- Joined
- Feb 8, 2007
- Messages
- 20,417
- Location
- Portsmouth, Hampshire.
- Car
- E55K SL500 E250X2 Smart44 Brabus Track car E450Cabriolet X350 Pick up
There are a number of things that cause a rough idle on a 112 and 113 engine.
1. Spark plugs
2. Plug leads
3. Coil packs
4. Intake Air leak
5. Failing MAF
6. Poor injector spray
7. Timing
1. Spark plugs
2. Plug leads
3. Coil packs
4. Intake Air leak
5. Failing MAF
6. Poor injector spray
7. Timing