EPnick22 Posted February 3, 2014 Share Posted February 3, 2014 Just rebuilt my car, upon startup the eml came on and ita code 31map sensor signal, after running it for half hour it still fuelled mid 10s on my wideband, when revved above 5k rpm it bangs big black smoke clouds, everythinga plugged in and fuses are all fine what is the hold up?! Quote Link to post Share on other sites
Socks Posted February 3, 2014 Share Posted February 3, 2014 Faulty Map Sensor... I guess... Pops and bangs are what you'd expect with no map sensor.. Quote Link to post Share on other sites
EPnick22 Posted February 3, 2014 Author Share Posted February 3, 2014 i just dont understand why it was fine before and suddenly since i.rebuilt it its turned to shit Quote Link to post Share on other sites
Socks Posted February 3, 2014 Share Posted February 3, 2014 It could be the wiring to the sensor that's been broken? Quote Link to post Share on other sites
EPnick22 Posted February 3, 2014 Author Share Posted February 3, 2014 i cut a wire that was wired into the loom right near the ecu plug accidently.but wired it straight back in, ? Quote Link to post Share on other sites
EPnick22 Posted February 3, 2014 Author Share Posted February 3, 2014 just read on another forum that a guy cut out his fuel cut defender then had similar issues to me, this is what i did, cut my fcd out then accidently cut the wire next to it which i think is my ebc Quote Link to post Share on other sites
Socks Posted February 3, 2014 Share Posted February 3, 2014 The FCD wires into the MAP sensor wires on the ECU.... As it FOOLS the ECU's MAP Sensor reading... Quote Link to post Share on other sites
EPnick22 Posted February 3, 2014 Author Share Posted February 3, 2014 yeah i.know so is that why its not reading? Quote Link to post Share on other sites
triple j Posted February 3, 2014 Share Posted February 3, 2014 If u just cut out your fcd and not rewired the map sensor back together your going to have problems, is your ebc powered off the ecu harness? Quote Link to post Share on other sites
EPnick22 Posted February 3, 2014 Author Share Posted February 3, 2014 yeah i didnt realise, my fcd came in the car so didnt know, and yeah it is, running an avcr Quote Link to post Share on other sites
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