Questions & Answers for: Buick lean mixture

...lean out the fuel-air mixture. I don't think it will pass emissions testing if you suffer from those in your state but it has probably already eaten your catalytic convertor. You could check this by ...

...bank 2. That is an oxygen sensor, these sensors send a signal to the computor to adjust the rich/lean fuel mixture. When a code comes up for them, they generally need replacing. Change the

...noise coming out of the motor sounds like you have a severe vacuum leak, causing a lean condition. The car runs for a short period because of the rich mixture the computer provides for cold

What are the specs for adjusting MC solenoid,lean mixture and rich mixture screw on a Rochester,4 barrel feedback carb? typically it's close the screw(s) then open them one and a half turn.

...lean fuel mixture (lean misfire), an EGR valve that is stuck open, dirty fuel injectors, low fuel pressure, or even bad fuel. A random misfire code usually indicates a vacuum leak or bad gas. a ...

...lean fuel/air mixture). If the check engine light is on, take the car to Autozone or a similar business that offers a free scan of the computer. This may provide additional clues. Hope some of this ...

...lean fuel mixtures (and every mixture in between).  Oxygen sensors seem to provide more of a fine or subtle mixture change, and in the middle so to speak are coolant temperature sensors located ...

2003 buick centry lean fuel mixture Is the check engine light on? Was there a code or codes that told you this? (P0171, P0174) What engine do you have? Have you checked for vacuum leaks?

PO 171, PO 174, AND PO 506 JUST NEED HELP 171 and 174 are Lean mixture warnings from the exhaust oxygen sensors. 0506 is the idle air speed warning. Check for vacuum leaks.

lean mixture. That in its self will not make it not start. You need to see if it is not getting fuel or does not have spark to the plugs. To do this, first take off the air cleaner system and squirt a