Question about 2004 Chevrolet Malibu

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2004 malibu classic had theft system replaced about 6 months ago. Put new fuel pump in but will not crank.

Replaced fuel pump and had theft system replaced about six months ago.

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  • Chevrolet Master
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Hi Rita, What are you saying here , your engine turns over or not ? No Crank No Start Diagnosis EricTheCarGuy

Posted on Jan 19, 2015


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  • 2 Answers


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Posted on Jan 02, 2017



  • 182 Answers

SOURCE: 2004 ranger fuel pump

did you replace the fuel filter as well

Posted on Sep 28, 2008


  • 11 Answers

SOURCE: i replaced it and the car will start

Try what we call a hard boot to the pcm. Disconnect the positive cable wire from the battery, enable the anti-thift system and than connect the positve cable back to the battery and see if that works

Posted on Apr 29, 2009


  • 564 Answers

SOURCE: car cranks but doesn't start, no fuel pump sounds

have u ck spark,,fuel pump reley,,

Posted on Jan 31, 2010



  • 677 Answers

SOURCE: 2004 Ford 6.0 will crank but won't start.

These 6.0 diesels had bad injectors to start with, so I would definently have those checked, how many miles do you have on it ?

Posted on Feb 04, 2010

Bryan Clark

  • 52 Answers


If you've replaced the fuel pump recently, I would check the fuel filer as well as the fuel pump relay. You can take the fuel filter off and blow into it in the same direction as the fuel flow and it shouldn't be restricted. The fuel pump relay is located in the fuse block underneath your hood close to the firewall. Before trying either of the above you may also make sure the fuel pump cutoff switch has not been activated. These are usually located on the firewall or in the rear of the vehicle behind a panel. It will look like a push button switch that you just push in to reset it. Let me know if any of this helps.

Posted on Apr 02, 2010

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I have a 2003 Chevrolet Malibu classic with 150,240 miles. It just won't start. There's no 'Theft System' light on. It cranks but won't start. I tried all the suggestions in the different forums regarding...

Did you have the key in the ignition when you reconnected the battery?

Resetting a Vehicle Anti-Theft System
This is how you reset an anti theft system if you have the anti-theft light on, or your car is cranking, but you have no spark.

Doing a full reset of the anti-theft system.

Disconnect both battery leads for at least two hours.
Hold the negative and positive leads together for 5 minutes to fully discharge any power.
Put the key in the ignition, but not turned on. VERY IMPORTANT!
Connect the positive lead.
Connect the negative lead in one swift movement.
Wait 15 minutes for the system to fully reset.
Posted by Andrew... on Jan 14, 2018

Resetting Vehicle Anti Theft System

Jun 07, 2018 | Chevrolet Cars & Trucks

1 Answer

2004 Malibu Maxx no crank /no start. How can I bypass the security and/or passlock system. No, the car isnot stolen. :-)

Pass lock diables fuel system not starter . Is the security light on ? car and padlock symbol ? Your best bet , take it to a qualified repair shop before you totally ruin it . Because there are no wires you can cut , jump , put in a resistor etc... There is no way to by pass this system .The vehicle theft deterrent (VTD) system functions are provided by the theft deterrent module (TDM).
When an ignition key is inserted into the ignition lock cylinder and the ignition is switched ON, the transponder embedded in the head of the key is energized by the exciter coils surrounding the ignition lock cylinder. The energized transponder transmits a signal that contains a unique value, which is received by the TDM. The theft deterrent control module then compares this value to a value stored in memory, learned key code. If the value is correct, the TDM sends a random generated number to the transponder. This is called a challenge. Both the transponder and the TDM perform a calculation on the challenge. If the calculations match, the TDM sends the fuel continue password via the serial data circuit to the powertrain control module (PCM). If either the transponders unique value or the calculation to the challenge is incorrect, the TDM will send the fuel disable password to the PCM via the serial data circuit.

Feb 11, 2017 | 2004 Chevrolet Malibu Maxx

1 Answer

2004 malibu classic replaced fuel pump still not working

Did you replace the fuel filter? Are all the lines clear (no kinks)? Is the fuel pump proper aligned to the cam and the follower in the proper position? Check all these things, you'll probably find your fault.

Jan 18, 2015 | Cars & Trucks

1 Answer

99 ranger won't crank, periodically, has anti theft.

I looked at your security system, it is starter motor disable and fuel injectors. You can usually get the starter crank, but, if it is the security system, it still won't start because of fuel injectors. I don't know any way to bypass security system. You can check for applicable trouble codes, if there are any?

Oct 10, 2017 | Cars & Trucks

1 Answer


I had the same issue!! it is the security system failing. I took it to the shop and they wanted a ridiculous amount of money to fix it.. So i did a ton of research and i found a part you can install yourself that will bypass it allowing your car to start every time... I did mine 5 years ago and i havent had an issue since. Check out the site your car in on the list year make and model.. They are friendly and have great customer service and for some reason if it doesnt work they will refund you 100% hope this helps ya out Do It Yourself GM Security bypass

Apr 05, 2017 | 2004 Pontiac Sunfire

1 Answer

I have replaced fuel pump, fuel filter and crank sensor and I know that it has something to do with fuel cause I crank the engine over and spray carb cleaner through the air intake while cranking the...

Common issue with is car is malfunctioning of the "anti-theft/security system". If your security system is ok>>>>> Check fuel pressure, if poor....check power to fuel pump, fuel pump relay, fuel pressure regulator, if ok...Check MAP/MAF sensor.

Nov 08, 2012 | 2002 Chevrolet Malibu

4 Answers

2003 malibu won't start. Will turn over fine and it amost starts if you leave it for awhile. Hoping its just fuel filter. If so how do I replace it ?? Thanks.

I just had this on my car too. Turn the key to "on" without starting the engine. Look at the display and see if the Anit-Theft light is blinking. If it is, you need to keep your key in the on position for about 15 minutes until the light stops blinking. Start the car when the light starts blinking.

Apr 23, 2010 | 2003 Chevrolet Malibu

1 Answer

Starting problems

you may need to get the fuel pump tested for proper voltage and pressure

Apr 02, 2010 | 2001 Chevrolet Silverado

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