3 bar map sensor

[formby]

so i did minimal research on this but i did look around....

i read this

Oem Map Sensor And Boost

How much Boost can a Stock (OEM) Honda MAP (Manifold Absolute Pressure) Sensor Read? On a stock map sensor, the amount of boost you can run is limited due to the fact that it doesn't know what to do with values out of it's voltage range and the result is the ECU throwing a code and putting your...

hondaswap.com

and went here
GM Parts Direct: Your direct source for Genuine GM Parts | GMPartsDirect.com


however i have no idea how to install the sensor or what pugs to use...

i use a turbo edit chipped obd0 ecu and soon ill change over to a crome p28 set up in the rex....


does any one have a write up on the 3 bar map sensor install?????

 

[posol]

just unplug your stock map sensor, and splice it in. give the gm a vac source from the manifold. its 3 wires just like ours is.





green plug:











wire colors are lettered: see the post-it pic above...


GM sells a pig-tail too... the sensor won't come with it- i suggest you buy it.





as far as the computer is concerned, just make sure you set the turbo edit to run off the 3-bar, and its done.

 

[formby]

called gm...

the green map plug (pig tail) part # is 12085502

and the map sensor part # is 12223861

thank you B...

 

[4drcivicb18a]

I know vafc are no good, but can a 3 bar map sensor be used with a stock ecu and a vafc??

 

[formby]

no...our ecu's are n/a and dont know what to do with the read outs.....so you need an ems

 

[posol]

werd, since the voltage range is still the same, 0--5v for WOT and 0% throttle, the increments are way off. the oem ecu won't know what to do with the reading of 1 volt expecting, say 100 cfm of air, vs the 3-bars 1 volt signla when theres 200 cfm of air.

just numbers for example here...

 

[formby]

this should be a sticky

 

[posol]

not really... lol

 

[4drcivicb18a]

so its impossible, just wondering I have turboedit i was just wondering

 

[formby]

okay...TE is an ems...if your ecu is chipped just have a chip burned that reads the sensor...or i would buy an ostrich from Welcome to www.moates.net! and make the change

 

[4drcivicb18a]

I know, I have turbo edit and a 3 bar map sensor works fine, but i seen this thread and remembered a friend with a vafc was asking if it was possible to use a 3 bar map sensor with his vafc. sorry for the complication

 

[posol]

stock ecu cannot use it. you need to have a program that can read and intrepret the 3-bar voltage range, such as a chip

 

[formby]

62 bucks baby...

but its ac delco

 

[posol]

cool. just make sure its not the 2.5 bar.

you got it for the 89 Trans am 3.8 v6 turbo right?

 

[formby]

link to auction

http://cgi.ebay.com/ebaymotors/ws/eBayISAP...TRK%3AMEWN%3AIT

 

[posol]