Emissions Service check engine light
#1
05-01-2018, 04:32 PM
Join Date: Nov 2017
Location: ATL/Houston
Age: 36
Posts: 47
Rep Power: 0 
Emissions Service check engine light
The check engine light just came on and the screen is says my “Emission system service required”. Any ideas on what this is?
#2
05-01-2018, 04:43 PM
Registered User
Join Date: Jun 2016
Location: South Jersey
Age: 65
Posts: 1,476
Rep Power: 73 
It's usually the gas cap either leaking or just wasn't tightened to click [yup, took mine in and he tightened the cap, and I felt stupid], but can also be O2 sensors IIRC.
#3
05-01-2018, 11:12 PM
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Join Date: Sep 2014
Location: Queenstown, New Zealand
Posts: 45
Rep Power: 11
Use a cheap ODB-2 scanner to check, its quite likely to show an EGR valve error. If so it's likely to be the DPFE sensor which is part of the valve. I'm writing up a post on that subject shortly in fact.
#5
05-02-2018, 05:40 AM
Join Date: Nov 2017
Location: ATL/Houston
Age: 36
Posts: 47
Rep Power: 0 Ok so excuse my ignorance on this but where do I hook this up? And how do I know what the code means? I’ve never really done anything on my own car and I’m out of town at a place where there’s no Aston dealer nearby until next week.
thanks
thanks
#6
05-02-2018, 07:13 AM
If there is an AutoZone or some other major auto parts store in your area they can pull the code for you, free of charge.
The staff are usually knowledgable enough to provide some insight to the code as well.
Once you have the code(s) an easy google search will fill in the details
Good luck
Oh, and the port is right by your right knee, under the dash when you're sitting in the drivers seat.
The staff are usually knowledgable enough to provide some insight to the code as well.
Once you have the code(s) an easy google search will fill in the details
Good luck
Oh, and the port is right by your right knee, under the dash when you're sitting in the drivers seat.
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#8
05-02-2018, 11:26 AM
What year is your car? O2 sensors seem fairly common to need replacing on earlier cars. Low battery can also cause odd readings. If the car is running ok I wouldn't worry about it too much and you could get it looked at when you get back home. You'll fail emisssions, but that's about it at this point.
#10
05-02-2018, 01:09 PM
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Join Date: Oct 2015
Location: Ottawa, Ontario, Canada
Age: 59
Posts: 1,471
Rep Power: 90
I had to replace mine at 30,000km or 18,000 miles on a 2009 V8 Vantage, in my case I replaced both side at the same time and the error didn't come back in the last 20,000kms so far 
#11
05-03-2018, 10:45 AM
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Join Date: Apr 2018
Location: Los Angeles
Age: 42
Posts: 148
Rep Power: 12
is it hard to replace the OS sensor yourself? i wonder if it's something i can do on my own if it's easily reachable in the engine bay.
#13
05-05-2018, 02:56 AM
Registered User
Join Date: Aug 2015
Location: ontario canada
Age: 65
Posts: 208
Rep Power: 19
check out the marketplace forum,theres o2 sensors for sale on there..
https://www.6speedonline.com/forums/...ensor-set.html
https://www.6speedonline.com/forums/...ensor-set.html
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