My 2000 Buick Park Avenue stalls while driving. I get no SES light but my
scanner does show the MAF code, P0101, after this happens. The car will only
restart if I clear the code. So I'm basically wondering if the MAF sensor is
NOT the culprit, since the cleared code makes the car start again. (If I
don't clear it, it's a bitch to restart). I just want to double check my
logic, before replacing it.
It's actually a new (remanufactured) MAF, installed last March. The dealer
that installed it is hesitant in replacing it since my car won't stall for
them. I'm just trying to get a consensus on what people think because I find
it odd that the car can restart when clearing a code. It seems more like a
computer problem than a MAF sensor.
Any secondary codes: When you clear a code you reset the whole computer so
someone needs to look at all the stats in the computer and freeze frame data
if there is any at the point of failure. May even require a scanner running
on the computer while driving to the point of failure. It isn't just the
code clearing that corrects the problem.
There's just the one 'pending' code, P0101. I'll see if I can get a scanner
that will diagnose while driving. I won't be taking it to the shop anymore.
They charge $60 just for driving it and the car won't stall unless driving it
down a hill; and there aren't any near the shop.
Well, realize that it may be both. There may be a computer issue that the
code causes 'your' problem in that it won't start, and that the computer
But the error occurring in the first place is the 'start' of the problem, in
it triggers the events that eventually lead to not starting.
How expensive is the MAF? I had a friend with a German car that used
this platinum wire to sense air flow, and when it broke, it was wickedly
expensive. Not to mention his car was out of service for almost 5 weeks.
Before I'd recommend trying to clean it, I'd try to find out how fragile it
would be in case it now HAS to be replaced, and how long it would take
to get a replacement.
Gm parts have at least a 1 year warranty.
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