Alfa Romeo 156 1.9 JTD 85 kW Map Locations

by **MHB2011** » Tue Jun 27, 2017 2:42 am

I am confuesed because i was talking with a guy who told this :

"I believe your ecu map is an IQ reduction below 90 deg C, which is why it reads 0 at 90 degree (no reduction)
I think the values are a reduction, not the actual IQ injected.
I may be wrong."

I am new to this and i am asking and trying to learn. thanks for help.

by **synmnicha** » Tue Jun 27, 2017 10:07 am

MHB2011 wrote:My thermostat is not working. Showing too low temp.

So i think map on 7827C probably limit IQ if temp. is under 90 deg.C ?

Why don't you change it if it is broken?

by **jtdpow** » Tue Jun 27, 2017 10:41 am

MHB2011 wrote:I am confuesed because i was talking with a guy who told this :

"I believe your ecu map is an IQ reduction below 90 deg C, which is why it reads 0 at 90 degree (no reduction)
I think the values are a reduction, not the actual IQ injected.
I may be wrong."

I am new to this and i am asking and trying to learn. thanks for help.

i remap a hundred or more jtds and this map its iq limiter temperature dependant and the values show its actual iq injected

by **MHB2011** » Tue Jun 27, 2017 11:13 am

I trust u , this guy said he isnt sure about that. and am totally new in remaping.

Something still confuses me.
Lets say temp. is 90 C and engine speed 3000 RPM , it will limit IQ to 0 ?
Also it looks to me when temp. goes up, IQ goes down and not then other way around.
If u look at 80 C and 3000RPM limit is 65 mg/stroke ...and as the temperature rises IQ goes down ...

Also what will happen if temp. is not defined in this map e.g 60 or 95 C ?

by **jtdpow** » Tue Jun 27, 2017 6:46 pm

to protect engine of overheating,in this engine the fans kick in at 88 celcsius that its why in the map reduce the iq at 90,65 at 4000 rpm its the maximun iq and its not mg its in mm3( mg x 0.84

by **MHB2011** » Wed Jun 28, 2017 12:26 am

synmnicha wrote:
MHB2011 wrote:My thermostat is not working. Showing too low temp.

So i think map on 7827C probably limit IQ if temp. is under 90 deg.C ?

Why don't you change it if it is broken?

I have replaced it today . :thumbup:

by **MHB2011** » Wed Jun 28, 2017 12:02 pm

jtdpow wrote:to protect engine of overheating,in this engine the fans kick in at 88 celcsius that its why in the map reduce the iq at 90,65 at 4000 rpm its the maximun iq and its not mg its in mm3( mg x 0.84

What about Driver wish , smoke map etc ... are they all mm3 ?