Engine - Rough Idle/Low Idle Speed
Bulletin Number: 232-2617Date: April 2006
Market: all
Performance problem due to low engine speed and uneven idling
Cars affected
All Saab 9-3 M06 with engine alternative B207 within engine interval 6 512 506 - 6 526 753 within Vehicle Identification Number range 61025972 - 61122038 and 66005820 - 66100566.
Background
On some cars, the air nipple on the inlet manifold and brake vacuum hose is loose. This has a negative impact on performance, especially at low engine speed and uneven idling.
In the event of customer complaint, the following procedure must be carried out.
Symptom description
Performance problem due to low engine speed and uneven idling.
CHECK ENGINE lamp on.
The following diagnostic trouble codes may have been generated:
P0101
P0507
P0300
Parts required
Procedure
1. Remove the engine cover.
2. Remove the air nipple from the inlet manifold and from the vacuum hose.
3. Grind the surface of the air nipple with sandpaper. Clean the air nipple and the area around the air nipple hole using an alcohol-based cleaning agent.
4. Apply Loctite 648 to the air nipple.
5. Fit the air nipple. Allow the Loctite to harden for 30 minutes.
6. Attach the quick coupling of the vacuum hose.
7. Fit the engine cover.
8. Erase all diagnostic trouble codes and road test the vehicle.
Warranty/Time Information
In the event of customer complaint and if the car is within the warranty period, use the following information to fill out the claim:
Failed Object: 25110
Fault/Reason code: 78
Location code: 09 (US=9)
Warranty Type (US): 01
Repair/Action code: 05
Labor Operation (US): 2511009
Labor Operation (CA: J6980): 2511009
Time: 0.8 hr
Fault diagnosis procedure is not available.
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