Why Does My Jeep Wrangler Won’t Start But Has Power?
Safeguarding your Jeep Wrangler requires a lot of preparation and maintenance. Jeep Wranglers are among the most reliable vehicles available, but now and then something can go wrong with them. One common issue Jeep owners experience is when their Jeep won’t start despite having power.
Quick Answer: Your jeep wrangler won’t start but has power can be caused by a damaged starter, faulty crankshaft position sensors, clogged fuel injectors, malfunctioning fuel pumps, and damaged spark plugs.
If you’re struggling to figure out why Jeep Wrangler won’t start but has power, you’ve come to the right place. We’ll explore why this happens and uncover some common fixes so you can get back out on the open road with your Jeep in no time.
Why Does Jeep Wrangler Won’t Start But Has Power?
Jeep Wranglers are no strangers to problems, yet they remain one of the most dependable vehicles on the market. Jeep owners often face issues with their vehicles starting, even when there is power in the engine. The Jeep could have a bad crankshaft position sensor, blocked fuel injectors, a damaged starter, faulty spark plugs, or a faulty fuel pump.
5 Fix For Jeep Wrangler Won’t Start But Has Power:
Faulty Spark Plugs
Faulty Spark Plugs are the most common cause of Jeep Wrangler Won’t Start But Has Power problems. If your spark plugs are not functioning correctly, they will not be able to provide enough power to start your Jeep. Replacing them must resolve this problem if it is caused by a faulty spark plug.
If you attempt to replace them yourself, remember that spark plugs are delicate components and should be handled with care. If the Jeep Wrangler Won’t Start But Has a Power issue caused by something else, you must visit a local Jeep dealer or certified repairs mechanic to diagnose it.
New spark plugs typically cost less than $100, and replacement Jeep Wrangler spark plugs fall into that range at $258-$305. In addition to the parts themselves, expect to pay between $165 and $208 in labor charges.
Faulty Fuel Pump
All cars and trucks have fuel pumps that transfer fuel to the engine. The pressure generated by the pump allows injectors to pour fuel through the engine.
The electric-powered pump is often located in the gas tank. If your Jeep Wrangler’s pump isn’t working, then it won’t run.
A malfunctioning fuel pump cannot transport gasoline from the tank to the engine. As well, without this key component, the car won’t start at all.
Fortunately, you can buy a new fuel pump online for models 2007-2008 Jeep Wrangler V6 3.8L.
Depending on the type of Jeep Wrangler you drive and its age, it would cost anywhere from $220 to $1,062 to replace the fuel pump. Labor costs would range from $124 to $260.
Faulty Crankshaft Position Sensor: Replace
This sensor is responsible for sending data to the engine control unit (ECU) so that it can ignite a spark at the ideal time and burn fuel efficiently. If this data is inaccurate or not present, the engine will not start.
A crankshaft position sensor needs to be installed and calibrated to make sure that the information gets from the ECU so it can create a spark. Crankshaft sensors cost between $120 and $300 for those who need a replacement.
The new part will cost you $75-$120, and the labor will set you back another $45-$180. If a faulty sensor is to blame for your problem, replacing the crankshaft position sensor should take care of it.
Blocked Fuel Injectors
Blocked fuel injectors can prevent Jeep Wranglers from starting. Blocked fuel injectors occur when hydrocarbons, silt, and other substances in the fuel clog up the fuel injection system. Ethanol also contributes to this problem by absorbing moisture from the air and turning it into fuel that further blocks up the system.
This blockage can prevent the right quantity of fuel from entering the engine chambers, thus causing Jeep Wranglers to not start even though they have power.
The best way to fix this problem is by cleaning the injectors using fuel injector cleaners. However, if the debris has caused damage to the injectors, then it will be necessary to replace the damaged injector.
Jeep Wrangler owners can purchase replacement fuel injectors specifically designed for Jeep Wranglers of the 1999-2004 Jeep Cherokee Grand Cherokee Wrangler 4.0L model. The cost of replacing these fuel injectors ranges from $350-$850 depending on the number of cylinders in the Jeep.
Damaged Starter
One of the most common reasons why Jeep Wranglers won’t start but has power is because the starter is damaged. A damaged starter will prevent the Jeep from turning over and starting up.
This can be caused by several factors such as a problem with one of its components, corroded terminals, loose mounting bolts, or excessive hydrogen gas.
The components in the starter can be damaged by dirt and debris that accumulates over time. This will reduce the connectors’ ability to carry alternating energy to the starter motor, resulting in Jeep not starting.
A loose mounting bolt is another common cause of a Jeep not starting that stops the starter motor and flywheel from working together.
Excessive hydrogen gas is also a factor in Jeep not starting. The Jeep battery will create this gas over time and it can reach the terminals, corroding them and blocking the flow of electricity to the starter motor.
If any of these problems are present, then it may be necessary to replace the starter motor to get your Jeep running again. Costs may range from $50 to $350 for the starter itself, plus labor costs of $150 to $350. Replacing a bad starting motor can cost between $200 and $1,450.
To help prevent the Jeep not starting due to a damaged starter, it is important to maintain the Jeep regularly and check for any signs of wear or damage. Taking the Jeep for regular services is also a good idea to help keep it running smoothly. Keeping up with regular maintenance will help extend the life of your Jeep’s starter motor and avoid costly repairs and replacements.
Most Asked Questions
What causes Jeep Wranglers to not start even though they have power?
Jeep Wranglers not starting even though they have power may be caused by blocked fuel injectors, damaged starter components, corroded terminals, loose mounting bolts, or excessive hydrogen gas.
How much does it cost to replace the fuel injectors in a Jeep Wrangler?
The cost of replacing fuel injectors in Jeep Wranglers ranges from $350-$850 depending on the number of cylinders.
How can I prevent Jeep Wranglers from not starting due to a damaged starter?
Keeping up with regular maintenance and taking the Jeep for regular services is important to help keep it running smoothly. Checking for any signs of wear or damage and replacing any worn or damaged parts is also a good idea. This will help extend the life of your Jeep’s starter motor and avoid costly repairs and replacements.
How much does it cost to replace the Jeep Wrangler’s starter motor?
Replacing a Jeep Wrangler’s bad starter motor can cost between $200 and $1,450. The cost of the starter itself may range from $50 to $350 and labor costs may range from $150 to $350.
How long ought a starter run?
Usually, a starter without any issues should last around 80,000 starts. However, starters usually last longer in hotter climates. Though car troubles are more likely to occur on the worst day of the year when you need your Jeep the most.
Conclusion
The Jeep Wrangler is an excellent off-road vehicle, but it can have starting problems from time to time. Be patient and take some time to troubleshoot the problem so you can get back on the road again.
Some of the issues might be easy to fix, while others may require some more work. Regardless, getting your Jeep Wrangler running again is worth the effort so you can enjoy its legend.
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