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#1
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560SEL Check engine light
I have a 1989 560SEL and the check engine light came on. It stays on all the time regardless of engine temperature. No other symptoms and all runs well. Any ideas? Thanks.
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#2
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Check the oxygen sensor.
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#3
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Thanks I'll check it and report back.
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#4
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There is no check engine light in the 560SEL 1989. If so, where is it located?!!!
__________________
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 http://search.ebay.com/_W0QQsassZkhazenzcc |
#5
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It's on the instrument cluster. That row of warning/status lights. Turn key to position 2 and they all light.
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#6
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What sort of mileage interval should we change these at?
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I'm not a doctor, but I'll have a look. '85 300SD 245k '87 300SDL 251k '90 300SEL 326k Six others from BMW, GM, and Ford. Liberty will not descend to a people; a people must raise themselves to liberty.[/IMG] |
#7
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I checked all of the instrument cluster and no check engine light was there!
__________________
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 http://search.ebay.com/_W0QQsassZkhazenzcc |
#8
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Mine just says O2 Sensor on the far right...
__________________
I'm not a doctor, but I'll have a look. '85 300SD 245k '87 300SDL 251k '90 300SEL 326k Six others from BMW, GM, and Ford. Liberty will not descend to a people; a people must raise themselves to liberty.[/IMG] |
#9
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I checked the 02 sensor and I believe it is ok. It checks at around 6 ohms. The car runs fine and is getting normal gas mileage.
I disconnected the battery and re-connected. Afterward the check engine light did not come on and has not since. I accidently disconnected a vacuum line on a valve the is connected to the exhaust manifold several years ago and the check engine light came on. Perhaps this valve is getting old and may be failing. |
#10
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I have to say, reading all of your replies; You all need to find a good reliable Mercedes Shop. Have the codes read by someone who knows what they are doing. I would not recommend just driving it with the light on. Is it a CA car, grey market, Federal?
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