Questions & Answers for: Toyota lean mixture

...does this reading stand for there is lean and rich. This is the air/fuel mixture. Usually set by car computer if it is fuel injected. It the reading is not correct. It may be time for new o2

...would likely cause problems with cold start & codes for lean mixture as well. Cold start requires more fuel, (rich mixture) and if not enough being delivered, would also cause lean mixture

mixture again and the vehicle dies. Google carburetor LEAN conditions and you will get a list of things that cause a lean condition, hopefully you can pinpoint the problem from there. Hope this helps!

...example would be a vacuum leak that allows non metered air to enter the engine (more air same amount of fuel = lean mixture) or a clogged injector (same amount of air less fuel = lean mixture as

the computer will make it a rich or lean mixture to start the engine,if it tells the computer that it is 75 degrees the computer will lean the mixture like starting a car in the winter without a choke

...mixture with excess air leading to lean running. Lean mixtures lead to high combustion temperatures which produce NOx. A malfunctioning EGR valve will not recirculate enough exhaust gas to keep ...

air/fuel mixture lean bank 1 cylinder 1 lean what it means its the air mass flow sensor its bad

...code 171 you asked about. Code 171 is for the fuel mixture on bank one being too lean. The O2 sensor is telling the computer the fuel mixture is too lean and the computer can not make it rich

...mixture control contenous lean- FAULT 1995 toyota camry 4cyl 2.2 i already replaced the EGR VALVE that code is gone, but mixture control contenous lean returned after clearing all faults. Check some ...

...the probable causes of DTC P0171? Get it to someone with a suitable diagnostic reader and find out. This is for a lean condition ! vacuum leak etc... P0171 Toyota Air Fuel Mixture System Lean Bank ...