Quote:
Originally posted by zeronero
I'm going to trick the computer into thinking it's there. Since the pump doesn't have anything to do with normal emissions the only part that I'll have to worry about is the visual.
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But it has everything to do with emissions.
It runs when the car is cold. The engine is running rich, so the air pump pumps air into the exhaust to dilute emissions.
The newer M112 and M113 V6's and V8's with a SOHC and 3 valves per cylinder (one intake valve and two exhaust valves) allow the engine to run cleaner, especially when the car is cold, so air pumps are no longer needed.
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Paul S.
2001 E430, Bourdeaux Red, Oyster interior.
79,200 miles.
1973 280SE 4.5, 170,000 miles. 568 Signal Red, Black MB Tex. "The Red Baron".
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