2004 MAZDA RX8 CAR STARTS BUT I KEEP GETTING A P0320 COIL M

  • Tiny
  • vapor2
  • 2004 Mazda RX8

Engine Performance problem
2004 Mazda RX8 4 cyl Two Wheel Drive Manual 62000 miles

I recently replaced the coil packs and spark plugs and wires. I keep getting a check engine light and when I check the code it is the same one (P0320). I checked the fuel pump by taking the gas cap off and listening and it appears to be functioning so I started the car then pulled the fuses under the hood and let the car die from lack of fuel. I then tried to restart the car a couple times and then replaced the fuses and the car started up so I know its not the pump. For a while I noticed a strong fuel smell coming from the car. While idling the car struggles to keep running and the idle fluctuates from from.500 rpms to 2000 rpms. Prior to all these problems I let my cars fuel drop lower than I ever have. Could this be a catalytic converter problem and how do I check that.

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Tuesday, October 12th, 2010 AT 2:27 PM

3 Replies

  • Tiny
  • Docfixit
  • Expert
  • 18,993 posts

Receck code there is no P0320 but could it be P0420? If yes check exhaust leak before CAT, ECT malfunction

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Tuesday, October 12th, 2010 AT 3:02 PM
  • Tiny
  • vapor2
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PO302 is the correct code.

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Friday, October 15th, 2010 AT 12:48 AM
  • Tiny
  • Docfixit
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  • 18,993 posts

Missfire in rear rotor maybe eccentric shaft sensor left side engine. Check fuel pressure 54-65 psi. If fuel level got low may have brought debris into injector some SeaFoam may clean inj. P0302 is set when miss is detected that could damage CAT.

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Friday, October 15th, 2010 AT 11:02 AM

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