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Hello Everyone-- I am hoping I might be able to get some insight from the group as to what my issue might be (car issue that is)!
The car in question is a 2002 Saab 9-5 Aero wagon with an automatic transmission. I bought it with about 65,000 miles this February and since then other than upgrades and some small repairs it has been flawless. When I first bought the car I called Saab to make sure that the usual recalls (DI cassette, sludging updates, etc) and was assured that they were all taken care of.
When I first bought the car I did have a day of issues where I had been driving the car in city traffic and it did stall one time when shifting from park to reverse; the check engine light and the transmission light came on and then after restarting the car (which started fine mind you!) the transmission light stayed on for about 10 minutes and then dissapeared. I did the research on the subject here and I suspected that the neutral safety switch was either bad or going bad but after that one brief time the problem never reared its head.
Fast forward to today; I am driving the car in stop and go traffic and I notice that one time from a stop the car hesitates from idle but accelerates forward just fine. Five minutes later I am idling in traffic and when I go to move forward the car stalls.. but after moving it to neutral it restarts just fine. It hesitated a couple more times on my 30 mile commute home and after letting it cool down I checked the plugs (NGK BPR6ES-11R) and they look fine after only having about 10,000 miles on them and after re-installing them I drove the car and it stalled out once pulling out of my driveway when shifting from reverse to drive. It did it again in a low-speed U-turn and then again within another mile or two.
I would immediately suspect that the DI cassette was bad but I was assured by Saab that it was replaced under recall but then again there aren't any check engine lights. I would also suspect the neutral safety switch but again... no transmission check lights.
So here are my thoughts and what I am hoping to do is to narrow it down by the help of those who have gone through it:
1) Bad DI cassette?
2) Bad neutral safety switch?
3) dirty throttlebody or bad MAF sensor?
4) defective timing sensor?
5) something else I haven't thought of?
I am wondering if I either go to an autozone/Checker/advance if any one of those issues will throw a code that I could retrieve off of their OBDII scan tool?
Any help you can offer would be greatly appreciated.
Paul
posted by 70.176.6...
, Fri, 7 Sep 2007 05:15:14
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