I need help here please... powerloss above 3500rpms, idles to low in drive, stalls at stop lights periodically, wandering idle at times. no check engine light (just on because of rear o2 sensors, OR-H)
tried;
cleaning MAF
cleaning IAC
replaced TPS
replaced fuel pump
replaced fuel filter
visually inspected for vacuum leak
tried;
cleaning MAF
cleaning IAC
replaced TPS
replaced fuel pump
replaced fuel filter
visually inspected for vacuum leak