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Question

I have a 2000 SAAB 93. In the last few years it has sporadically failed to start. The dash lights up, the radio comes on, but the ignition does not engage. When this happens, I turn off the radio and A/C. I spend some time shifting the gears, thinking there might be a problem with some sensor that doesn’t think the car is in park. I’ve tried starting in neutral, locking / unlocking the doors, (with and without the key fob) and on a couple of occasions I’ve even pushed the car to change its position, again in case there is a parking brake sensor issue.   Eventually after some combination of these things, never the same combination, the car starts. Sometimes it starts after 5 minutes, but it’s taken up to 15 minutes to turnover. This appears to only happen in the summer. It usually happens after I’ve stopped and started the car several times within a few hours, as I shop from store to store. But it happens once, about 2 weeks ago when I’d only made a single stop. Last week was the

Submitted: 114 days and 15 hours ago.
Category: Car
Value: $33
Status: CLOSED
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Optional Information

Year: 2000
Make: Saab
Make (other):
Model: 93
Engine: 4 cyl

Already Tried:
Actions outlined in question. I had a diagnostic in August of 2005, dealer found bad cells in the battery and replaced it. No problems all winter, but by summer problem was back but only once or twice. Did speak with the same local dealer this year who told me honestly that he didn't recogise the problem and didn't think it would turn up on diagnostics since I called when the car was actually working. I could bring it in but he'd have to charge me the hourly rate with no assurance how long it would take (since he couldn't reproduce the problem), or if he could fix it. Problem has increased in frequency.

Posted by Pete 114 days and 13 hours ago.

Info Request

Hello,was anything else replaced to try and correct this failure?Thanks Pete

114 days and 13 hours ago.

Reply

Hi, not recently. The frist diagnostic run by the local in August 0f 2005 showed dead cells in the battery, which was replaced. Car started fine for a while. I started working from home so wasn't driving it much. The next summer the start failures recomensed,. May be once or twice for just a few minutes all season. In speaking with the same local dealer, he suggested that he really didn't that a diagnostic would show the problem. So the only thing replaced was the battery.

Posted by Pete 114 days and 13 hours ago.

Answer

In alot of these cases the ignition switch itself can fail causing this problem.This switch is a samll electrical box that powers up all components when the key is turned on and sends a signal to start the car when cranking over,this switch can fail part way creating a no start or no crank problem but it can still power up other components to work at the same time.Chances are you may have a failed ignition switch.The mechanic is right,they would need your car when it is acting up in order to test it properly to locate the failure,if the car is working ok when they have it then they wont be able to terst anything.One thing you could check yourself is the battery cables,make sure they are clean and tight on the battery as this can cause this failure to happen as I have seen before.I hope this info helped,if you need anything else let me know,Thanks Pete

114 days and 12 hours ago.

Reply

Hi Pete,

Hmm, that's been tried though not by me - I've been doing some looking around at other sites too. I found a bunch of folks with the same problem. One guy tried swapping out the ignition among other things:
Aug 13, 2008

My 2000 9-3 started doing this intermittent no-start thing last summer. Like you, I spent until i was broke (warrant conveniently just ran out). The problem magically went away in the fall and the car ran like a charm autumn, winter, and spring. Then summer temps (80 seems to be the magic number) and BLAMMO. This summer I AGAIN spent a boat-load of cash and every time it fails again, randomly. I've had the car towed 3 different times and drove it in twice to 2 dealerships and 2 other foreign car repair shops. I've begun video taping the no-starts. They cannot duplicate the problem and "there are no codes stored or pending in any system". Here's what I've had replaced so far:

- ignition cassette
- crank position sensor
- starter relay
- fuel pump
- ignition wires "tightened"
- car battery replaced
- batteries to all key fobs
The beginning of this week brought cool temperatures outside and the car ran perfectly. Yesterday it was back in the 80's and no start again. First thing this morning it in the 70's and the car started just fine. I called Saab yesterday, but of course was told that they have no advise or suggestions fo a car that has over 100k (mine has 122k). If ANYONE figures this out, tell us. I believe I'm going to wait until the fall and sell it. This message is just for anyone out there who is pouring money out to let you know what I've tried (and still keeps on the same problem).
Good luck and God-speed to all with similar Saab stories.

I'm afraid I can't invest in process of elimination repairs, like this guy did. One of the replies suggested the Neutral Safety Switch or AKA Neutral Position switch, which is apparently under a perhaps inadequate heat shield, is the source of the problem for all of us 2000 SAAB 93 owners. Would you have any thoughts on that as the possible culprit and if so what repair/replacement might cost and entail?

Thanks for your help and prompt replies!

Accepted Answer

this coulkd be a possiblitily and a likely one to,the neutral safety switch is probably around 100 to 200 dollars and most likely takes about 1 hour to install and adjust.This would be a rough estimate on this repair.Thanks Pete,let me know if you ned anything else.

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Expert: Pete
Pos. Feedback: 99.0 %
Accepts: 
Answered: 7/31/2009

ASE Certified Technician

12 years GM diagnostic Technician/Mercedes Benz Technician

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