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Error codes P1309, P0304, P0305

Tiny
APAC408
  • MEMBER
  • 1998 LINCOLN NAVIGATOR
  • V8
  • 4WD
  • AUTOMATIC
  • 172,000 MILES
I have a 98 lincoln navigator 4x4 and hooked up a obd reader to it and pulled the codes p1309, p0304, and p0305. Now I have replaced the crankshaft and camshaft position sensor. The car still shakes, idles, ******, poor acceleration, gas mileage, hesitates, loud wind sound coming from the undercarriage of the car, also burnt smell coming what seems to be from the spark plugs. And I also hear like a loud whistling sound. Now in reference to the p1309 code if I changed both the crankshaft and camshaft position sensor synchronized them, than is one of the wire from my pcm or my pcm actually faulty?
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Saturday, January 8th, 2011 AT 7:47 AM

5 Replies

Tiny
WRENCHTECH
  • MECHANIC
  • 20,761 POSTS
I'm not sure why you started changing any sensors. All your problems apply to misfire issues. The PO304 and PO305 indicate misfire in cylinders 4 and 5. On that engine they have a ton of problems with the individual coils.I don't know how many miles are on your plugs now but I would be replacing the 2 coils in 4 and 5 and all the plugs if they have any age on them. That is no fun job to do on that truck either.
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Saturday, January 8th, 2011 AT 1:55 PM
Tiny
WRENCHTECH
  • MECHANIC
  • 20,761 POSTS
As for the whistling noise, make sure you have no vacuum leaks but I kinda doubt that because you have no lean codes.
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Saturday, January 8th, 2011 AT 1:56 PM
Tiny
ETHEGER
  • MEMBER
  • 2 POSTS
I have almost the same issue, mine is a 98 expedition with a little over 170,000 except I have a third missfiring cyl. I have not even started into it yet. Could the three missfiring cylenders cause the p1309 code? I will be replacing coils, plugs and wires this weekend in hopes to clear everything up.
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Friday, March 4th, 2011 AT 5:09 AM
Tiny
ETHEGER
  • MEMBER
  • 2 POSTS
Ok, I answered my own question. I changed the three coils and fired it up and I ran like a champ! Yes it was one hell of a miserable job! I was going to change all the spark plugs but might have to finish the rest when the other coils go bad, changing spark plugs isnt like it used to be.
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Saturday, March 5th, 2011 AT 8:17 AM
Tiny
WRENCHTECH
  • MECHANIC
  • 20,761 POSTS
Please start another question of your own. We don't address multiple cars in one question
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Saturday, March 5th, 2011 AT 12:28 PM

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