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Old 05-07-2007, 06:54 AM   #1
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Starting issues...'06 9-5

It's heading off to the dealer this evening. Any ideas; here's the problems:

Upon cold-start first thing in the morning after being parked overnight car will not start. Problem started Saturday morning and has occurred every morning since then. What happens:

-Saturday Morning: Engine would crank but wouldn’t fire. After several attempts; engine started, ran rough- then ran normally moments later.

-Sunday Morning: Engine would crank and would fire but immediately die. After several attempts engine started.

-Monday Morning: Engine would crank but wouldn’t fire. After a few attempts engine started but would immediately die. After a few more attempts engine started but ran poorly then at high revs for a minute or two.

At first I figured I got a bad tank of gas (Exxon 93) at the station in MD I stopped at on my way out for the weekend. However, after running the tank down from the drive up, then refilling at a different station (Sunoco 93) in a different state, and driving several hundred more miles- the problem continues.

I also thought maybe there was a fuel pump priming issue so I’d turn the ignition to “on” for a few seconds before starting (as in beyond a normal period of time)- this seemed to help it fire- but then it still died immediately after.

When I got it started on Monday- I stepped on the gas slightly as soon as it started/was running rough/about to die- the revs spiked to 3k or so but then it ran ok.

There is no check engine light (CEL) and after a minute the car seems to be ok in normal driving but is definitely down on power when passing (power seems to come on significantly slower than normal). It reminded me an awful lot of my LS1 cars when they pull timing for knock.
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Old 05-07-2007, 10:12 AM   #2
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Dude, i'm having the same problem with my '03 9-5 Aero. I have no clue what's wrong with it. I was just going to start a thread on this, but you beat me to it.

If i don't drive for a day or so and i go to start my car, the first attempt it will crank, but not start up. Second attempt, car will crank, catch, but then die. Third attempt, the car will fire right up and run fine. This happened to me twice already.

What's going on with ours cars guys??

Last edited by MikeyC84; 05-07-2007 at 10:16 AM.
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Old 05-07-2007, 10:19 AM   #3
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my moms struggles sometimes when its cold, like she'll start it, and wait a few seconds (like 10-15) and put it in reverse, and it stalls out. Hers is an auto
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Old 05-07-2007, 10:50 AM   #4
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I'll let you know what the issue was once I get it back from the dealer. My money is on the fuel system...but thats from experience with a mechanical throttle/standard ignition function vehicle.

I'm getting a new headlight auto-leveling sensor as well- mine failed.
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Old 05-07-2007, 11:58 AM   #5
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I'll let you know what the issue was once I get it back from the dealer.
Cool, thanks! Let us know if it's an expensive fix too.
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Old 05-07-2007, 01:10 PM   #6
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di or cps i bet.



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Old 05-07-2007, 03:08 PM   #7
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Like I said in the other NG900 OG9-3 forum, My moms 2003 9-5 Linear Wagon did the same thing when it was really cold. Under warranty the CPS and the plugs were replaced, batt a few months before that. And it still sounds kinda weak. Not sure if its the same thing that you are talking about.
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Old 05-07-2007, 03:20 PM   #8
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my moms 9-5 was like this too
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Old 05-07-2007, 03:21 PM   #9
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Damn Saabs
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Yeah, T5.2 its -.3 better then the rest.
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Old 05-07-2007, 03:30 PM   #10
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My dads 04 Arc does this everyday, exactly as you describe. He is waiting til he is at the dealer next time to try and get it resolved.

My mom 2000 95 LPT does it as well, but far, far less frequently.

Let us know what you find out!

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Old 05-07-2007, 04:05 PM   #11
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Will do, had to push my apt back a day though- need the car.
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Old 05-09-2007, 11:02 AM   #12
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Wow...so a few things:
1) They replaced my leveling sensor for the headlights (since they were winking at people)

2) I had an eraser sized hole in my center muffler (a noise I complained about since getting the car) I told them it was an exhaust leak somewhere- but they couldn't replicate before

3) They think the hard starting is due to carbon buildup on the valves and dirty injectors from a bad tank of gas this seems a little optimistic to me- but if it works I'll take it.
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Old 05-09-2007, 12:36 PM   #13
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that's odd, did they change & inspect the old fuel filter or do any other investigation to verify this or is this just their "best guess"?
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Old 05-09-2007, 12:41 PM   #14
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My 2000 9-3 did this too.

I replaced the DI cassette and spark plugs and it went away.
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Old 05-10-2007, 05:04 AM   #15
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3) They think the hard starting is due to carbon buildup on the valves and dirty injectors from a bad tank of gas this seems a little optimistic to me- but if it works I'll take it.
Let me be the first to call outright BS on this diagnosis.

1)If it was carbon build up, it would continue to start hard throughout the day. Our problem is only the first starting in the morning.

2)Further, if the car is starting normally, say at 5pm when you go home from, work but does not start well the next morning at 8am... What, did the carbon build up again?

LAZY diagnosis is what that is. Bring it back when the 5 day weather forecast is good and when you're scheduling mention that you are interested in a buying a 9-3SS convertible, but haven't driven one... then that will be your loaner!


To add to the known info on this problem, it is my experience that if you put the key to the on position allowing the fuel pump to run... say for 20 seconds, you will get a successful start 95% of the time. This would hint to me that there is not enough fuel pressure in the tank-to-engine fuel line after the car sits for 6 hours...
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Old 05-10-2007, 05:22 AM   #16
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the fuel pump only runs for a litmited amount of time i think omly three seconds and once fuel pressure has risen to where it should be there will be no more fuel pressure admitted to the system until the car will be started or attempted to
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Old 05-10-2007, 05:23 AM   #17
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the fuel pump only runs for a litmited amount of time i think omly three seconds and once fuel pressure has risen to where it should be there will be no more fuel pressure admitted to the system until the car will be started or attempted to
Hey good info! So 3 seconds of the key in the on position should have the same effect as 20? I'll test this tomorrow. This problem is annoying because you can't replicate but once a day...
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Old 05-10-2007, 05:24 AM   #18
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Agreed; they actually asked to hold it until another morning to see if the service fixed it. I'm putting $5 on "no".
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Old 05-10-2007, 11:40 AM   #19
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Another update from the dealer:

1) Full top end cleaning fixed the hard-start issue

They suggest using only the following top-tier gas companies:
QuikTrip
Chevron
Conoco
Phillips
76
Shell
Entec Stations
MFA Oil Company
Kwik Trip/Kwik Star
The Somerset Refinery, Inc.
Chevron-Canada
Aloha Petroleum
Tri-Par Oil Company
Shell-Canada
Texaco
Petro-Canada
Sunoco-Canada

2) Replaced both mufflers due to rust holes in each (believes something corrosive got on them at the factory before being put on the car

Apparently BP and Sunoco-US aren't good enough...and Saab exhausts can rust out after 17k miles...I am NOT happy.

I'll see for sure about the hard starting issue in the morning...if it really is fixed or not.
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Old 05-10-2007, 11:48 AM   #20
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the carbon thing for your starting issue is probably not going to help. I have seen this before on cars where it is a problem. These cars are usually higher mileage 60k plus. And we have found that the type of fuel and type of driving is the reason for it. If you have ethanhol in your fuel and don't drive very hard (town driving) you can get a black sooty build up on the back side of the intake valves. This build up will then soak up the fuel in the mornings before the car starts. Once the build up is soaked it will start untill it sets a long time. I hope this will help in explaining why this happens.
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