please help!code 51
05-27-2006, 04:04 AM
#2
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Originally Posted by bodo4runner
i have a 89 4runner and the check engine light came on and i checked the code and it showed a code 51.engine-22r-e,efi.
05-27-2006, 08:08 AM
#3
Registered User
Code 51 (from the 88 FSM)
No "IDL" signal or no "NSW" signal or "A/C" signal to ECU.
Possible causes:
a/c switch
a/c amplifier
TPS (Throttle position sensor)
NSW (neutral start switch - auto tranny)
No "IDL" signal or no "NSW" signal or "A/C" signal to ECU.
Possible causes:
a/c switch
a/c amplifier
TPS (Throttle position sensor)
NSW (neutral start switch - auto tranny)
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