Honda Civic / Del Sol (1992 - 2000) EG/EH/EJ/EK/EM1 Discussion

Rev limitting at 3500 and buzzing fuel relay

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Old 02-10-2013, 03:24 PM
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Default Rev limitting at 3500 and buzzing fuel relay

I have a jdm b16a and recently its started rev limiting at 3500 and the speedometer jumps around when it does it. whenever the speedometer jumps around my fuel main relay buzzes, so i replaced that and it stopped for like a day and now its doing it again. i'm also getting CEL codes 16 and 41, but ive had 41 before its done it so i think its something with the fuel injectors but i'm not really sure what to check.
Old 02-10-2013, 04:47 PM
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Default Re: Rev limitting at 3500 and buzzing fuel relay

Have you cleaned and tightened the G101 ground attached too the thermostat housing?
Old 02-10-2013, 08:11 PM
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Default Re: Rev limitting at 3500 and buzzing fuel relay

Originally Posted by RonJ@HT
Have you cleaned and tightened the G101 ground attached too the thermostat housing?
i haven't checked any grounds, but i'll check that out tomorrow. thanks
Old 02-11-2013, 12:10 AM
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Default Re: Rev limitting at 3500 and buzzing fuel relay

Check your connection wires to your ivac and change your speed sensor. Possibly your ivac needs to change a
Aswell

Last edited by G_thirty_5; 02-11-2013 at 09:48 AM.
Old 02-11-2013, 12:33 AM
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Default Re: Rev limitting at 3500 and buzzing fuel relay

i have the exact same problem lol same cel as well let me no if you find out
Old 02-11-2013, 05:26 AM
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Default Re: Rev limitting at 3500 and buzzing fuel relay

Originally Posted by G_thirty_5
Check your connection wires to your ivac and change your speed sensor. Possibly vivacity aswell
Where is the speed sensor located?
Old 02-11-2013, 05:33 AM
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Default Re: Rev limitting at 3500 and buzzing fuel relay

Originally Posted by G_thirty_5
Check your connection wires to your ivac and change your speed sensor. Possibly vivacity aswell
Originally Posted by CMunsterman
Where is the speed sensor located?
I would disregard the top post. It makes little sense and is also odd. I'm watching this member.
Old 02-11-2013, 09:50 AM
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Default Re: Rev limitting at 3500 and buzzing fuel relay

Originally Posted by CMunsterman
Where is the speed sensor located?
Its on your trans in the back
Old 02-11-2013, 02:57 PM
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Default Re: Rev limitting at 3500 and buzzing fuel relay

Originally Posted by TomCurllyFry
i have the exact same problem lol same cel as well let me no if you find out
Just fixed it. Ended up being the ground for the vtec pressure solenoid (oil pressure sensor) it was half connected and snapped off when I touched it
Old 02-11-2013, 03:42 PM
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Default Re: Rev limitting at 3500 and buzzing fuel relay

The oil pressure switch grounds at G101 on the thermostat housing.
Old 02-12-2013, 06:54 AM
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Default Re: Rev limitting at 3500 and buzzing fuel relay

Originally Posted by RonJ@HT
The oil pressure switch grounds at G101 on the thermostat housing.
Weird..my g101 ground was totally fine but I barely touched the ground directly underneath the intake and it snapped right off. Fixed it, started first time
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