When I come to a stop at a light or sign, the engine idling becomes uneven (200rpm to 700rpm). Car shakes. On a few occasions the engine has died. Also, on some days it takes a long time for the ignition to start the engine. Sometimes when coming to a stop, the ASR light comes on. When I start accelerating during a rolling stop, there is lack of power for a few seconds. Solved the problem of long starts by letting the air come on before turning the ignition. Don't know why it works.
 
Q&A
Ask Your Question1997 Mercedes-Benz E420
Question: Idling speed uneven especially on summer days - occasionally the engine cuts off
Answer Ranks
This week's top 10
| 1 globalhelper | 6 csubak30 |
| 2 pushrod | 7 FREDDY BLUE |
| 3 ziptie12 | 8 gearhead89 |
| 4 ChevyASE | 9 ebans777 |
| 5 wenyan | 10 tdtoolbox |