Question about 2003 Ford Taurus
Posted by Anonymous on
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Posted on Jan 02, 2017
As far as I know without checking it personally it sounds like it could be one of three things (in order from easiest to hardest). Clogged air filter, worn timing chain, leaking head gasket. To check for the third go to Auto Zone and get them to do a compression check, its free. I can't remember off hand but if the 93 has a TPS (throttle position sensor) that could also cause an irratic idle.
Posted on Mar 18, 2009
fuel pressure at the fuel rail test port should be at least 44 PSI, when u gun the engine it shuld go up very quickly, it should never drop, if it does the fuel filter is either plugged or the pump is defectuive
Posted on Mar 27, 2009
The motor more than likely won't start or it could flood out with gas.
Fuel pressure regulator controls fuel pressure. You should have 30psi at the fuel rail for the motor to start.
Posted on May 18, 2009
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