Why does my Chevy Malibu crank but not start?

If your Malibu isn’t getting enough fuel, or any fuel at all, it may have a bad fuel filter, bad fuel pump, or bad fuel injectors. Without the proper amount of fuel getting into the combustion chamber, the Malibu will crank, but not start. 2. Ignition Issues One of the biggest issues that causes a vehicle to crank but not start is ignition issues.

How do you test a bad fuel pump?

Removing the fuel line that connects to the fuel injector rail (this is the one that delivers fuel from the fuel filter) and place it in a container. When ready, have your helper bump the starter motor while you verify if fuel comes out or not. No fuel coming out of the fuel line further confirms a bad fuel pump.

How to test the fuel pump in a mini van?

This is due to the fact that GM has included a Schrader valve on the fuel rail to which you and I can attach a fuel pressure gauge to. Using a fuel pressure gauge to make sure that enough fuel is reaching the fuel injectors is the most accurate way to diagnose the fuel pump in your car or mini-van.

What causes no start on a GM 3.1L?

I’m going to show you two different methods to verify if the no start condition on your 3.1L or 3.4L GM vehicle is due to a lack of fuel, which usually means that the fuel pump has gone bad. One method involves using just starting fluid and the other involves using a fuel pressure gauge.

How to reset the anti theft system on a Chevy Malibu?

55 people found this helpful. If starter cranks engine but it won’t start and “anti-theft system” light on dash is blinking then the anti-theft system is preventing fuel from reaching the engine. Just turn the ignition key to on position and wait for approx. 10 minutes and the blinking anti-theft will go off.

What’s the warranty on a 2010 Chevy Malibu?

@Ken, on page 8-8 of the 2010 Chevrolet Malibu owner’s manual it reads that the Roadside Assistance program is provided for up to 5 years or 100,000 miles whichever happens first. I recommend contacting them and having the vehicle towed. This might be something covered under the Powertrain warranty.

Why is my car no crank no start?

Intermittent No Crank No Start. A customer or technician may comment on the above condition. This could be the result of any of the following: Misadjusted or damaged transmission shift cable. Park Neutral (PN) switch installation or internal failure.

Why does my Chevy Malibu not turn over?

My 2001 Malibu would not crank. It would turn over but would not crank, as if it wasn’t getting fuel. I had this issue about a month ago and my friend changed plugs and wires, checked compression (good), and fuel system (good).

Can a bad crankshaft sensor cause a cylinder to misfire?

Should you feel or hear a brief stutter in the engine, it may be a sign of misfiring cylinders from a bad crankshaft position sensor. A failing crankshaft position sensor cannot provide the right information about piston positioning in the engine, causing a cylinder to misfire.

What happens when the crankshaft position sensor goes bad?

If the computer detects a problem with the crankshaft position sensor’s signal, it will activate the Check Engine Light to alert the driver of the problem. A Check Engine Light can also be set off by a wide variety of other issues. Having the computer scanned for trouble codes is highly recommended. 4. Uneven Acceleration

Why does my car not start when I change the cam sensor?

Most of the time, this code comes up when there is a difference between the crank and cam sensors. The most common failure is the crankshaft position sensor. These fail much more frequently than the cam sensor and will cause a no start. It can also occur if the timing belt broke or jumped a tooth.

How does an injector work on a PCM?

Injectors do run off both crank and cam sensors, but mostly off the cam. And when the cam sensor does fail, The PCM goes into default mode, using the last stored run. Just a note… when you find the injector fuse pull it out, sometimes fuses just loose connection. You can’t post conmments that contain an email address.

Can a failed crank sensor cause no start?

The thing to remember about having a failed crank sensor, is that if you have spark or fuel injector pulses, the crank sensor is OK and not the cause of your No Start Condition. The crankshaft position sensor, on your 4.8L, 5.3L, 6.0L GM vehicle, is a Hall-Effect three wire crankshaft position sensor.

Can a bad camshaft sensor cause an engine to not start?

If you cannot generate a spark, then you cannot start your engine. You might not immediately assume the camshaft position sensor is to blame for an engine that won’t start. But if you take your vehicle to a repair shop, do not be surprised if the mechanic tells you that the camshaft position sensor is to blame.

What happens if crankshaft sensor fails GM 4.8L?

If the crankshaft position (CKP) sensor fails, in your 4.8L, 5.3L or 6.0L GM vehicle, it’s not gonna’ start. In this article, I’ll show you how to test it using a multimeter (in Volts DC mode).

Why does my Hyundai Getz crank but not start?

Check the spark. Without spark to ignite the fuel mix in the combustion chamber, the engine will not start. It will turn over or “crank over” but will never actually run. Spark issues are not limited to the plugs. Check the spark plug wires, the distributor or module, and plug gap.

Why does my car not start when I crank the engine?

If the engine doesn’t crank, or makes an unusual noise when cranking, you may have a starting system problem. The car’s security system may have made an error that disabled the fuel or ignition system, or the chip in the key may have failed.

Is there a problem with my Chevy Malibu?

Problem Description: When I turn the car over to start, I get nothing. All the guages on the dash and all go off, but there’s no crank, no sound, nothing. When I turn back from start to on, all the guages, radio, etc power back on. All the electronics turn on and get good power in the on position lights, radio, windows, etc.

What to look for when your engine won’t start?

Check for a blown fuse that may be preventing a circuit from working properly, like the fuel injection or computer system. To operate efficiently, an internal combustion gasoline engine needs a good spark, the right amount of fuel, and good compression (a healthy mechanical condition).

Why is the fuel filter on my Chevy Malibu not working?

The fuel filter of your Malibu does not wear out like a mechanical part, but it gets clogged by dirt and airborne particles and clogs over time. The permeability of the filter drops, and so does the fuel pressure.

How can you tell if your Chevy Malibu fuel pump is bad?

One of the best indicators of a clogged fuel pump is going to be that the your Malibu is difficult to start. This because there’s not enough fuel pressure to properly atomize the fuel as it enters the combustion chamber.

What happens when there is no spark in the engine?

When there is no spark, the engine will not start. You’ll probably have a misfire related code such as P0300, P0301, etc….. Ignition issues can be caused by many things, including bad spark plugs, bad coil packs, bad plug wires, computer issues, and more.

What does a bad fuel pump sound like?

One of the most common signs that a fuel pump is going bad is a whining sound. The whining sound can indicate that the fuel pump is going out before there are any performance based issues. Keeping an open ear can save you from getting stuck somewhere with a bad fuel pump. It’ll sound like a low frequency buzzing sound.

What causes a car to not start with no gas?

Problem may be at wiring connector on top of fuel tank (hard to reach!). No gas in fuel tank (Check the fuel gauge, and keep in mind the gauge may not be reading accurately). Bad gas (Contaminated with water or too much alcohol or diesel fuel). If you just filled up with gas and now your car won’t start, suspect bad gas.

What should I do if my fuel pump won’t start?

Put your ear next to it, and have a friend turn the key to the “on” position. The fuel pump should prime for about three seconds. There should be an audible whine like the one in the video above. If not, your fuel pump may not be getting power or it may just be dead. Our pump exhibited no noise.

Why is my engine not getting enough fuel?

Sometimes, if your engine isn’t getting enough fuel, the culprit could be your fuel pressure regulator, a fuel leak, a clogged fuel filter, or clogged injectors. But most of the time, it’s the fuel pump. The fuel pump can usually be checked fairly easily. First, identify your fuel pump location.

Why does my Chevy Malibu crank but not start?