so, Im wondering if the map sensor on an 97 civic dx is the same as the one from my lude? can I exchange them? thanks

 

Most likely not...They are 2 different kinds of motors.

 

you dont say, but I can still use a b16 fpr even though they're 2 different motors, and I can still use dsm injectors even though they're 2 different cars, let alone 2 different makes

 

I used the CX map sensor on my lude and it works fine... I think for me though I just had to reverse the outer two wires for it to work. Dont know why but my JDM Type S seems to be picky about alot of things..

 

Well i would think you can use your current dx map. Im still using my 88 prelude map sensor on my 95 jdm h22.

 

but won't the actual fuel maps be different in the WOT and such? Changing components to aftermarket would just exagerate the difference wouldn't it?... possibly leading to a leaner condition sooner (of course it could work the other way too).

The DX doesn't have VTEC so when you're in WOT in VTEC the fuel map for the DX isn't going to account for the extra air flow plus the extended vavle openings... just a thought

 

what?
of course u can

 

I figure it wouldn't seeing how the DX is SOHC nonVTEC and H22 is DOHC VTEC motor, plust wouldn't the fuel be reading differently? I guess when you try different stuff, you may find it to actually work

 

Well I know it works for my car. Whether or not its the right thing I dont really know. And yeah it would be interested to find out if using a cx/dx map has any consequenses on a DOHC engine. As for now I haven't been driving around long or hard enough with the setup to give an accurate response on performance.. Maybe in a week or so I might know more.

 

Dude we are talking about MAP sensor = Manifold Absolute Pressure

not fuel maps.

 

but that controls the fuel maps for the ECU... hence why the MF2 and piggy back MAP sensor with the F-MAX controls the secondary injectors.. It is the Manifold Absolute Pressure sensor, which it uses the Manifold absolute pressure plus load to look up how much fuel to dump since you're in WOT and the ECU + other sensors won't control the adjustents in this state


[Modified by rjr162, 6:14 AM 11/23/2002]

 

Im useing my H23A1 Map senser for my JDM H22A, no prob. So your Vtec Non-Vtec theory is wrong.

 

but that isn't quite a DX civic either...

 

ok, just to update, yes it works, I even used an obd2 map sensor off a dx civic, and it worked

 

im pretty sure that all map sensor on hondas are calibrated the same way.....

 

If all Honda MAP sensors are calibrated the same way, then why are there so many different part numbers for various Honda MAP sensors.

Has anyone taken a lab-scope to test the voltage output signal of various Honda MAP sensors at a set vacuum level? It would be interesting to compare idle to WOT vacuum readings.

I have a Civic CX MAP, a Civic DX MAP, and a '94 Prelude Si MAP, and my '96 Prelude VTEC MAP. I just need to find someone with a lab scope. And once I finish my "test," I'll post my results.

Better yet, if anyone else has done this, please POST. Thanks!

 

people have ran civic map sensor in h22a swaps and vice versa. and they have also swap every b series know to man into civic bodies and used the regular civic kind and they work all the same. i think the difference would be on how they mount up to the chasis or the throttle body. some mount on the firewall and some mount on the motor it self.Either way i have tried alot of different kinds out when doing swaps and they have all worked the same....