The Continuing Hesitation Saga.....3 years and running. - Saab 900 Bulletin Board - Saabnet.com
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The Continuing Hesitation Saga.....3 years and running.
Posted by Chet (more from Chet) on Thu, 16 Mar 2006 17:53:15
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The car 89 900T 240k
The intermittent hesitating happens at all times of driving but mostly when the gas pedal is pressed very lightly or between shifts when the rpms drop. The air fuel ratio gauge acts very strange.. runs lean then very rich and once the hesitation is gone the fuel mix goes back to normal. The tachometer does not drop suddenly when it occurs. Sometimes it will go away for days. Then other times it happens the whole drive.
The hesitation feels like letting off the gas(but I am not).
Parts replaced on car:
o2 sensor 3 years
AIC 1.5 years
AMM 3 years
wires (magnacore) 2 years
fuel pump 1 year
bov 4 years
all hoses are silicone
throtle body is clean
What makes this so hard to diagnose is the fact that sometimes it completely goes away for days. any ideas would be greatly appreciated
posted by 4.228.165...
Posts in this Thread:
- The Continuing Hesitation Saga.....3 years and running., Chet, Thu, 16 Mar 2006 17:53:15 <-- Viewing This Message
- And yet one more thing to chk, SDP, Sun, 19 Mar 2006 12:46:19
- also ck Hall Sensor & CEL codes nm, LanM, Fri, 17 Mar 2006 06:21:40
- more rambles, LanM, Fri, 17 Mar 2006 00:54:24
- Have you cleaned all of your fuel and ignition system, LanM, Fri, 17 Mar 2006 00:44:10
- vacuum assist?, petey, Thu, 16 Mar 2006 20:05:56
- Re: The Continuing Hesitation Saga.....3 years and running., Brian, Thu, 16 Mar 2006 18:35:27
- Re: The Continuing Hesitation Saga.....3 years and running., Hairbear formerly JohnB, Thu, 16 Mar 2006 18:07:05
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