Question about 1999 Ford Taurus
Post running the car out of gas. Car lurched and High idle. Lurch got better with gas treatment but idle still high and if it drops runs rough.
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Posted on Jan 02, 2017
The P0420 code is a Catalytic converter efficiency code check the compression.Swap the #1 injector to a different location to see if the code follows.Test the coilpak. A cracked exhaust manifold is the most likely cause p0171 and 0174 Induction air leaks, vacuum or some kind fuel restriction, weak fuel pump, restricted fuel filter etc.You also could have an exhaust leak near the upstream o2 sensor. If youtake it in they will probably use smoke to find out where the leak is.
Posted on Apr 22, 2009
Replace the idle speed control valve.Very common on fords this fails.And what you are telling me are the same symtoms.Good luck m8.
Posted on Jul 08, 2009
i will check idle speed sensor, most likely this is the problem, and the fuel consumption problem can be related to O2 sensor which makes the car idle very badly, so i suggest you check both
Posted on Aug 17, 2009
Tips for a great answer:
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------------Engine cuts out at 3000 RPM? http://schematicsdiagram.blogspot.com/2011/12/engine-cuts-out-at-3000-rpm.html
----------This will help.Thanks.
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