Much fuel consumption and black smoke from the tailpipe

Tiny
DEMANPLC
  • MEMBER
  • 1999 LEXUS ES 300
  • 10,000 MILES
Fuel consumption and black smoke from the tailpipe.
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Monday, August 19th, 2019 AT 8:20 AM

2 Replies

Tiny
SCGRANTURISMO
  • EXPERT
Hello,

Black smoke is an indication of two much fuel being burnt in the combustion chambers of your engine. Here is a link for you to go to below:

https://www.2carpros.com/articles/engine-black-smoke

Is your Malfunction Indicator Lamp (MIL) or "check engine" light illuminated?

Thanks,
Alex
2CarPros
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Monday, August 19th, 2019 AT 3:38 PM
Tiny
JIS001
  • EXPERT
Hello and welcome to 2carpros. As SCWICKEDSTANG stated on there earlier post, is there a check engine light on? If you have any faults codes for misfires on one bank only for example P0301, P0303, and P0305 then that would indicate a bad oil control valve or faulty air fuel ratio sensor. I just used those codes for example. You may have a P0302, P0304, and P0306 indicating. Bank2 fault? If you can provide additional information that would helps us try to give you better advise as to where to look for the fault.
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Thursday, August 22nd, 2019 AT 10:51 PM

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