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-   -   99 B16A2 Swap Issues (https://www.civicforums.com/forums/222-engine-performance-modifications/369929-99-b16a2-swap-issues.html)

Civic__99 04-22-2017 06:29 PM

99 B16A2 Swap Issues
 
3 Attachment(s)
Hey everyone, I've actually recently just done a b16a2 engine swap on my 1999 Honda Civic Sedan.
Everything has been running very smooth, however I've come to realize that I have been getting very poor has mileage.
On my last fill up for around 43 Litres, I only got out 370KM out of that. That too with a fairly light foot and efficient driving.
I've seen other people post how much MPG they are getting and they're getting around high 20s to 30s. For sure I should be getting around mid 20s.
I've yet to attach the secondary O2 sensor and am running the stock ECU for my D-Series motor right now.
Could those things be the issue to my poor fuel mileage?

mac25 04-23-2017 06:22 PM

Re: 99 B16A2 Swap Issues
 
Brakes seized?

Civic__99 04-23-2017 06:26 PM

Re: 99 B16A2 Swap Issues
 
No, it can't be the brakes because I've just related them recently

Delicieuxz 06-02-2017 03:32 PM

Re: 99 B16A2 Swap Issues
 
I think the B16A2 engine gets less km per litre than the D-series engine you're replacing, but it should be a bit more than what you're describing. I think I get 400 - 415 km per full tank, which I think is 45 litres.

Are you driving in lots of hilly terrain? Is your fuel filter good? Tires at the correct psi? Air filter clean?

mac25 06-07-2017 02:51 AM

Re: 99 B16A2 Swap Issues
 
Maybe with the ecu and O2 you are running rich and dumping too much fuel?


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