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Derrick Harris
Derrick Harris Posted on Feb 28, 2014
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2004 ford taurus 3.0 dohc missing ecm codes po351 po352 po354 replaced coils and plugs all new gaskets checked all hoses no leakes.

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Stephen

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  • Ford Master 21,873 Answers
  • Posted on Feb 28, 2014
Stephen
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Do you know for a fact cylinders one two and four are firing ?
The codes are for circuit problems with the coils on those cylinders. The coils get power from the PCM power relay and the engine computer grounds each coil to fire the spark plug. The codes mean the coils are not firing, and since you replaced the coils there may be too much resistance in the circuits coming from the computer.

5 Related Answers

Anonymous

  • 1 Answer
  • Posted on Nov 22, 2012

SOURCE: put in new alternator 98 ford taurus dohc car will start thn stop

Check mega fuse. Side of fuse box under hood. Slide cover off and test both studs. Should have 12 volts on both studs. If not. Fuse blow.

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Anonymous

  • 432 Answers
  • Posted on Jul 23, 2010

SOURCE: 2001 ford Taurus 3.0 DOHC engine surges

Try the idle air control valve since it raises the idle when you turn on a load to the engine.

gerry bissi

  • 4390 Answers
  • Posted on Feb 15, 2011

SOURCE: WHAT ARE CODES PO351, PO357 AND PO358 FOR A 2004

likely you have faulty coils. You will have either coil packs or an individual coil on each plug.

johnjohn2

Johnny Brown

  • 5763 Answers
  • Posted on Feb 27, 2011

SOURCE: I have a 2000 ford taurus duratec dohc 3l, gitting

I would start with the intake gaskets. this gaskets are a common problem and would cause the lean condition and the misfiring and also before that even i would put a fuel pressure gauge on it to make sure the correct fuel pressure is being sent to the injectors, i weak pump can also cause this problem, starting witht the intake a smoke machine would be very helpful to pinpoint a gasket leak or using a scan tool and watching your fuel trim values while spraying throtlebody cleaner around the intake and seeing the values and if they change or the engine speed chages, this is where i would start. good luck and have a good day.

Anonymous

  • 1 Answer
  • Posted on Apr 06, 2012

SOURCE: 2001 ford taurus p0301 and p0303

Hi, i got a 97 ford taurus lx 6 cyl. anyways, i got a flashing engine light n i have misfires in cylinders 2, 3 n 4 n it is running rich. i get many codes. im getting ready to take a long trip n move to michigan so im trying to figure out the problem with my car. we have replaced the injectors,plugs ,wires,fuel filter, going to try to change the coil pk n put new mufflers on it. can anyone help me with this issue on my car. im a disabled lady needing help..thank u....

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Po351 po352 po353 po354 po355 po356
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