Put some fuel injector cleaner in a tank of fuel. Replace the fuel filter and fix any vacuum leaks.
If you are getting a Lean code then it is probably being caused by the intake plennum gaskets. This is a common problem on the Windstar. The fix is relatively easy.
Trouble code P1131 means: Lack Of HO2S11 Switches - Sensor Indicates Lean
Trouble code P1131 means: Lack Of HO2S11 Switches - Sensor Indicates Lean
Look for a vacuum leak.
i got this code when i had a vacuum leak. check all the air hoses for leaks
$800
$800 +
Replace? It should be at the bottom of the reservoir
Let it thaw. or... It should fix the car if your nicer to your wife.
what does system to Lean Bank 1 on 740iL 2001 means
Replace the shocks and struts! :-D
around 900$