Question about 2005 Honda Odyssey

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Honda odessey engine code p3100

My checklight come on and is showing code p3100

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  • 283 Answers

There is no p3100 code!!

I think you copied this wrong. the code is p0301, which is a common one.

The P0301 code means that the cylinder 1 is misfiring or is randomly misfiring. Start by checking for intake leaks an if no leaks are found the next step is to replace the spark plugs on cylinder 1. If the problem persist more tests needs to be done to diagnose problem.

Possible causes
- Faulty spark plug 1
- Clogged or faulty fuel injector 1
- Faulty ignition coil 1
- Fuel injector 1 harness is open or shorted
- Fuel injector 1 circuit poor electrical connection
- Ignition coil 1 harness is open or shorted
- Ignition coil 1 circuit poor electrical connection
- Insufficient cylinder 1 compression
- Incorrect fuel pressure
- Intake air leak

Most likely cause:
Faulty spark plug 1 or Faulty ignition coil 1 (Ignitor coil)

Either are easy fixes. Start with a new spark plug. If the problem continues replace the coil. Pic below. new about $30-$40.





honda odessey engine code p3100 - 25668053-d0khtfozkoi42lnxngz2bi0n-3-0.jpg

Posted on May 16, 2015

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SOURCE: I BOUGHT A HONDA ODESSEY AND THE RADIO SAYS CODE

I went to my honda dealer and while the car was off the service rep pushed 2 buttons and the serial # displayed on the radio. He then looked up the serial # on the computer and gave me my code. Took 5 mins and he charged me nothing. I think the 2 buttons he pushed were the 1 and 6

Posted on Jan 17, 2010

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SOURCE: 2004 honda odessey radio code

Need to reenter the radio code, it's normally located in the glove box or behind the radio itself, once found you should have about 3 tries to enter the code, if more attempts are needed, disconnect the neg battery cable for 5 minutes and retry.

Posted on Feb 08, 2010

rickyrt441
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SOURCE: my engine checklight blinks for 4long blinks

You need to get the computer scanned for codes. This is a major engine failure.

Posted on Feb 24, 2011

SOURCE: I have a 2004 Honda Civic VTI, the engine checklight came on and I went to 3 different computer diagnostic centres and the scan showed VTEC system failure. I changed the VTEC solenoid, change vtec pre

What is wrong is that you changed a part

You failed to follow any trouble charts because
you have none

The sensor was most likely okey & just doing it's
job of reporting a fault

You could have a mechanical problem such as a timing
belt issue or worn VVT Actuators on the end of the cames

You have to diagnose code related issues & then find out
why a sensor reported as it did

Even if you scoped the sensor you would most likely
assume it was bad,not so,have to keep thinking why the
data was bad

You need professional tools & look at several pieces of data
overlayed on a big sceen at one time

Repair shop or dealer for that issue

Posted on Nov 27, 2012

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