Question about 2000 Ford Focus
When I am driving the engine seems like it is at a very high idle, I will be at 40mph let of the gas and increase speed (not by much). I thought it might just have to adjust my idle, but then my check engine light came on
Quite possibly a vacumme leak. check all around intake manifold for vac hoses disconnected and /or cracks where they connect either to manifold or trace to end location and chec there also
Posted on Dec 10, 2012
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Posted on Jan 02, 2017
SOURCE: 2005 F150 Engine Noise
Had the exact same problem on my 05' f-150. changed belt tensioner pulley and the belt since I have 78000 on truck. I've put 3500 miles on since and its resolved the problem.
Posted on Mar 19, 2009
Check and see if the EGR valve is leaking, to check this spray water on it at idle, if the water steams off the valve is leaking and is the source of your problem, also are you sure you hooked the new DPFE sensor up right? re-check it..
Posted on Nov 23, 2008
SOURCE: 1967 ford mustang 289, 4bbl
hesitating when from a standing start, then running well can be caused by having too big a jet size. I dropped the size of the jets on my Holley 4V, and it solved that part of the problem. The accelerator pump will push in too much gas, momentarily "drowning"the engine til you get enuff air to mix with the gas.
Posted on Apr 21, 2009
the vacuum leak that causes this high idle is the gasket at the bottom of the upper intake manifold runners, they **** in, done 100's. to confirm this just spray carb cleaner at inside and outside base, when u hit the leak you will hear it. see photo.
Posted on May 10, 2009
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