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2009 93 20t engine misfiring sputtering

207 Views 9 Replies 3 Participants Last post by  RICHARDBROWN
Morning Saab community
Have severe engine sputtering today so I had to garage the car馃槱
Did not illuminate the CEL. ?
Have had sluggish starts for the last few months, but no issues after start up.

Changed the oil on Monday, started sputtering later that day.
No issues with the oil change and used 5w30 syn
Threw a 2135 0122 0223 this week and over the last few months have had sporadic 1319.
The sputtering caused cat sulphur smell rotten eggs
Not a fuel smell.

Live data on my code reader showed negative spark advance?
I inspected the throttle body yesterday. Butterfly valve looks more open than it should at rest.
Also tested resistance on pins. One of the pins did not change as I moved the throttle plate but the other one did.
Any suggestions or ideas or questions or feedback would be most welcome 馃檹
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Mimmi, thanks for reading and responding.
I鈥檒l follow those links, and see if it helps.
I鈥檝e looked at the wiring harness, but I鈥檒l fiddle with it some more.
Thanks.
P1319 is pending right now along with p0303, so im going to focus on testing coils and ionization module today.
I鈥檒l probably just ger new coils and plugs from RSA鈥檚 parts for about 350.
Coils were bought used about 4 years ago, but they seem to test OK?
Thanks.
I still junk your guessing machine.
P1319 is not valid code at all.

I hope that you ordered original coils, aftermarket ones do not work.
What spark plugs you use and how old are they?
I still junk your guessing machine.
P1319 is not valid code at all.

I hope that you ordered original coils, aftermarket ones do not work.
What spark plugs you use and how old are they?
Ok, yeah I just finished cleaning and testing the coils and the ionization module. Pulled the spark plugs and inspected. They looked clean and no fouling that I could notice.
Yeah I have the Mitsubishi/Saab coils and the NGK plugs .
I put the plugs in with the used coils around 200K four years or so ago.
Im now at 265k, so the coils are suspect.

I used a spark tester on all the coils. They all 鈥渟eemed鈥 ok, but I did notice that spark was escaping near the top of the coil while I was cranking the engine, and still crossing the tester gap?
I can鈥檛 imaginethat is normal?
Any opinions on that would be welcome.
I test drove for about 8 miles without incident, but can鈥檛 trust it yet.
will see what happens over the weekend.
Inspected wiring harness and tested for continuity between coil connectors and the ionization connector and all was good.
All coils had about 47K to 50 k resistance and they all were the same, no outliers.

I think I鈥檒l try to test continuity and resistance on the throttle position sensors andthe accelerate position sensors, but I have to figure out how to do that one.

Trying to avoid buying unnecessary parts but I may have to just get them anyway.

thanks mimmi for looking at this. Seems like the board is slowing down as the years go by.馃槺
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What spark plugs you use (NGK....)?
If your coils are 320 000 km old, I consider changing them among spark plugs.
What spark plugs you use (NGK....)?
If your coils are 320 000 km old, I consider changing them among spark plugs.
NGK PFR6D 10G as recommended on this board. The 13.. code is no longer pending so I can鈥檛 be sure it might have been 1312? That is a code that the board has attributed to coils in the past. I got my last set of coils used, per reference from Diggs. They worked fine for many miles but I don鈥檛 know how many miles are on them.
The plugs were new when I made the switch about 40-60k ago.
My problem seems to be the same as Scally鈥
He got new coils and plugs but never reported if it was fixed. I sent him a message.
Thanks.
If the plugs have over 50k miles on them they are suspect. Factory interval was 60k miles I believe, but they often fail around 50k miles.
If the plugs have over 50k miles on them they are suspect. Factory interval was 60k miles I believe, but they often fail around 50k miles.
Thanks for your input.
I鈥檓 pretty sure I鈥檒l buy the ESAAB PARTS ignition kit (coils and plugs).
If the plugs have over 50k miles on them they are suspect. Factory interval was 60k miles I believe, but they often fail around 50k miles.
Pretty sure you were right about the plugs.
Pulled them and tested them for resistance, per a YouTube video, one I couldn鈥檛 get any resistance and the other three showed a resistance that seemed low, so I got new NGK PFR6鈥
Put them in and ignition smoothed right out.
Started nice and clean too.
Went for a test drive and it felt great, so I think im good.
What a relief, thought I was having coil,
throttle body , wiring , or ECU which are a nasty.
So good advice from you thank you.
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