Poor MPG on my '07 w 180k miles

Reply Subscribe

Thread Tools

Search this Thread

Nov 18, 2019 | 10:39 AM

#21

fitigued

Thread Starter

New Member

Joined: Feb 2012

Posts: 18

From: orlando

Quote:

Originally Posted by p220sigman

Nothing to add on the mileage issue, but the Fit does have MAP (Manifold Pressure) and MAF (Mass Air Flow) sensors. The MAP is right at the top of the inlet to manifold just past the throttle body. The MAF is right at the beginning of the intake tube coming from the airbox. It actually looks like it is on top of the box. Both are easy to get to and replace/clean. I don't know if cleaning the MAP really has much impact, but if the MAF is very dirty, cleaning it can increase mileage as well as driveability.

Thanks! Could you tell us which one is the MAF? And this includes 1st gen? Still haven't found it on any parts schematics for honda parts.

Nov 18, 2019 | 01:47 PM

#22

Farrago

Member

Joined: Dec 2015

Posts: 154

From: Portlandia

I think your arrow on the bottom is the MAF. If you pull the housing and the air filter, you'll see the probe at the back of the intake.

Mar 15, 2026 | 03:24 PM

#23

Farrago

Member

Joined: Dec 2015

Posts: 154

From: Portlandia

Apologies for digging up this old thread. I finally solved my Fit's performance problems!

Since my mom rarely drove the car and because the car did not feel like it had been broken in properly, I began to think that the engine, transmission, and fuel system were gummed up. So I focused on three areas, and the car's performance has improved dramatically.

Transmission: In the interval, I have swapped out the ATF, and the car is on its second fill of Amsoil ATF. The transmission runs quietly and shifts smoothly.
Engine: I ran Liqui Moly's engine flush. I cleaned out the throttle and then added Ceratec at the oil change (Amsoil).
Gas. I ran ATS CRF 505. On a 1/4 tank, I added the fluid, went for a long ride, and refilled the tank. My mpgs are now at 27, a figure I have never seen.

The car now has 26k miles.