Date: Sun, 25 Apr 1999 21:18:06 +0200 From: RCS <e9225126nopsam1.tuwien.ac.at> Subject: Re: 94 900S 2.3 stalls, idle varies
Sorry! Just seen there was a 2.3 in the headline!!! So itīs the new 900 - anyway, there can only be a vakkuum leak! RCS : > First you have to explain if your 900S is one of the last "old" or one of the > first "new" body style cars! > If itīs the old, classical one Iīd say itīs 99% caused by vaccuum leaks or > AIC-valve problems. If itīs the new one, it could also be some "missfitted" > vakkuum hoses/pipes > or some other electrical problems (sensors - this could be read out) but in > nearly all of the cases the engine gets the "wrong" air (leak in vakkuum hose > after the air was mesured by the air mass sensor - you canīt read out that). > That causes bad idling and stalling (when you release the throttle..) > > RCS > > DAVID KATZ > > > My '94 sprouted a heater hose leak last month. The dealer charged 2 hours > > labor to replace it, as a bunch of disassembly was needed to get at the > > firewall end. That would have been bad enough. But since then, the idle > > (when in drive) goes up & down quite a lot, I estimate 600 to 1000 rpm every > > 2 seconds, and it has stalled out a few times. I dried the exposed > > secondary wires immediately after the incident, and cleaned inside the > > distributor cap last week. Any other ideas? I don't see any obvious > > connections they forgot to put back together. > > -- > > Dave > > (interchange the Z and the last A to reply by email)
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