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It acts like it’s not getting fuel. 2007 freightliner 12 FLD…

Customer Question
It acts like it’s...

It acts like it’s not getting fuel

Mechanic's Assistant: What's the make/model/year of your truck? Engine type?

2007 freightliner 12 FLD 460 Mercedes

Mechanic's Assistant: Are you fixing your truck yourself? What have you tried so far?

Cleaned all fuel lines have fuel going to injectors but just turns over won’t start

Mechanic's Assistant: Anything else you want the truck mechanic to know before I connect you?

It was running fine parked for 3days and now won’t start

Submitted: 7 months ago.Category: Medium and Heavy Trucks
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Customer reply replied 7 months ago
Posted by JustAnswer at customer's request) Hello. I would like to request the following Expert Service(s) from you: Remote Tech Support. Let me know if you need more information, or send me the service offer(s) so we can proceed.
Answered in 31 minutes by:
1/7/2018
Technician: Daniel Wilson,
 replied 7 months ago
Daniel Wilson
Category: Medium and Heavy Trucks
Satisfied Customers: 6,901
Experience: Owner at DJ Wilson
Verified

Hi ,My name is***** will be glad to help. We can follow up as needed on here, Give me some time to review your information and post my responses. Im not an employee of the site but I help on here as time allows in between jobs. Response time will vary depending on my work load , etc. What fault codes are logged in the ECM memory?

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Technician: Daniel Wilson,
 replied 7 months ago

If you have good fuel supply pressure and the ECM has both power and ground and checks good, verify you have engine speed sensor signal to the ECM or injection will be disabled. Also check for fault codes and if logged in history, let me know what codes you have. We can follow up as needed.

Please take a moment to rate as that is how the site credits my time helping on the site or let me know if you need more help. 5 star and bonuses are always greatly appreciated.

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Customer reply replied 7 months ago
The codes 128 ,161,167,176,177,178,179,
Technician: Daniel Wilson,
 replied 7 months ago

Thanks for the info. Where are you seeing or pulling these codes from? the dash or what scan tool are you using? they are not in full fault code format. Are there any other numbers you are getting associated with them?

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Technician: Daniel Wilson,
 replied 7 months ago

128 means engine ECU and is not a fault but tells what module the fault is in. Are ther SPN and FMI numbers that go with these faults?

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Technician: Daniel Wilson,
 replied 6 months ago

Hi, did you get this resolved?

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Technician: Daniel Wilson,
 replied 6 months ago

Let me know if you still need help.

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Customer reply replied 6 months ago
No we still haven’t gotten this truck running we have power positive and ground to ECM but no fuel to the injectors.
Technician: Daniel Wilson,
 replied 6 months ago

Thanks for the update. Check for engine speed sensor signal to the ECM. Possible Cam sensor or wiring issue. If signal is lost the injectors wont fire. and lastly if all else checks good including fuel supply pressure, try a known good ECM if you can get your hands on one for a possible failed ECM or have yours bench tested.

Please take a moment to rate as that is how the site credits my time helping on the site or let me know if you need more help. 5 star and bonuses are always greatly appreciated.

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