Sitting in your idle Chevy, turning the key, and hearing nothing but silence can be very aggravating. A Chevy that fails to start leaves you stranded and clueless about the issue. The good news is that a number of familiar culprits make a Corsas fail to start, and you can fix a lot of them yourself or with a mechanic's assistance.
In this comprehensive guide, we're going to look at the top 14 causes your Chevrolet Corsa won't start and offer helpful tips to get your car started again.
The most common cause a Chevy won't start is a dead or weak battery. Your battery provides the initial burst of electricity to turn over the engine and get it running.
Signs of a dead battery:
- Silence upon turning the key – no engine cranking
- Electronics not powering on
- Hard time starting in cold weather
The Fix: Keep jumper cables on hand for a dead battery situation. Jump starting your Chevy Corsa using a good battery or portable charger can supply enough charge to get it started.
You can also clean dirty battery terminals if they prevent a good connection. If problems persist, have your battery tested – it may need recharging if worn out.
If your battery tests fine but your Chevrolet Corsa still won't crank, the culprit may be a faulty alternator. This vital part charges your battery while driving and powers the electrical system.
Signs of a bad alternator:
- Battery warning indicator illuminating
- Lights fading
- Difficulty starting, particularly following short trips
The Fix: Get your alternator checked right away by a mechanic. A bad alternator can quickly drain your battery. This will need to be replaced by an experienced mechanic.
Faulty Spark Plugs
Spark plugs ignite the fuel/air mixture in the cylinders to power your car. When they are fouled or worn out, your Corsa may not start due to no spark.
Clues of bad spark plugs:
- Poor fuel economy
- Rough idle
- Engine misfiring
The Fix: Spark plugs need regular replacement as they wear out. Most last 30k+ miles. Have your plugs inspected and swap any faulty ones. Using quality gas prevents buildup.
Problems with ignition components like the switch, lock cylinder, fob, or wiring can prevent your Chevy from cranking.
Signs of ignition trouble:
- No noise upon turning key
- Instrument panel flickering
- Key won't turn
The Fix: For fob issues, replace the battery. For other problems, have the system inspected and repaired professionally. If you need a new Chevy key fob you can get one online here.
The starter motor engages when you turn the key to crank the engine. If it's worn out, your Chevy Corsa may not crank.
Signs of a bad starter:
- No noise upon turning key
- Clicking but no turnover
- Unusual noises
The Fix: Have your starter tested and repaired if faulty. This requires the help of a professional mechanic to diagnose and repair.
Not in Park or Neutral
If your transmission isn't in Park or Neutral, your Chevrolet's safety features will prevent it from starting.
The Fix: Shift into Park/Neutral and try once more. 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.
Clogged Fuel Filter
A clogged fuel filter can restrict fuel flow to the engine, preventing your Chevy Corsa from starting.
Symptoms of a clogged filter:
- Hard time starting
- Engine misfiring
- Decreased fuel economy
The Fix: Change the filter when due or if thought 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.
Bad or Failing Fuel Pump
The fuel pump delivers gas from the tank to the engine. If it fails, your Chevy won't start due to no fuel.
Signs of a bad pump:
- No pump noise upon turning key
- Hard time starting
- Stalling when running
The Fix: Have your pump tested. If faulty, a mechanic near you will need to replace it.
Proper compression is required to combust the air/fuel mixture. Low compression from damage can lead to a no start.
Symptoms 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.
Broken Timing Belt
The timing belt synchronizes the camshaft and crankshaft. If it snaps, the valves and pistons won't be timed properly and your Chevy Corsa won't start.
Signs of a bad timing belt:
- No start
- Unusual ticking noise
The Fix: Have your belt inspected and replaced immediately if broken. This requires a local professional mechanic to replace the timing belt of your Chevy Corsa.
Detached or Loose Battery Cable
Signs of a bad cable:
- Corroded terminals
- Power loss from moving cables
- Frayed wiring
The Fix: Clean 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.
Relays control power to components like the starter, fuel pump, and computer. Failure can prevent your Chevy Corsa from starting or running right.
Diagnosing 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
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.
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 flush 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
With so many potential issues for a no start situation, it can be tough to pinpoint the exact problem yourself. In some cases, seeking aid from an experienced mechanic can be time-saving 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
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 Mechanic Near You
Having a qualified mobile mechanic come to your Chevy 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.
In the UK the best mobile mechanic we can recommend is Fixter, they will come pick up your car, take it get repaired, and deliver it back to you. You can get an instant free quote on their official websites by clicking the name. We have tested, vetted, and can heartedly recommend each of these services to get your Chevy Corsa|Chevrolet Corsa starting again ASAP.
3. Chat with a Chevy Mechanic Online
This is a fantastic option for most DIYers or car buff. It's often a straightforward repair you can do yourself, like replacing or charging the battery. In these instances, if you are aware of what to do step by step, you can do it on your own, you do not have to pay a mechanic on-site. Alright, it's your lucky day, an online mechanic can supply all the help, advice, and advice you require, right away by online chat. You can then carry out the simple repair yourself.
The top online mechanic we propose is JustAnswer, and through our link, you can get a free trial of their service for just $5, request endless questions for a week, get the assistance you require, and you do not need to continue the service after that. We adore JustAnswer for this reason, specialist auto mechanic help for just $5 is an unbeatable price.
The qualified mechanics at JustAnswer's Ask a Mechanic service are accessible 24/7 to provide online analysis and recommendations. The advantages of querying a mechanic online are:
- Convenience: Get help from the comfort of your residence without having to schedule an appointment or wait at a shop.
- Fast replies; Mechanics respond rapidly with likely issues and solutions based on your description.
- Cost savings: Pay per question rather than full diagnostic fees – great for basic troubleshooting.
- Documentation: All conversations are logged in writing, providing helpful reference.
- Expert knowledge; Skilled licensed mechanics have the expertise to troubleshoot Chevy Corsa|Chevrolet Corsa 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 a Corsa or your Chevrolet Corsica 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 “Chevrolet wont start because of alarm“, consider our Chrevrolet mechanic live chat service. In just minutes, you can leverage expert Chevrolet knowledge to help get your beloved Corsa starting again.
FAQs (Frequently Asked Questions)
Why is my Chevy car not cranking but I have power?
If your Chevrolet won't start but the accessories and dashboard power on, the most likely causes are issues with the starter motor, ignition switch, or neutral safety switch. Faulty ignition components prevent the engine from turning over even when battery power is present.
Why does my Chevy have power but doesn't crank?
When your Chevy has power to the electronics and dashboard but won't crank when trying to start, the problem is often a bad starter system or related wiring problem. This prevents the starter from activating to turn the engine over for starting.
What would make my Chevy car unexpectedly not start?
Unexpected no-start issues can happen from loose battery cables, fuel pump or relay failure, broken timing belt, or an empty gas tank. These critical issues can arise without warning and prevent your Chevy's engine from starting.
Why won't my Chevy car start but the battery is fine?
With a good battery, the problem may be a faulty alternator not charging the system, bad spark plugs providing no ignition, or a fuel delivery issue preventing combustion. Your Chevy's engine needs air, fuel, compression and spark to run.
What are symptoms your Chevy starter is bad?
Symptoms of a bad starter include no noise upon turning the key, a single click but no turnover, unusual grinding noises, and slow/labored cranking. These indicate starter failure and the need for replacement by a local mechanic.
Why won't my Chevy car start but battery and alternator are good?
If the battery and alternator check out, common culprits are bad spark plugs, clogged fuel filter, blown fuse, immobilizer problem, and starter relay failure. Complete diagnostics of all electrical and fuel systems is needed by a qualified local mechanic.