S300 intermittent issue

Tylenol21798 · Post by **Tylenol21798** » Fri Dec 06, 2019 5:55 pm

Blips in ecu car will read fine, but blips randomly and shows the ecu going crazy. I've attached a picture of what it does when It blips

Tylenol21798 · Post by **Tylenol21798** » Fri Dec 06, 2019 6:04 pm

Here is my map and datalog

crluver123 · Post by **crluver123** » Sat Dec 07, 2019 8:25 pm

Check the ecu grounds in the engine harness, and any other grounds you can find.
Make sure you are using Resister spark plugs (R in the plug part number, like BKR7E).
If you have a jumper harness, it may be of bad quality and have a bad wire somewhere.

Post by **Spunkster** » Mon Dec 09, 2019 10:11 am

Post a picture of the bottom of the ECU showing the solder joints for the ECU socketing.

Tylenol21798 · Post by **Tylenol21798** » Mon Dec 09, 2019 6:42 pm

It's done with rosin core solder

Tylenol21798 · Post by **Tylenol21798** » Mon Dec 09, 2019 6:50 pm

I'm thinking it may be a bad wire in the jumper harness, I discovered if you more the ecu the car almost dies.

Post by **Spunkster** » Tue Dec 10, 2019 10:05 am

That sounds very likely.

Tylenol21798 · Post by **Tylenol21798** » Tue Dec 10, 2019 10:29 am

I'm getting a new one this week. I'll update you if it fixes the issue

Tylenol21798 · Post by **Tylenol21798** » Sun Dec 15, 2019 7:40 am

The jumper harness has seemed to fix the issue. Thank you guys for the help.

Hondata

S300 intermittent issue

S300 intermittent issue

Re: S300 intermittent issue

Re: S300 intermittent issue

Re: S300 intermittent issue

Re: S300 intermittent issue

Re: S300 intermittent issue

Re: S300 intermittent issue

Re: S300 intermittent issue

Re: S300 intermittent issue