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Title: 1.8T TT AJQ swapped AUM Post by: krashot on September 16, 2020, 04:29:48 AM Hey guys,
Heres the thing and the issue I got. My car originally had AJQ dbw engine with 1 o2 sensor. Before I bought the car, 4 years ago - engine swap has been done from previous owner. They put AUM engine with the narrowband loom from the AJQ...and AUM wideband ECU ME 7.5. I just got a PCM Relay error and lambda s1b1.......Car is using lots of fuel and doesn't run properly...It has 0.9bar boost but it lacks lots of power.... So, do I need to Wire Wideband o2 sensor OR I can use Narrowband ECU with existing wiring and nothing to change and just to run my engine as narrowband? Is that possible? Can anyone help? Thanks! Title: Re: 1.8T TT AJQ swapped AUM Post by: krashot on September 16, 2020, 04:31:01 AM P.S I was given an advice from a tuner to make me a custom map Alpha N to run without 2 lamdas?
Title: Re: 1.8T TT AJQ swapped AUM Post by: Blazius on September 16, 2020, 05:36:36 AM Alpha n is a backup mode if everything fails. Tune the car properly and fix the harness / sensors if needed.
Title: Re: 1.8T TT AJQ swapped AUM Post by: krashot on September 16, 2020, 05:37:57 AM Can I swap to an Narrowband ECU?
Title: Re: 1.8T TT AJQ swapped AUM Post by: nyet on September 17, 2020, 08:41:40 PM P.S I was given an advice from a tuner to make me a custom map Alpha N to run without 2 lamdas? Run. Title: Re: 1.8T TT AJQ swapped AUM Post by: krashot on September 18, 2020, 08:35:50 AM Title: Re: 1.8T TT AJQ swapped AUM Post by: dal on September 18, 2020, 10:23:53 AM Title: Re: 1.8T TT AJQ swapped AUM Post by: nyet on September 18, 2020, 11:30:22 AM What you mean? "P.S I was given an advice from a tuner to make me a custom map Alpha N to run without 2 lamdas?" Title: Re: 1.8T TT AJQ swapped AUM Post by: krashot on September 22, 2020, 11:27:28 AM Thats why I wrote at the end a "?" ....like wtf? So I decided to write a post to get some help regarding my issue.
Title: Re: 1.8T TT AJQ swapped AUM Post by: krashot on September 28, 2020, 07:41:01 AM Ok so heres what I did! :)
My AUM ECU and 1.8T AUM Engine had an AJQ Loom. So I have opened the ecu connector and wired PIN 71 and PIN 52. As I already have the existing pins for the Narrowband o2 5,70 and 51 which I need for the wideband. I will remove the 4 pin connector replace it with the 6 pin(which I got) Is everything correct? Thanks Title: Re: 1.8T TT AJQ swapped AUM Post by: krashot on October 04, 2020, 05:11:24 PM Anyone?
Title: Re: 1.8T TT AJQ swapped AUM Post by: krashot on October 22, 2020, 03:45:13 PM Okay, so I have sorted my issue, wired 2 new wires and got a new 6 pin connector for the Wideband, and car is running as it should again! You can lock it now.
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