check for vacuum leaks unplug the negative post on the battery terminal for about 15 minites
CHECK IDLE CONTROL VALVE, I REPLACED COST 80 DOLLARS ONLY TWO SCREWS,WORKED FOR ME
Check the flush valve to see if it is sealing tight. Check the fill valve to see if it needs to be rebuilt or replaced.
check that the hose from egr valve is not clogged up. also disconnect battery for 5 or 10 minutes then reconnect battery. if problem is fixed on vehicle this will reset computer and remove the bad reading Oxygen sensor, jja
check your air idle control valve
New flush valve may be needed.
You need to have your check valve replaced.
The flow back check valve is in the pump.
Try disconnec ting the battery for about 10 minutes If this doesn't work have vehicle scanned to see if there is an additional problem
valve cover gasket
check engine light reset on a 1999 Acura CL 3.0.. Just replaced the egr valve. Thx
Yes, this is part of the job.
It might be that your pcv valve is plugged or the egr valve is sticking.