Question about 1999 Ford Explorer
Sorry, but the hose isn't cracked. Do you have any more thoughts?
Does the engine run rough when you first start it up in the morning and then smooth out as it warms up? If so, these engines have also had a problem with the intake manifold seals leaking after the vehicle accumulates high miles. The other situation that I have come across is low fuel pressure. If the fuel pump does not have the right pressure, or if the fuel filter is blocked, this can cause the engine to run lean and set those codes. But my first guess is that there is a vacuum leak somewhere in the system.
Posted on May 26, 2008
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Posted on Jan 02, 2017
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