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2G random issue help

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775TSI

10+ Year Contributor
148
0
Nov 8, 2009
Carson City, Nevada
So my car has no open loop idles at 1k afr on wideband 10.9 on initial cold start. Driving is 14.2-15.1 idle on neutral 800-900 what can cause the loop idle to be so low?

My washer fluid bottle motor stays on 24/7 even with car off (currently unplugged no splices in harness). Why?

Srs and check engine light on. Replaced front o2 with innovate mtx-l and wired into front o2 ecu wire with narrow band (brown) wire. Cel light came on after purchase for bank 1. I have no horn at all ita been removed but could the washer fluid issue and srs issue be tied to the clock spring?
 
So my car has no open loop idles at 1k afr on wideband 10.9 on initial cold start. Driving is 14.2-15.1 idle on neutral 800-900 what can cause the loop idle to be so low?

My washer fluid bottle motor stays on 24/7 even with car off (currently unplugged no splices in harness). Why?

Srs and check engine light on. Replaced front o2 with innovate mtx-l and wired into front o2 ecu wire with narrow band (brown) wire. Cel light came on after purchase for bank 1. I have no horn at all ita been removed but could the washer fluid issue and srs issue be tied to the clock spring?

That sounds like proper air fuel ratios for a cold start idle and cruise. The washer fluid issue sounds to be extremely strange as for certain dsm's (including my own) have there own ways sometimes with strange behavior ha. Everyone's set up is different but I do believe for full data logging on a wideband it should be connected to a 0-5volt source like the rear 02 pin along with the 12 volt hot and ground, but I run the aem unit. Others can definitely be different. Hope you get it figured out!
 
Hey I have a problem with my rear cv axle on the drivers side. I need a new one but all the places are saying it's an obsolete part. and I don't want to spend the money to get after market performance axles... it'a 96 gsx with lsd and abs
 
I agree dsms have funny issues to them. My mtx-l is wired just like you said, wideband is set to rear o2, power and ground to ecu (red and black) and my narrow is wired to front o2 ecu (brown) and I put my switched to the radio. Just odd that I don't see high idle on cold start. I'll have my link connected this weekend and see what's up.
 
I agree dsms have funny issues to them. My mtx-l is wired just like you said, wideband is set to rear o2, power and ground to ecu (red and black) and my narrow is wired to front o2 ecu (brown) and I put my switched to the radio. Just odd that I don't see high idle on cold start. I'll have my link connected this weekend and see what's up.

Exactly, they can be pretty funny because my power locks used to go off for no reason till I disconnected them. 775Tsi Do you still have your fast idle air valve or maybe a leaky base idle set screw o-ring? The idle speed controller I wouldn't suspect as much. I replaced all them on my car but my cold idle is a bit low until it warms up. The fast idle air valve is something I never really liked in the first place. I bypassed mine which deletes the coolant to the throttle body. It also causes my car to start with a lower rpm less swing up to 1500 like stock. I never worried much about it since it fires first crank easily even after sitting in the cold.
 
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