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Offline mimzcbx

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check engine light on
« on: June 15, 2017, 05:15:49 AM »
Hi,

Did anyone experience check engine light pop out while riding consistently at 160km/h for 20 or 30 minutes and that time the RPM is 8000. I've already experience this issue 2 times. Need some advice here what could be wrong or need to be checked. FYI i already change engine oil using Repsol 10W-40 Fully synthetic + Oil Filter & change new coolant. any suggestion guys?

Offline CB-500-X

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Re: check engine light on
« Reply #1 on: June 15, 2017, 06:38:38 AM »
... so you're running wide open full throttle at 8000 rpm at 100 mph for 1/2 hour at a time ? ...

Offline mimzcbx

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Re: check engine light on
« Reply #2 on: June 15, 2017, 06:49:27 AM »
Yup, but still not reaching the red line. I'm running a test with 3 CB's and the other 2 did not having any issue with it.. When the check engine light is on i will stop and turn off engine for 30 sec and after i start engine the light is gone.

Online Roy McKenna

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Re: check engine light on
« Reply #3 on: June 15, 2017, 07:49:28 AM »
Read the code.  If the MIL is an active fault code it can be read by leaving the engine running, shifting to neutral, release clutch, and put the sidestand down.  The MIL will then flash the active code.  If you cycle the ignition switch and the MIL clears the code is still stored in the ECM and can be read using shorting probe (paper clip) to read the flash codes on the MIL.  Until you read the code no one will know what the possible problem is. 

The shop manual is very helpful for this, but since I don't have one in front of me, here is CBR500R link that should help. 
http://www./forum/how-forum/30170-how-read-mil-codes-your-bike.html
Roy McKenna

Offline mimzcbx

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Re: check engine light on
« Reply #4 on: June 15, 2017, 08:22:16 AM »
seems that the link that u provide is not complete. Can you share it again.?thanks man...

Offline mimzcbx

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Re: check engine light on
« Reply #5 on: June 15, 2017, 08:37:09 AM »
it's ok man...already found the page. Thanks very helpful.. :152: :152:

Offline mimzcbx

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Re: check engine light on
« Reply #6 on: June 15, 2017, 09:32:22 AM »
ok already interpret the code..seems that it showing 2 errors

21 - oxygen (O2) sensor (21-1=O2S malfunction, intermittent connection etc)
86 - serial communications (PCM to cluster) (86-1=communications error, bad power to cluster)

Any advice for this kind of issue?

Offline Ockrocket

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Re: check engine light on
« Reply #7 on: June 15, 2017, 10:20:28 AM »
*Originally Posted by mimzcbx [+]
ok already interpret the code..seems that it showing 2 errors

21 - oxygen (O2) sensor (21-1=O2S malfunction, intermittent connection etc)
86 - serial communications (PCM to cluster) (86-1=communications error, bad power to cluster)

Any advice for this kind of issue?

Don't run the bike at 100 MPH/8,000 RPM for 20 to 30 minutes at a time.  :008:

Why are you testing the three bikes in this manner?
What are you hoping to achieve?

Are you looking at building a race bike?  :306:
It is more important to live life than to fear death.

Current bikes-
*Honda CB500XA -2016 model *Suzuki DR650SE -2011 model *Honda VF500F with sidecar -1985 model

Offline mimzcbx

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Re: check engine light on
« Reply #8 on: June 15, 2017, 10:32:00 AM »
 :008: hahaha... just curious on the potential of this bike  :001: .. by the way after some googling i did found some answer on those errors

21 - oxygen (O2) sensor (21-1=O2S malfunction, intermittent connection etc)
- this is due to i'm using EJK fuel controller which need me to bypass the O2 sensor.

86 - serial communications (PCM to cluster) (86-1=communications error, bad power to cluster)
- myb due to low battery power. It's time for me to change the battery. It's already near 4 years..

 


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