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#1
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C 230 Vibrates At Idle
HELLO ALL, THIS IS MY FIRST POST TO SITE!
I have a 1998 C 230 with 101, 000 miles on it. After startup and driving for 5-10 minutes when I drive no problems but when at idle in drive and stopped it will shake for 2 seconds but not turn off. It wont do it after that at all until after cold start. Doesn't matter outside temp. no check engine light. Sometimes rough idle in park. No problems at all accelerating to 100 mph. WHAT CAUSES THIS. Throtle body what symptoms from this, MASS AIR SENSOR NEEDS cleaning replacing? WHAT symptoms if maf sensor goes out? SPARK PLUGS CHANGED 7 MONTHS AGO WITH FUEL FILTER. Ideas would be appreciated! |
#2
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Sounds like the normal air pump self test. This has been discussed before, you might try searching. Anyway, it turns on the pump for about a second and if the engine stumbles then it knows the pump is working.
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1998 C230 330,000 miles (currently dead of second failed EIS, yours will fail too, turning you into the dealer's personal human cash machine) 1988 F150 144,000 miles (leaks all the colors of the rainbow) Previous stars: 1981 Brava 210,000 miles, 1978 128 150,000 miles, 1977 B200 Van 175,000 miles, 1972 Vega (great, if rusty, car), 1972 Celica, 1986.5 Supra |
#3
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what about Throtle body what symptoms from this, IF MASS AIR SENSOR NEEDS cleaning replacing? WHAT symptoms if maf sensor goes out?
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#4
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Typically the CEL goes on and you get codes like P0170 I believe. There is lots of info on this. Just do a search. However, if all you have is a stumble once a day for 1 second when you come to a stop then that is normal.
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1998 C230 330,000 miles (currently dead of second failed EIS, yours will fail too, turning you into the dealer's personal human cash machine) 1988 F150 144,000 miles (leaks all the colors of the rainbow) Previous stars: 1981 Brava 210,000 miles, 1978 128 150,000 miles, 1977 B200 Van 175,000 miles, 1972 Vega (great, if rusty, car), 1972 Celica, 1986.5 Supra |
#5
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Maybe the engine mounts?
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1999 C280 |
#6
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Air pump self test. Ignore.
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John Shellenberg 1998 C230 "Black Betty" 240K http://img31.exs.cx/img31/4050/tophat6.gif |
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