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#1
10-25-2007, 06:01 PM
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Ezl
Why does removing the vacuum line at the EZL on the 420sel make the engine idle quieter?
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1984 300SD Orient Red/ Palomino 1989 560SEC 2016 Mazda 6 6 speed manual 1995 Ford F-150 reg cab 4.9 5speed manual 
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#2
10-25-2007, 07:52 PM
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Thats a new one.... Sounds too good to be true..
The vaccum is there to let the EZL decide when to advance the timing based on the amount of vaccum. More vaccum = Idle or slow moving Less Vaccum = Wide Open Throttle or fast moving So pulling the vaccum will let the EZL think that the car needs more advance timing and power thus advancing the timing. I wonder if the quiter engine you are referring may be due to the absence of the shaking at low idle; in which case increasing the idle will smoothen it out a little.... Hope it helps.
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1992 200E M102 102.963 AKA Silver Old Grumpy Always hope I can freeze someone with the aircon- Just change the compressor again, Subseal leaked with a psssssssss sound. Its the NON-3 Pointed star items on my car that cost more to repair.$%^&%%*^&
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#3
10-26-2007, 08:12 AM
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It definitly sounds as if it slows the engine speed down at idle.
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1984 300SD Orient Red/ Palomino 1989 560SEC 2016 Mazda 6 6 speed manual 1995 Ford F-150 reg cab 4.9 5speed manual
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#4
10-26-2007, 03:14 PM
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Quote:
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Master Computer Engineer, A+, Network+, MCP/MCSA/MCSE 4/2k/2k3 - Messaging, MCTS, MCITP, MCT, Brainbench, ICDL and starting Ph.D 380SE 1984 <------- Totaled by flipping accident 300SE 1988 <------- Sold Volvo S70 2000 <---- 4 family Opel Omega 2002 <-- 4 family 560SEC 1989 <------ Sold 560SEL 1990 <------ Sold 560SEL 1991 <------ 4 my mother 560SEL 1989 <------ Sold 600SEL 1992 <------ Current
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#5
10-27-2007, 08:48 AM
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Oh dear, could I have it wrong?
Anyone else knows? Thaks
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1992 200E M102 102.963 AKA Silver Old Grumpy Always hope I can freeze someone with the aircon- Just change the compressor again, Subseal leaked with a psssssssss sound. Its the NON-3 Pointed star items on my car that cost more to repair.$%^&%%*^&
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#6
10-27-2007, 09:55 AM
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When vaccum drops, timing is retarded. Engine runs slower.
When vaccum increases, timing is advanced. Engine runs faster.
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84 500 SEL (307,xxx miles)
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Linear Mode
