Question about 2004 Ford Taurus
Posted by Anonymous on
The P0300 is a general misfire code, and can be a result of numerous things. Coils, wires, plugs, injectors, sensors, mechanical issues etc. Being that you are throwing a P0316 in conjunction with the P0300, I would think that they are related, but rather than throw money at the vehicle>, do a few things first.
Replace your plug wires, chances are they are at, or close to the end of their life,Check the connector going to the CPS for corrosion or a poor connection. Clear the codes and see if the P0300 and P0316 codes come back.In the event that the codes do come back, or just one of them, you can rule out the possibility of the plugs and wires and move on to more possibilities.If the scanner you are using has the ability to monitor misfires, this could be a helpful tool to identify which cylinder(s) the misfire(s) is/are isolated to.In the event the spark plug wires don't fix your issue, and it is isolated to a specific cylinder, or group of cylinders it could tell you where to look next.
Posted on Feb 28, 2015
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Posted on Jan 02, 2017
these engines did have some exh valve issues, service bulletin 05-26-3. one other thing to verify is that the cam synronizer (CMP) is correctly installed. if its not right on, its way off.
Posted on Oct 14, 2009
P0171------ system too lean bank#1
Po174------ system too lean bank#2
For these 2 codes, try cleaning the maf sensor (mass air flow), that is mounted in the big black hose that goes from the air filter housing to the throttle plate, if it is dirty, that will cause those 02 sensors to send a signal to the computor to lean the air fuel mixture. If cleaning it doesn't work, the sensors will probably need changing.
P0300---- Random/multiple cylinder misfire
P0316---- Cylinder misfire at start up---- first 100 revolutions.
On those 2 codes, you have to do some testing to find out why there is a misfire.
weak coil pack
fowling spark plugs/wires
Low fuel pressure
Posted on May 12, 2010
Hello, There is an extended Warranty for "Cam Phasers". I want to say 7 Years and 90,000 Miles. But some of the repairs are on a case by case basis. Years 2004-2008 were affected.
I will tell you what your Codes mean.p0011 and p0022 are both for the Camshaft position sensors. One side is overadvanced and the other is retarded. Code p 0171 is an O2 sensor, Code 0300 is random misfiring, Codes p0305 and 0307 are the #5 and #7 cylinder misfires. Code p0316 is a general misfire when starting up, and finally the p2198 is a rich condition O2 sensor on bank2 sensor 1.
All of these make sense when the Cam on bank 1 is over advanced you will run lean and the Cam on bank 2 is retarded, you will run rich. The misfires are from incorrect timing and affected fuel mix.
There are "cheater tools" for this repair which will cut Labor costs in half. Check the Web for Mac tools, Snap-on, and so forth. The cheater works by pressing down on the internal chain tensioner to make slack in the timing chain. You take off the valve covers and unbolt the Cam (Phaser) gear and sneak it out through the valve cover opening. The CAM PHASERS cost $300 to $500 apiece.
A normal repair without the cheater involves removing the front of the motor up to the heads and still requires removing the valve covers.
I hope my solution is very helpful to you, at least you know why you are getting the Codes you are reading.
Posted on Jan 27, 2011
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