The silence that fills your inactive Chevy when you turn the key and it won't start can be extremely annoying. A Chevy that fails to start will leave you stranded and clueless about the issue. The good news is that a number of familiar culprits make a Masters fail to start, and you can fix a lot of them yourself or with a mechanic's assistance.
In this comprehensive guide, we will examine the top 14 causes your Chevy Master doesn't start and provide useful tips to get your car started again.
The most common reason a Chevy won't start is a dead or weak battery. Your battery provides the initial jolt of electricity to turn over the engine and get it started.
Signs of a dead battery:
- Silence upon turning the key – no engine cranking
- Electronics not powering on
- Difficulty starting in cold weather
The Fix: Keep jumper cables available for a dead battery situation. Jump starting your Chevrolet Master using another vehicle or portable charger can supply enough juice to get it cranked.
You can also clean corroded battery terminals that are blocking a good connection. If problems persist, have your battery tested – it may need recharging if worn out.
If your battery checks out but your Chevrolet Master still won't crank, the culprit may be a bad alternator. This key component charges your battery when running and energizes the electrical system.
Signs of a bad alternator:
- Battery warning indicator illuminating
- Electronics dimming
- Difficulty starting, especially after short trips
The Fix: Get your alternator inspected immediately by a mechanic. A bad alternator can rapidly deplete your battery. This will need to be replaced by an experienced mechanic.
Faulty Spark Plugs
Spark plugs fire the fuel/air mixture in the cylinders to power your car. When they are dirty, bad, or corroded, your Master may not start due to no spark.
Signs of bad spark plugs:
- Poor fuel economy
- Rough idle
- Engine sputtering
The Fix: Spark plugs need periodic replacement as they wear out. Most last 30k+ miles. Have your plugs inspected and change any bad ones. Using quality gas prevents buildup.
Ignition System Issues
Problems with parts like the switch, lock cylinder, fob, or wiring can prevent your Chevrolet from cranking.
Signs of ignition trouble:
- No noise upon turning key
- Dashboard flickering
- Key won't turn
The Fix: For fob issues, replace the battery. For other problems, have the system diagnosed 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 start the engine. If it's damaged, your Chevrolet Master may not turn over.
Signs of a bad starter:
- No noise upon turning key
- Clicking but no cranking
- Unusual noises
The Fix: Have your starter inspected and replaced if faulty. This requires the help of a professional mechanic to diagnose and repair.
Transmission Not in Park/Neutral
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 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 blocked fuel filter can restrict fuel flow to the engine, preventing your Chevrolet Master from turning over.
Symptoms of a clogged filter:
- Difficulty starting
- Engine sputtering
- Decreased fuel economy
The Fix: Replace the filter per your schedule or if thought clogged. Use quality gas and replace often. 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
The fuel pump transfers 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 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.
Low Engine Compression
Proper compression is needed to combust the air/fuel mixture. Low compression from worn parts can cause 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
The timing belt keeps the camshaft and crankshaft. If it snaps, the valves and pistons aren't synchronized properly and your Chevy Master won't start.
Signs of a bad timing belt:
- No start
- Unusual ticking noise
The Fix: Have your belt checked and replaced immediately if broken. This requires a local professional mechanic to replace the timing belt of your Chevy Master.
Detached or Loose Battery Cable
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.
Relays control power to components like the starter, fuel pump, and computer. Failure can prevent your Chevy Master 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.
Low Fuel or Empty 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 causes for a no start issue, it can be challenging to identify the exact issue yourself. In some cases, seeking assistance 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
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 Master|Chevrolet Master starting again ASAP.
3. Chat with a Chevy Mechanic Online
This is a superb possibility for most DIYers or car enthusiasts. It's many times an easy fix you can do yourself, like switching out or charging the battery. In these situations, if you know what to do in a stepwise fashion, you can do it on your own, you do not have to pay a mechanic on-site. Alright, it's your fortunate day, an online mechanic can supply all the help, advice, and advice you require, immediately by online chat. You can then carry out the straightforward mend yourself.
The best online mechanic we propose is JustAnswer, and through our link, you can get a free trial of their service for just $5, request unlimited questions for a week, get the assistance you need, and you don't have 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 licensed mechanics at JustAnswer's Ask a Mechanic service are ready 24/7 to provide remote diagnostics and advice. The benefits 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 answers; Mechanics respond quickly with potential reasons 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 help; Skilled licensed mechanics have the expertise to troubleshoot Chevy Master|Chevrolet Master 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 Master or your Chevrolet Matiz 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 cranks but wont start check engine light on“, consider our talk to Chrevrolet mechanic online free service. In just minutes, you can leverage expert Chevrolet knowledge to help get your beloved Master 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 lights and electronics come on, the most likely causes are issues with the starter motor, ignition switch, or neutral safety switch. Faulty ignition components prevent the engine from cranking even when battery power is present.
Why does my Chevy have power but doesn't crank?
When your Chevy has power to the lights and accessories 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 Chevy car unexpectedly not start?
Unexpected no-start issues can happen from disconnected 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 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 Chevy starter is bad?
Symptoms of a bad starter include no noise when 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 doesn't my Chevy car start but battery and alternator are good?
If the battery and alternator check out, common culprits are bad spark plugs, blocked fuel filter, blown fuse, immobilizer problem, and starter relay failure. Complete testing of all electrical and fuel systems is needed by a qualified local mechanic.