P20e8

Heavyhaul

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Low redundant pressure. 2011 47,000. Its been at ford three times for this code. Now its up to me to fix it. They have put 2 pumps in it and a reprogram. Any experience or knowledge would help.


Rivets are the new duct tape.
 

POWER-STRUCK

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its due to pump priming delay, i believe it wants to see 50 psi within 45 seconds. an updated pump kit is available part# bc3z-5L229-L if you need videos just PM me
 

Heavyhaul

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No other symptoms other than it goes into limp mode. I will have to check the invoices its had two new pumps in the last month. Never making over 100 miles after each one.

Rivets are the new duct tape.
 

Heavyhaul

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its due to pump priming delay, i believe it wants to see 50 psi within 45 seconds. an updated pump kit is available part# bc3z-5L229-L if you need videos just PM me

Just called the dealer to confirm. They have put 2 of those kits in already.

Rivets are the new duct tape.
 

POWER-STRUCK

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i'm sorry, i was incorrect, that code comes down to reductant injector testing, you need pinpoint tests rk7-rk10
 

Heavyhaul

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POWER-STRUCK sent me some good info. I will run tests tomorrow once I finish my other project and post results.

Rivets are the new duct tape.
 

Heavyhaul

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I think I'd find a new dealer, one that will fix the problem correctly.

Were already taking them 2 hours north. Next will be three hours south. Its going to be cheaper to fix it myself.

Rivets are the new duct tape.
 

Heavyhaul

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Ended up replacing the tank along with the pump again. Problem solved.

Rivets are the new duct tape.
 

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