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Daniel Wilson
Daniel Wilson,
Category: Medium and Heavy Trucks
Satisfied Customers: 1634
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: 10 months ago.
Category: Medium and Heavy Trucks
Expert:  Wayne replied 10 months 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 10 months ago.
136,000 miles
Expert:  Wayne replied 10 months ago.

Thank you for that

I would run it thru a manual Regen

clear the codes and see it they come back

Customer: replied 10 months ago.
how do you perform a "manual regen"?
Expert:  Wayne replied 10 months ago.

Hi

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

did you get a chance to read it

Customer: replied 10 months ago.
we tried that, it will not let us do it that way
Expert:  Wayne replied 10 months 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 10 months ago.
I will let you know in the morning. I am not sure
Expert:  Wayne replied 10 months ago.

Thank you

Customer: replied 10 months 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 10 months 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 10 months ago.
ok
Expert:  Wayne replied 10 months ago.

That is your best thing to do