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No sound from fuel pump and 04 Crossfire Coupe not crank

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Old May 23, 2020 | 07:13 AM
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Yvonne's Avatar
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From: Greenville
Default No sound from fuel pump and 04 Crossfire Coupe not crank

Please offer advice... I had gone three blocks from 🏠 this morning in my 04 Crossfire Sedan and when I turned on my street the car starting hesitating like a light choaking down so I backed into drive and raised hood to look and it slowed down more then stopped running. Waited 2 hours and now it will almost crank but no quite. Had brother open gas tank and I turned ignition on but no sound from tank. Help anyone with suggestions please.
 
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Old May 23, 2020 | 09:14 AM
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zip439's Avatar
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From: SE Alabama
Default Re: No sound from fuel pump and 04 Crossfire Coupe not crank

Under the hood on the passenger side near the rear you will see a large black plastic box. It is near the battery. Open that box and inside is the Relay Control Module. ( You can find a lot of info here by using the search box and type in RCM). You may have a bad relay that controls the power to the fuel pump. You can carefully remove the RCM from the car and inspect that relay. It controls the voltage to the fuel pump. However, as you describe that your car is trying to start ,but will not and the trouble developed not all at once as a complete shut down, but gradually. You can check for fuel pressure at the engine with a pressure gauge attached to the fuel rail. ( There is a port on the forward side of the engine on the passenger side. ) OR: The fuel pump and the fuel filter ( which is also a regulator) are located under the car on the passenger side just forward of the wheel. Jack up the car on the rear, remove the black plastic guard and you can easily see both the pump (it is the smaller of the two) and the filter. Disconnect the electric plug and check to see if you have 12 volts at the plug when the ignition switch is turned on. Please be careful and don't drive over yourself!.. If you have 12 volts at the connector then your pump is not operating, the RCM is working correctly and you must replace the fuel pump. Assuming all the wiring is intact and functioning properly. If you end up replacing the fuel pump. replace the filter at the same time, but be certain you replace the filter with the proper one. Some of the filters sold at auto parts stores do not have the necessary regulator built into the filter and they do not operate properly,
 

Last edited by zip439; May 23, 2020 at 09:18 AM.
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Old May 23, 2020 | 09:52 AM
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Yvonne's Avatar
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From: Greenville
Default Re: No sound from fuel pump and 04 Crossfire Coupe not crank

Thank you Zip439 so much! I will follow your directions... I truly appreciate your replying to me so quickly. Enjoy you weekend!! Thanks again, Yvonne
 
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Old Jun 3, 2020 | 11:21 AM
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Yvonne's Avatar
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From: Greenville
Default Re: No sound from fuel pump and 04 Crossfire Coupe not crank

Please suggest the brand and model number for replacing fuel filter and fuel pump on ‘04 Crossfire Coupe .... thanks so much... and if you know of who sells them will be appreciated dearly.
 
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Old Jun 3, 2020 | 11:55 AM
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ala_xfire's Avatar
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From: Lineville, AL
Default Re: No sound from fuel pump and 04 Crossfire Coupe not crank

https://www.needswings.com/fuel-xf
 
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Old Jun 3, 2020 | 05:25 PM
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tighed1's Avatar
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From: Sierra Vista, Arizona
Default Re: No sound from fuel pump and 04 Crossfire Coupe not crank

Originally Posted by zip439
... Disconnect the electric plug and check to see if you have 12 volts at the plug when the ignition switch is turned on (during the first 2 seconds only) . Please be careful and don't drive over yourself!.. If you have 12 volts at the connector then your pump is not operating, the RCM is working correctly and you must replace the fuel pump. Assuming all the wiring is intact and functioning properly. If you end up replacing the fuel pump. replace the filter at the same time, but be certain you replace the filter with the proper one. Some of the filters sold at auto parts stores do not have the necessary regulator built into the filter and they do not operate properly,
Please note that the fuel relay will only energize for two seconds when the key is turned to the ON position. If you take a reading after the first two seconds there will not be a voltage present at the fuel pump.
I just repaired a RCM today that had a bad fuel relay. Easy way to check is to open the RCM, have someone turn the key to the ON position while you watch the fuel relay to see if it energizes for the initial two seconds.
If it doesn't, bad fuse or bad relay most likely.
 
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