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 stuck on the side of the road trying to figure out the problem. The good news is that a number of familiar culprits make a Trans Sports 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 fourteen most common causes your Chevrolet Trans Sport doesn't start and offer useful suggestions to get your car started again.
Drained or Dead Battery
The most common cause a Chevrolet 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 started.
Indications of a dead battery:
- Silence upon turning the key – no engine cranking
- Accessories 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 Chevy Trans Sport using another vehicle or portable charger can deliver enough juice to get it started.
You can also try cleaning corroded 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 checks out but your Chevy Trans Sport still won't crank, the culprit may be a bad alternator. This key component charges your battery while driving and energizes the electrical system.
Clues of a bad alternator:
- Battery warning light coming on
- Electronics dimming
- Hard time starting, especially after short trips
The Fix: Get your alternator inspected 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 air/fuel ratio in the cylinders to power your car. When they are fouled or worn out, your Trans Sport 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 degrade. Most last 30k+ miles. Have your plugs checked and change any bad ones. Using quality gas helps avoid buildup.
Problems with ignition components like the switch, lock cylinder, fob, or wiring can prevent your Chevy 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.
The starter motor engages when you turn the key to crank the engine. If it's worn out, your Chevy Trans Sport 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
If your gearbox isn't in Park or Neutral, your Chevrolet's safety features will prevent it from starting.
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
A blocked fuel filter can restrict fuel delivery to the engine, preventing your Chevrolet Trans Sport from turning over.
Symptoms of a clogged filter:
- Hard time 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
- Difficulty 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.
Timing Belt Failure
The timing belt keeps the camshaft and crankshaft. If it snaps, the valves and pistons won't be timed properly and your Chevrolet Trans Sport won't start.
Symptoms of a bad timing belt:
- No start
- Unusual clicking sound
The Fix: Have your belt checked and fixed right away if broken. This requires a local professional mechanic to replace the timing belt of your Chevy Trans Sport.
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 Trans Sport 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
Running your tank bone dry 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 challenging to determine the exact issue yourself. In some cases, seeking help 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 Trans Sport|Chevrolet Trans Sport starting again ASAP.
3. Chat with a Chevy Mechanic Online
This is a fantastic possibility for most DIYers or car buff. It's often a straightforward mend you can do yourself, like switching out or recharging the battery. In these cases, if you understand what to do one step after another, you can do it on your own, you do not have to pay a mechanic locally. Alright, it's your fortunate day, an online mechanic can supply all the help, advice, and recommendations you require, instantly by online chat. You can then perform the easy repair yourself.
The best online mechanic we propose is JustAnswer, and through our link, you can get a free trial of their assistance for just $5, inquire unlimited inquiries for a week, get the assistance you need, and you are not obligated to keep going with the assistance after that. We adore JustAnswer for this purpose, expert auto mechanic help for just $5 is an unmatchable price.
The certified mechanics at JustAnswer's Ask a Mechanic service are ready 24/7 to provide virtual troubleshooting and recommendations. The perks of asking a mechanic online include:
- Convenience: Get help from home without having to schedule an appointment or wait at a shop.
- Fast replies; 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 recorded in writing, providing helpful reference.
- Expert help; Skilled licensed mechanics have the know-how to solve Chevy Trans Sport|Chevrolet Trans Sport 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 Trans Sport or your Chevrolet Traverse 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 starts when jumped but wont start again“, consider our Chrevrolet mechanic advice service. In just minutes, you can access expert Chevrolet knowledge to help get your beloved Trans Sport starting again.
FAQs (Frequently Asked Questions)
Why is my Chevy car not cranking but I have power?
If your Chevrolet doesn't crank but the accessories and dashboard come on, the most likely causes 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 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 motor or related wiring problem. This prevents the starter from activating to turn the engine over for starting.
What would make my Chevy car suddenly 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 problems 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 delivery 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 noises, and difficult 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, blocked fuel filter, blown fuse, immobilizer problem, and starter relay failure. Thorough diagnostics of all electrical and fuel systems is needed by a qualified local mechanic.