As the problem is intermittent, the pcm may clear the codes when it sees fit. These codes are unrelated in terms of the circuits involved, but they could be related through a connector or an issue with the junction box in the engine compartment. Look around under the engine for any wires that are loose that may be touching a hot manifold or exhaust pipe. Repair any damaged wires. If there was no damage, suspect some damage near the junction box. Was the car in an accident? Has someone been in the box recently?
SOURCE: 2000 Ford Taurus Flex Fuel V6. Check engine light
your code is or the following. Fuel Pump Secondary Circuit Malfunction. This may involve removing your gas tank to fix. Go to the parts store and they can get you the parts you need and let you know for sure.
SOURCE: I have a 2004 Ford freestar that is coming up with
The coil is bad. Just buy a new coil pack and that will fix it.
A friend has the same van and it was doing the same thing.
SOURCE: loss of power on 1998 ford powerstroke 7.3
Generally the computer is reading a problem with the fuel pressure being to high or to low. The ICP is one problem it could be and you changed it. The other could be Fuel pressure regulator control solenoid or problems with the injector (s).
Testimonial: "thanks alot, this pretty much confirmed what i thought. someone befor me put an elec. fuel pump and straight wired it to the ign. thanks."
SOURCE: Trouble code P0171, P2195 Ford Focus
Sounds Like your o/2 is bad, are you burning e-8, try adding some injector cleaner/seafoam, and put a tank of preimu gas in then reset the code.
SOURCE: check engine light was constantly on, now periodic flashing 4x's
Its your pcv and the hose running from your pcv to the top it should have a hissing sound if so follow it and move the hose around make sure hose aint pinched somewhere not allowing air flow.
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I brought it back to my mechanic and when he puts it on his diagnostic machine....it does not show any codes. I'm stumped!
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