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#1
09-12-2007, 02:42 PM
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Black smoke/rough puzzel - 560SEL 1989
It will work fine when I disconnect the EHA switch but when I connect it I need to realigne the fuel distributor and will work for a while then black smoke again and rough idle/cutting.
It's really annoying. I changed the followings: Spark plugs Injectors Spark plug wires Fuel filter Fuel accumulators (Front and back) EHA Fuel distributor I checked the followings and they are all good: Fuel pumps/pressure No oil in sparks No vacuum leaks O2 sensor Fuel pump relay Cap/rotor Engine timing Could a new EHA valve be faulty?
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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 Last edited by zcc; 09-13-2007 at 03:26 AM. 
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#2
09-13-2007, 02:47 AM
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Mainly, what could cause the black smoke?
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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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#3
09-13-2007, 01:39 PM
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Now the problem is occurring even when the EHA valve is disconnected. It's occasionally shaking a bit and surging.
Can someone give me the best test of a vacuum leak and where to test the leak? Thanks in advanced... It's a real puzzel for me.
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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
09-13-2007, 06:03 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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#6
09-13-2007, 06:10 PM
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2012 E350 2006 Callaway SC560
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#7
09-16-2007, 02:43 PM
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OK. I cleaned the intank by adding carb-cleaner in the break booster hose and the engine absorbed it. After that I realigned the fuel distributor while the EHA is connected. It's running fine now but with a little occasional surge on the highway. I'm suspecting a bad O2 sensor. Anyway it's not available in Kuwait. No more black smoke.
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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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#8
09-16-2007, 04:31 PM
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Can I add carburetor cleaner to the break booster hose for my 600SEL 1992 as well or it may cause troubles?
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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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