94 Ford F250 351W On cold morning, when started the idle is real rough but runs fine after a few minutes.
Jan 12, 2012 at 9:30 AM
Rough Idle on cold mornings
STEVE57
- MEMBER
- 11 POSTS
when were plugs changed last?
Jan 12, 2012 at 10:55 AM
About 20,000 miles ago
Jan 12, 2012 at 10:58 AM
When it is running rough I can smell fuel.
Jan 12, 2012 at 11:14 AM
no CEL?
Jan 12, 2012 at 12:29 PM
Cel?
Jan 12, 2012 at 12:43 PM
check engine light.
Jan 12, 2012 at 12:46 PM
No
Jan 12, 2012 at 12:56 PM
smell fuel like raw gas? does odor come from exhaust?
Jan 12, 2012 at 5:41 PM
yes
Jan 13, 2012 at 5:59 AM
has your gas mileage been effected?
Jan 13, 2012 at 11:29 AM
no still 10 mpg
Jan 13, 2012 at 11:44 AM
common causes of this problem are MAF/MAP sensor which on fords dont seem to respond to cleaning and ECT sensor. the more details and history you can provide the easier t o try and pinpoint issue.
Jan 13, 2012 at 1:14 PM
Thanks for your help.
Jan 13, 2012 at 1:18 PM
It was the MAP sensor, thanks for the help
Feb 6, 2012 at 7:18 AM
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