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Check eng light on code po301 - Cars & Trucks

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That should be a cylinder misfire code. Cylinder #1 misfire.

Posted on Oct 10, 2013

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Posted on Jan 02, 2017

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SOURCE: check eng light come on and the code is 55

55 is No Malfunction. Re-check the actual ECU lights for another code just to make sure. Let me know if you dont know how to do this. Hope this helps.

Posted on Jan 14, 2009

iambanshee74
  • 3489 Answers

SOURCE: check engine light came on and error codes were

P0300 is "random misfire detected" and P0301 is "cylinder 1 misfire detected". I would start by checking the condition of your spark plugs and replace as necesaary. NGK or ND plugs are recomended.

Posted on Feb 24, 2010

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SOURCE: check eng light on codes p0171 and p0174 what do

intake leaks can cause this code set

Posted on Feb 27, 2010

  • 1 Answer

SOURCE: check eng light trouble code PO420 bank 1 on

My 2002 Camry V6 is having some issues. Went in for an oil change that turned into a front struts, springs and mounts job. Then I was having some problem in the higher speeds waiting for the car to shift, so had a tune up done, which meant new spark plugs, and of course, the gasket! So now I am out about 1K and now the check engine light comes on. Had it checked out and and a catalytic code came up. They fiddled with it and got the check engine light off, but now the VSC and TRAC OFF lights are on. What does all this mean? Should I take the plunge and get the cat converter done now?

Posted on Aug 18, 2010

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SOURCE: check engine light is on code is PO301

p0301 is cylinder # 1 misfire detected-- it could be plugs, wires, or coils. then run a good injector cleaner in tank, this may help to keep injectors clean. have a good holiday !!

Posted on Dec 17, 2010

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P0301 = Cyl no 1
P0306 = Cyl no 6

If you have changed plugs and leads and confident that they are now ok you need to run a compression check on all the cylinders, I'd emagine they should all be running at approximately 150psi per bore, if 1 & 6 are down it could be the head gasket, timing or piston rings.

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I hope this gives you a start as to where to look! Please let me know if you need any further assistance in this matter. :)

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Check eng light come on and the code is 55


55 is No Malfunction. Re-check the actual ECU lights for another code just to make sure. Let me know if you dont know how to do this. Hope this helps.

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