Question about 2005 Saab 9-5 2.3
STARTING THE CAR IS FINE , IDLES FINE, WHEN PUT IN DRIVE IT RUNS ROUGH AND LOUDER THEN THE AVERAVE CAR , SEEMS TO HAVE NO EXHAUST LEAKS IT DOES IDLE A LITTLE ROUGHER WHEN PUT IN DRIVE ALSO
Posted by Anonymous on
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Posted on Jan 02, 2017
Probably faulty reverse/neutral switch at tranny. Should be approx $20- $25 for switch, and I'm guessing 1/2 hr lab to change. Cleaning contact may help, worth a try, but doubtful.
Posted on Jan 11, 2009
Because the car has adaptive technology, it may take a while to reset and adjust to the new, cleaner and better conditions than those to which it had previously adapted.
Did you change the cap and rotor? if the plugs needed replacement, likely they do too
Possible other causes include:
loose or corroded connections to any electrical component you disturbed (make a checklist and tick them all off as you check them);
mis-reinstallation of any F.I. part disturbed(checklist again)
obstructed water flow through the AIC valve;
improper voltage output from the AIC valve (for LH 2.4 systems, should output 8 volt at idle, dropping as load increases; for LH 2.4.2 system output 7 volt at idle etc; testing between terminals)33 and 17 at disconnected LH connector;
possible problem with MAF.
Hope this helps
Posted on May 30, 2009
The battey may seem fine , but it most likley is weak and needs to be charged , or replaced. The clicking you hear is the ign relay or solenoid not having the amperage to fully engage the starter to allow the starter to turn the flywheel and start the engine. Also really check you battery connections , make sure they are super clean and tight.
Posted on Jul 25, 2009
One way to check for a blown head gasket, is to simply smell the coolant reservoir. Pop the cap, and see if it smells like raw gas. Every headgasket, I've diagnosed has had this smell, even if the oil is not contaminated. Another way is to hook up a coolant pressure tester, and run the vehicle for 15-20 mins or so. If the head gasket is blown, the pressure will exceed 15 psi. sometimes as high as 25 psi. If there is oil in the coolant overflow tank, the head is cracked, about 90% of the time.
I'm working on a 03 Saab 95 2.3l t. This vehicle smokes on initial start up, then the smoke disapates, and the vehicle is fine. Another mechanic diagnosed it as bad valve seals. I disconnected the pcv system, and the vehicle no longer smokes. If the valve seals have gone bad, the vehicle will smoke on acceleration. Also if the turbo seals are leaking it will smoke more heavily on acceleration.
Posted on Feb 17, 2010
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