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Ford expert, ASE Certified Technician
Category: Ford
Satisfied Customers: 10370
Experience:  30 yrs,experience shop owner,
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FORD F150: GAS ODOR UNDER HOOD AND DASH VENTS..BLOWER IS..GOES AWAY

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I HAVBE A O5 FORD F150 W/5.4 CHANGED SPARK PLUGS NOW I HAVE GAS ODOR UNDER HOOD AND DASH VENTS WHEN BLOWER IS ON BUT GOES AWAY WHEN DRIVING

look very closely at the injectors ,

if this started since you replaced the spark plugs because of the location of the fuel lines running over the top of the coils there is most likley an oring that has been dislodged or damaged

Customer: replied 7 years ago.
LOOKED AT ALL INJECTORS AND SEE NO LEAKAGE WOULD I HAVE TO REMOVE EACH ONE
yes i would strongly recomend removing them and replace the orings , sometimes you will get a smell but the actual fuel will evaporate before you see it
Customer: replied 7 years ago.
IF THEY LOOK OK WHAT ELSE WOULD YOU LOOK FOR? THE O RINGS REALLY MAKE SENCE CAUSE REALLY NOT NEAR WNYTHING ELSE... JUST LOOSING MY MIND

ck the line connectors at the rear of the engine

ck the fuel presure test port

Ford expert and 3 other Ford Specialists are ready to help you
Customer: replied 7 years ago.
you never asked how many plugs broke

lmao , i have been there before

how many?

Customer: replied 7 years ago.
3 tried 2 differnet tools and napa i thinks has the best. it actually has the tool to push the porcelin down then the extractor pulls the rest right out.. mac and snap-on was around 275.00 napa only 90.00

what a great design for an engine

i feel bad for you

Customer: replied 7 years ago.
now your scaring me what else do i have to look forward too
nothing crazy its just one of the more difficult engines to work on
Customer: replied 7 years ago.
thanks have a good turkey day
your welcome