2002 Dodge Dakota Trouble code P0305

2002 DODGE DAKOTA
78,251 MILES • 6 CYL • 2WD • AUTOMATIC
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EDDIE007
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  • 3 POSTS
I recieved a code p0305, since then i've replaced cap, rotor, plugs, wires and switched fuel injectors from cylinder 5 to 2. I did a compression test and all cylinders range from 105 to 112. I recently took to local dodge dealer and they replaced the pcm, 50 miles later the engine light came back on and code p0305 is back. Help!
Apr 3, 2010 at 4:14 AM
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JACOBANDNICKOLAS
  • ✓Experienced Mechanic
  • 110,246 POSTS
Is there an obvesious miss? Also, what does the plug look like if you remove it?
Apr 3, 2010 at 6:12 PM
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EDDIE007
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there's no obvious miss and the plugs look normal, just did a fuel pressure test, and is 48 to 49 psi
Apr 21, 2010 at 9:09 AM
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JACOBANDNICKOLAS
  • ✓Experienced Mechanic
  • 110,246 POSTS
The only thing I can think of is a weak coil (if you can't feel the miss). However, I would think you would find other cylenders missing too. You already tried switching the injectors which did nothing. Have you checked the wiring to the injector and where it plugs into?
Apr 22, 2010 at 12:57 AM
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EDDIE007
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checked wires to injectors, all in good shape and clipped in, even check voltage and checked with noid light, everything ok
May 9, 2010 at 6:42 AM
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JACOBANDNICKOLAS
  • ✓Experienced Mechanic
  • 110,246 POSTS
If you can't feel a miss, and everything checks out good, I would say take it back to the dealer that replaced the pcm. Something is up with the wiring to it to continue setting the same code.
May 9, 2010 at 9:19 AM
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