06-27-2020, 01:07 PM | #1 |
Second Lieutenant
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Many error codes after spark plug change
My plan was to have my vehicle dyno tuned 5 days ago. Unfortunately, I found out too late that it required two steps cooler spark plugs with a tighter gap. This was my fault as it was pretty clear on their website that this was needed prior to the tune. So, I purchased the spark plugs and set the gaps (NGK 97506 -- 0.022").
Last night I began changing the plugs later than intended (~11 pm) and I did not complete the job until this morning (~4 am). In the process of changing the plugs, I detailed the engine bay, changed the air filters and removed the charcoal air filters. I began the spark plug change by disconnecting the negative battery terminal. Next, I removed the engine cover, both air intakes, both DMEs, the DME bridge-mount w/ ground wires, power steering reservoir and coolant reservoir. NOTE: I disconnected the battery and accidentally closed the trunk. I luckily recalled posts about this situation. I opened the locked trunk by using the ski pass-though and pulled the glow-in-the-dark emergency release. Next, using several sizes of brushes, I cleaned/dusted everything. Then, I used the brushes with a small amount water and a drop of Dawn dish soap and cleaned any area that was still a bit dirty. Next, I cleaned and dried the brushes. Then, I went over all areas a third time so all was now clean and dry. Next, I began removing each coil and plug set on the passenger side from the firewall forward (firing order 4, 3, 2, 1). I did not need to remove any connections to the DME since all the coils and plugs were accessible. Then, I began removing each coil and plug set on the driver side from the firewall forward (firing order 8, 7, 6, 5). I removed the connections to the DME on this side since all the coils and plugs were NOT accessible. All connections were re-checked and all items that had been removed to gain access to the coils and plugs were reinstalled. Then the battery was reconnected and I now have these errors:
The battery is being charged now. When done, my plan was to disconnect the negative terminal and then remove and reconnect all driver side DME connections. Expert/Techs, are you able to identify if a connector(s) (maybe DME) is/are not secure from the errors provided above? THANKS IN ADVANCE FOR LOOKING INTO THIS.
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Current:2021 Mazda MX5, 2013 BMW M5 Tuning Tech Stage 1, 2013 Buick Encore, 2013 Chevy Traverse LTZ
Past: 2002 Jeep Grand Cherokee, 2014 BMW 550i MSport, 2005 Jaguar S-Type R, 2000 BMW 540i, 1997 BMW 540i, 1997 WS6 Pontiac Firebird, 1992 Eagle Talon TSI Last edited by 1320racer; 05-22-2022 at 03:04 AM.. Reason: Clarity |
06-27-2020, 03:34 PM | #3 | |
Second Lieutenant
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Error codes resolved!
Quote:
All errors are gone and it runs strong again. I'm off to the dyno tomorrow afternoon.
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Current:2021 Mazda MX5, 2013 BMW M5 Tuning Tech Stage 1, 2013 Buick Encore, 2013 Chevy Traverse LTZ
Past: 2002 Jeep Grand Cherokee, 2014 BMW 550i MSport, 2005 Jaguar S-Type R, 2000 BMW 540i, 1997 BMW 540i, 1997 WS6 Pontiac Firebird, 1992 Eagle Talon TSI |
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qbeers1413.50 |
06-27-2020, 03:51 PM | #4 |
Private First Class
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Glad you got sorted out. 9/10 times the error codes are erroneous when the DME connectors are not seated right. The three on the far right that have the hinged arm are usually the culprit. They are nested so you have to install them left to right (IIRC). Tug on each one gently after closing the locking arm to be sure it is seated properly.
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1320racer135.00 |
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