Truck usually starts right up with a old engine but not when warm

Asked by forddrb Apr 06, 2019 at 03:53 PM about the 2005 Ford F-150 Lariat SuperCab 4WD

Question type: Maintenance & Repair

Truck usually starts right up when cold but
not once it's warmed up .  Codes that come
up are p0453 and p1000.  But thinking
maybe the fuel pump is going too.   What do
you think?

1 Answer
27,570

oilyspill answered 5 years ago

Note the info for p0453. It has to do with evap system. That system may cause overly rich system, that's fine on a cold engine, not on a hot engine. Just my opinion.

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