Question about 2004 Saab 9-3

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2003 9-3 No Start, No Pattern

2003 Saab 9-3 convertible.  Housed and operated in nice warm climate.
Sometimes will not start, but always starts after overnite park. Other than that, it may fail at any time of the day, even when it's been parked for awhile.  
I turn the key and nothing happens (no coughing, etc.)  The car will eventually start, after 3 minutes to 2 hours.  When it does start up, it shows no other problem at all.
I have tried various ideas:  raise hood [may help a bit, hard to tell], jiggle the gearshift to find a sweet spot, turn the key with varying degrees of twist and pressure.    Sometimes I think one of these techniques has worked, but then the next time it does not.
Saab dealer has replaced the starter, based on a computer analysis.  That was a waste of $$$ on my part.  The mechanic can't brainstorm the problem because the computer says the car is okay.
Obviously, the computer is wrong.

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Hi and welcome to FixYa,

Offhand, Saabs are not very common in my country, but a car is a car and the basics the same, just the implementation different

i am assuming the dashboard instrumentation indicates that power (12VDC) is entering the system once the key is turned. Other possible causes (if present) of no start/crank condition are:

  • alarm/security/immobilizer;
  • starter relay/interlock;
  • weak battery (just clicking sound);
loose engine ground.
Others that just might be:
  • overheat/temp sensor;
  • no/low oil level.
Pls post back result(s) of tests. Good luck and thank you for using FixYa.

Posted on Jan 21, 2009

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There Should be a Starter Relay in one of the Fuse Panels for this. Find this and Replace. It should help out. A Relay going bad could cause this Form of Attitude.

Posted on Jan 21, 2009

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Posted on Jan 02, 2017

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