map sensor

[accord93racer]

im rebuilding my jdm h22a engine and i was installing my new skunk2 throttle body...i was looking at tb and there is a place for the map sensor...but on my h22a tb there was not a map sensor and i could not find one on the engine...did jdm h22a have map sensors? i would think that all engines would have to have some sort of map or maf sensor...i did have some sort of black box that had vacuum lines and a sensor...i am going to turbo my motor and was wondering about map sensors...i read on here about 3 bar map sensors...now im guessing that a 3 bar sensor has more adjustablility/can handle more boost than a stock map sensor...i was wondering how much boost a stock map sensor can handle? also if i do swap a 3 bar sensor on, how do i do that? do i keep the stock map sensor and wire to the 3 bar? cuz i noticed that obviously the 3 bar map sensor will not fit on the skunk2 tb...ok so i just read about a missing link...would i use a missing link to run the vacuum line to the 3 bar map sensor? do i even need to bother buying a stock map sensor? here is the link about the missing link: http://www.cb7tuner.com/vbb/showthre...ght=map+sensor any other suggestions would be appreciated

[mullet]

It's been said that the stock MAP sensors are good to 10.6 psi, I ran 10psi daily on my stock MAP and never threw a code so I can pretty much guarantee it's good to that point. (18psi spikes that fried the motor didn't throw MAP codes either though)

[accord93racer]

what about a missing link? i read that those protect the map sensor from higher boost levels...

[h22sparkle]

some motors have the mapsensor thats on the firewall others have it on the throttlebody no need for a missing link you just need 3 wires from the sensor harness to the actual 1 vacuum sorce from off the 3bar and thats it nomore need for the big box. If you have the map that goes into the throttle body jbweld it closed. A missing link is a waste of time imo honestly

[Caution]

nah man...older honda had map on the firewall and newer honda havem on the tb....my civic ran 3lb boost and dam...it throw a cel all the time because of the boost to the map so i had to run a missinglink thing.....if you need one...i got one for u $10 shipped....its a simple hookup! le me know

[accord93racer]

how exactly do yo hook the missing link up? i might need that one ill pm you

[mtnickel]

If tuning with some sort of OEM ECU software (uberdata, crome, etc), then i'd just get a 3bar or 2.5bar motorolla.

Risking having no boost control above 10psi is risky...spikes do happen, and you'll be glad your fuel table can accomodate higher boost levels.

Using a boost controller to reduce spool time can cause 11 or 12psi spikes...it's best to have a MAP that reads it.

I have an extra motorolla map sensor that i got for a friend who just instead bought a new 3bar.

I'd let it go for $30 shipped if you want. I also have a crome bin that can run it along with 450cc injectors...great idle and vaccuum tune so far and boost on my 16g stays around 11's...but you'd obviously have to tune your own engine yourself.

Good luck...and the map install is as simple as taping into 3 wires and getting a vaccuum source.

[accord93racer]

some motors have the mapsensor thats on the firewall others have it on the throttlebody no need for a missing link you just need 3 wires from the sensor harness to the actual 1 vacuum sorce from off the 3bar and thats it nomore need for the big box. If you have the map that goes into the throttle body jbweld it closed. A missing link is a waste of time imo honestly

which big box? the evap canister or the charcoal box on the firewall? also do i still need the evap canister if im running a map sensor?
also would this map sensor work....http://cgi.ebay.com/ebaymotors/HONDA...QQcmdZViewItem

[Boost_Lee]

hes referring to the black box where the vac lines run into.

that gm 3 bar should work fine

[f20aaccordturbo]

wowee!! good thing u brought this subject up. ive been looking in to a 3 bar map too.

[Rosko]

I make the little plate that blocks off the map sensor on the t.b. if anyone is in need of one. afik all obd1 cars have the map on the firewall, and obd2's put it on the throttle body. I'll post a pic of it when I get home...