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'87 TQW idle problem?
- To: quattro@coimbra.ans.net (Non Receipt Notification Requested) (IPM Return Requested)
- Subject: '87 TQW idle problem?
- From: glen.powell@smc.com
- Date: 11 Jul 1995 08:06:32 -0400
- Autoforwarded: FALSE
- Importance: normal
- P1-Content-Type: P2
- P1-Message-Id: US*ATTMAIL*SMCLAN;X400ATT Jul 11 08:06:32 1995
- P1-Recipient: quattro@coimbra.ans.net
- Priority: normal
- Sender: quattro-owner@coimbra.ans.net
- Ua-Content-Id: 320608110795
- X400-Trace: US*ATTMAIL*SMCLANarrival 11 Jul 1995 08:06:32 -0400action Relayed
Ever notice that when you own multiple vehicles that problems
always come in batches......? :(
The '87 QTW has developed an idle stability problem. The idle
is too high on starting the car when cold and then climbs to about 2KRPM
and then drops to about 900 RPM, only to then slowly increase again to
2KRPM and repeat the cycle. Boost operation is OK and the car runs
very well otherwise. I checked the idle stabilization solenoid, it
appears to
be working OK and is clean. The problem persists exactly as before if
the idle stabilizer is disconnected. Opening the oil filler cap
immediately
stalls the engine. No obvious holes/tears in turbo induction hoses.
The 900 RPM-to-2KRP-back-to-900 RPM cycle takes about 3 seconds.
A/C on or off makes no difference.
Any ideas?
-glen