97 ford taurus sho error code p1518

Have 3.4 Taurus SHO head gasket set and head bolts for sale

For error code P1518 troubleshooting,click the link below :----http://schematicsdiagram.blogspot.in/2012/03/obd-code-p1518-on-ford-windstar.html
--------This will help.Thanks.

FOR OBD code P1744 on 1997 ford Taurus?Click the link below:---- http://schematicsdiagram.blogspot.in/2012/03/obd-code-p1744-on-1997-ford-taurus.html----------This will help.Thanks.

DTC P1518 - Intake Manifold Runner Control Stuck Open (Bank 1)

This code is the same in Toyota but the code number is P2004, I suggtes check this link Diagnostic Procedure 27613/2008-11-18_015208_p2004. (PDF format).

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code p1518= intake manifold runner control (IMRC) malfunction (stuck open)

the intake manifold has two runners per cylinder, feeding each of the cylinder heads
the IMRC assemblies are located between the intake manifold and two air passages for each cylinder.
one air passage is always open and the other passage switches from means of a valve plate.
below 3000 rpm, this valve plate is closed to improve low speed performance.
above 3000 rpm, this valve plate opens to improve high-speed exceleration.
the valve plates are opened and closed by the IMRC deactivation by the powertrain control module
(pcm) if your car or truck is not affected by the error code, the pcm may need to be reprogrammed
so that the error does not come up again. or you can connect an obd2 scanner and reset ever y time
it comes up. good luck!

p0171 and p0174 are o2 sensors, There are 4 o2 sensors on a Taurus. 1 on each exhaust manifold, and 1 after each catalytic converter.
p1518 is vehicle speed, idle speed control----this means the idle air control needs fixed. you can take it off and clean carbon from it. do not push on end of air valve it will loose its adjustment. do not put in any liquid to clean, the best way is to clean end of valve with an old toothbrush or similar. also clean carbon from engine side where iac mounts. when clean put back on. you can use carb cleaner for end of valve, as for the 02 sensors, you have to find out which ones are bad first. or replace all thats up[ to you. you have to get a 02 sensor socket for 3/8 drive. then they just turn out. the best way to get them out is have the car warm.

Did you test drive it,before you paid. NO,why not? Take it back,sounds like they didn't either. Why would you waste extra money ,by going to a dealer vs. a local repair shop?

TRY ANOTHER COOLENT TEMP SENSOR

There is a technical sevice bulletin for this exact issue. Go to the dealer and request they reprogram the pcm. You should not pay more than a half hour labor, they'll probably try to get a diagnosis fee out of you. Tell them no, just reprogram the pcm to latest calibration. If this doesn't fix it, then repost or pay to chat, but that should fix ya.

injector,plug,wire,coil, vacuum leak. Isolate 1 by 1 by moving them around to other cylinders to see if the problem moves with it.