Will these always set codes?
If the EGR valve, air bypass valve, O2 sensor, throttle position sensor, fuel pressure regulator are defective or going bad, will they always set a code?
Thanks,
Clava
1995 F-150 E4OD Ext. Cab 4X4 5.8 Blue&White 188,000
Have you driven a Ford lately? (Best tag line they ever had)


