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Daniel Wilson
Daniel Wilson,
Category: Medium and Heavy Trucks
Satisfied Customers: 1889
Experience:  Owner at DJ Wilson
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2008 Mitsubishi Fuso, common causes for: Trouble Code is

Customer Question

2008 Mitsubishi Fuso , common causes for : Trouble Code is P1440 Evaporative Emission ControlTrouble Code is P1441 Evaporative Emission ControlCode P 1421 is clogged or dirty Catalyst (muffler)
Code P 1422 is Temp. Sensor Has Failed ( this is exhaust manifold, ro muffler pipe
Submitted: 1 year ago.
Category: Medium and Heavy Trucks
Expert:  Wayne replied 1 year ago.

Hi I'm Wayne

I will help you with this

Thank you for requesting me

Them codes are due to regen or clogged filter

how many miles on this truck

Customer: replied 1 year ago.
136,000 miles
Expert:  Wayne replied 1 year ago.

Thank you for that

I would run it thru a manual Regen

clear the codes and see it they come back

Customer: replied 1 year ago.
how do you perform a "manual regen"?
Expert:  Wayne replied 1 year ago.

Hi

I sent you the link how to do it in last question

did you get a chance to read it

Customer: replied 1 year ago.
we tried that, it will not let us do it that way
Expert:  Wayne replied 1 year ago.

HI

That is the only way to do manual Regen

is the engine temp up to operation temp ??

did the light come on on the dash

Customer: replied 1 year ago.
I will let you know in the morning. I am not sure
Expert:  Wayne replied 1 year ago.

Thank you

Customer: replied 1 year ago.
is the engine temp up to operation temp ??-- yes it was*did the light come on on the dash--no it did notvehicle is not allowing us to perform a regen
Expert:  Wayne replied 1 year ago.

Hi

Thank you for that

It needs to get hooked up to a computer

Can be several things causing this, including the ECM

Customer: replied 1 year ago.
ok
Expert:  Wayne replied 1 year ago.

That is your best thing to do

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