97 Mazda 626 2.0 code P1506

[Daytown]

Vihecle Runnig Good. but it has code P1506
and these are the Possible Causes
EGR valve is stuck open or leaking, or the gasket is leaking
EVAP purge valve is leaking or stuck in open position
IAC solenoid control circuit is shorted to ground (intermittent)
IAC valve is stuck open (it may be dirty or have failed)
PCV valve is leaking, or a leak in the intake manifold exists
PCM has failed
any Experience or recommendation of wish one?

[dbsauto]

code

Check for a vacuum leak

[salvaje07]

Ford IAC's are problematic, a leaking PCV is common and also check that the TPS does not have an off idle glitch or jump in voltage.