Need help with problem codes. PLEASE!!!

[G-Force]

32 EGR Vacuum Error

35 IAC Error

41 TACH Input Error

42 Open Est/Bypass Circuit.

Spend the better half of the morning trying to fix this with no luck. IAC reading is a constant 0 on my OTC.

 

[mikestertwo]

32 EGR Vacuum Error

35 IAC Error

41 TACH Input Error

42 Open Est/Bypass Circuit.

Spend the better half of the morning trying to fix this with no luck. IAC reading is a constant 0 on my OTC.

A leaking EGR valve will give you the first 2 errors. A bad ignition module or bad connections to the module will give you the 2nd two errors.