How JustAnswer Works:
  • Ask an Expert
    Experts are full of valuable knowledge and are ready to help with any question. Credentials confirmed by a Fortune 500 verification firm.
  • Get a Professional Answer
    Via email, text message, or notification as you wait on our site.
    Ask follow up questions if you need to.
  • 100% Satisfaction Guarantee
    Rate the answer you receive.
Ask Dan Your Own Question
Dan, Technician
Category: Ford
Satisfied Customers: 23591
Experience:  Independent Shop Experience, 2 Year Automotive Diploma, & Access to Information Database
Type Your Ford Question Here...
Dan is online now
A new question is answered every 9 seconds

I have a 2003 mustang gt 4.6 that is running rough an idle

Customer Question

hi. I have a 2003 mustang gt 4.6 that is running rough an idle seems low. I have readings from a scanner but not sure how to inter
pret them
Submitted: 1 year ago.
Category: Ford
Expert:  Dan replied 1 year ago.
Hello, my name is ***** ***** I'm here to help get your problem solved. Is the check engine light on? Does it seem to run fine other then the low idle?
Customer: replied 1 year ago.
check engine is on. throwing code p1150. car will occasionally stall at traffic light
Customer: replied 1 year ago.
obd readings show no misfires
Customer: replied 1 year ago.
the only other failure I can see seem to be evap related - initial tank vacuum. meter says no leak failure though
Customer: replied 1 year ago.
also a failure on vapor generation max absolute pressure
Expert:  Dan replied 1 year ago.
Does it seem to run better when cold?
Customer: replied 1 year ago.
Customer: replied 1 year ago.
just noticed..there is a pending code of p1151
Expert:  Dan replied 1 year ago.
Check the PCV hose for cracks, they are common to break causing this problem. Also replace PCV with one from dealership, let me know if that helps. Thanks.

Related Ford Questions