Re: Bad idle and stalling... - Saab 900 Bulletin Board - Saabnet.com
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Re: Bad idle and stalling...
Posted by gorper (more from gorper) on Thu, 1 Aug 2002 22:56:30
In Reply to: Bad idle and stalling..., eliott nudd, Thu, 1 Aug 2002 22:25:27
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could be just a vacuum leak, but could be more:
if the idle is only poor when cold and evens out once warmed up, suspect a dying air mass meter (AMM). use the search feature to find out more on this but, suffice it to say, the only fix is to replace it with another one with the same last 3 digits in the part number. rebuilts are available from a saabnet sponsor.
now, provided you do, in fact, have a bad AMM, then the stalling when coming out of gear at speed could indicate a dying turbo bypass valve. see link below for more info on this.
as to vacuum leaks in general, they are a pain with these cars. replace all under-hood vacuum lines with new: 3.5 mm ID and 6 mm ID sizes.
get a bentley repair manual. saabnet is valuable, but a bentley is invaluable. can be had from a number of saabnet sponsors for less than $50. skip the haynes manual.
posted by 63.225.176...
http://www.saabnet.com/tsn/bb/900/index.html?bID=194920
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