them thousands of times, and they both have great prices, services and coverage across most of the USA.

3. Chat with a Chevy Mechanic Online

when to ask a mechanic This is a great option for most DIYers or car aficionados. It’s frequently  an easy mend you can do on your own, like changing or powering up the battery. In these situations, if you understand what to do one step after another, you can do it on your own, you are not required to pay a mechanic on-site. Alright, it’s your fortunate day, an online mechanic can offer all the help, guidance, and advice you require, immediately by online chat. You can then perform the simple repair yourself.

The finest online mechanic we suggest is JustAnswer, and through our link, you can get a free trial of their assistance for just $5, inquire unlimited questions for a week, get the help you require, and you are not obligated to keep going with the service after that. We love JustAnswer for this reason, professional auto mechanic assistance for just $5 is an unbeatable price.

The certified mechanics at JustAnswer’s Ask a Mechanic service are ready 24/7 to provide online analysis and advice. The perks of querying a mechanic online include:

  • Convenience: Get help from your house without having to schedule an appointment or wait at a shop.
  • Fast answers; Mechanics reply quickly with possible causes and solutions based on your description.
  • Cost savings: Pay per question rather than full diagnostic fees – great for basic troubleshooting.
  • Documentation: All conversations are recorded in writing, providing helpful reference.
  • Expert assistance; Skilled licensed mechanics have the knowledge to troubleshoot Chevy Astra|Chevrolet Astra no starting issues with ease.

You will get matched with the best auto mechanic for your particular case, it doesn’t matter if it’s an Astra or your Chevrolet Astro won’t start, the expert Chevy mechanic you are paired with, will be the best for the job.

So next time you find yourself searching online for something like “Chevy won’t start“, consider our chat Chrevrolet service.  In just minutes, you can get expert Chevrolet knowledge to help get your beloved Astra started again.

FAQs (Frequently Asked Questions) When a Chevrolet Astra Won’t Start

Chevrolet Astra won’t start but lights come on?

If your Chevrolet Astras lights illuminate but it still won’t start, the issue is likely not related to the battery. More than likely there is a problem with the starter motor. Check to see if you hear any clicking noises when trying to turn the key. If so, the starter motor is trying to engage but failing. Have a mechanic inspect the starter motor – it may need to be fixed or swapped out.

Chevrolet Astra won’t start but has power?

When your Chevrolet Astra has power (lights, radio etc work) but fails to start, there may be a fuel delivery problem. Issues like a faulty fuel pump relay could stop fuel getting to the engine. Without enough fuel, combustion can’t happen and the engine won’t start. Listen near the back seat when cranking the key – you should hear the fuel pump prime for a few seconds. If not, get a mechanic check the fuel system.

Chevrolet Astra won’t start but battery is fine?

If your Chevrolet Astra’s battery checks out OK and is fully charged, but the car still refuses to start, the underlying cause is likely electrical. Possible issues include a bad ignition switch, broken sensor, or wiring problems. As electrical issues can be tricky, diagnosis by a professional mechanic is best. They can correctly pinpoint the specific electrical fault and have it repaired.

Chevrolet Astra won’t start just clicking?

When you turn the key and there’s only a clicking noise but the engine doesn’t crank, the most common cause is a faulty starter motor. The click comes from the starter solenoid attempting to activate the starter motor, but the motor itself fails to spin up the engine. As the starter motor needs physical fixing or swapping out, seek help from a reliable mechanic to get your Chevrolet Astra running again.

Why is my Chevrolet Astra car not cranking but I have power?

If your Chevrolet Astra won’t start but the lights and electronics power on, the most likely culprits are problems in the starter system, ignition switch, or neutral safety switch. Faulty ignition components prevent the engine from cranking even when battery power is present.

Why does my Chevrolet Astra have power but doesn’t crank?

When your Chevrolet Astra has power to the electronics and dashboard but won’t crank when turning the key, the problem is often a bad starter motor or related wiring problem. This prevents the starter from engaging to turn the engine over for starting.

What would make my Chevrolet Astra car suddenly not start?

Sudden no-start issues can occur from loose battery cables, fuel pump or relay failure, broken timing belt, or an empty gas tank. These critical problems can arise without warning and prevent your Chevrolet Astras engine from starting.

Why won’t my Chevrolet Astra car start but the battery is fine?

With a good battery, the culprit may be a bad alternator not charging the system, bad spark plugs providing no ignition, or a fuel flow issue preventing combustion. Your Chevy’s engine needs air, fuel, compression and spark to run.

What are signs your Chevrolet Astra starter is bad?

Symptoms of a bad starter include no noise upon turning the key, a single click but no turnover, unusual grinding sounds, and difficult cranking. These indicate starter failure and the need for replacement by a local mechanic.

Why won’t my Chevrolet Astra start but battery and alternator are good?

If the battery and alternator check out, common causes are bad spark plugs, clogged fuel filter, blown fuse, immobilizer problem, and starter relay failure. Complete testing of all electrical and fuel systems are needed by a qualified local mechanic.

Interesting Facts About the Chevrolet Astra

Did you know that the Chevrolet Astra was actually designed and manufactured by Opel, a German automaker, and was sold under the Chevrolet brand in various Latin American markets? It’s like a little piece of Europe right in your own garage! And get this – the Astra was the first car in its class to offer an optional airbag for the driver, way ahead of its time in terms of safety features. Plus, it’s got a sleek and sporty design that’s sure to turn heads on the road. No wonder you’re having trouble getting it started – everyone wants a piece of the action!

Which Mechanic Suits You?

  1. Chat with an Online Mechanic to get instant, unlimited help and advice for 1 full week, for just $5.
  2. Get in-person help from a Mobile Mechanic Near You. They will come to you and fix your vehicle at a time that suits you. If there are none near you, you will be redirected to the online mechanic.

Which Mechanic Suits You?

  1. Chat with an Online Mechanic to get instant, unlimited help and advice for 1 full week, for just £5.
  2. Get help from a Mobile Mechanic. We  recommend Fixter. They will come to you and fix your vehicle at a time that suits you. Instant free quote online below. We recommend the online mechanic first, as it’s cheaper for you, and you may not need an in-person mechanic.

Which Mechanic Suits You?

  1. Chat with an Online Mechanic to get instant, unlimited help and advice for 1 full week, for just $5.
  2. Get in-person help from a Mobile Mechanic. We recommend YourMechanic. They will come to you and fix your vehicle at a time that suits you. Instant free quote online below. We recommend the online mechanic first, as it’s cheaper, and you may not need an in-person mechanic.

Choose Your Mechanic

1. Chat with A.I. Mechanic (Robot Robby)
  • Free 7-day trial
  • A.I. Mechanic that is trained by our human mechanic writers. As helpful as a human mechanic for expert advice, troubleshooting, and repair guidance.
2. Chat with a Human Mechanic Online
  • Join for just $5, and $39/month. Cancel anytime
  • Real human ASE-certified mechanics available 24/7

Which Mechanic Suits You?

  1. Chat with an Online Mechanic to get instant, unlimited help and advice for 1 full week, for just $5.
  2. Get in-person help from a Mobile Mechanic Near You. They will come to you and fix your vehicle at a time that suits you. If there are none near you, you will be redirected to the online mechanic.

Which Mechanic Suits You?

  1. Chat with an Online Mechanic to get instant, unlimited help and advice for 1 full week, for just £5.
  2. Get help from a Mobile Mechanic. We  recommend Fixter. They will come to you and fix your vehicle at a time that suits you. Instant free quote online below. We recommend the online mechanic first, as it’s cheaper for you, and you may not need an in-person mechanic.

Which Mechanic Suits You?

  1. Chat with an Online Mechanic to get instant, unlimited help and advice for 1 full week, for just $5.
  2. Get in-person help from a Mobile Mechanic. We recommend YourMechanic. They will come to you and fix your vehicle at a time that suits you. Instant free quote online below. We recommend the online mechanic first, as it’s cheaper, and you may not need an in-person mechanic.

Where Can I Find My VIN?

Your vehicle’s unique Vehicle Identification Number (VIN) can be found on the title document, the vehicle registration, and the insurance policy. It is a series letters and numbers like this as example: WAUGC0896JA235262. The VIN can also be located on the following locations on the vehicle itself:

how to find VIN on vehicle