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Old 10-16-2005, 21:34   #1 (permalink)
xrlover
 
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What are codes 12 & 16??(lost my manual)

hi guys just want to know what the codes 12 & 16 mean i have misplaced my book.
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Old 10-16-2005, 23:31   #2 (permalink)
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Re: What are codes 12 & 16??(lost my manual)

12 (r): PCM could not increase idle speed above normal idle during KOER high RPM idle check. Suspect throttle body coking.

13 (r): PCM could not lower idle speed below normal idle during KOER low rpm idle check. Suspect Idle Bypass valve problems.
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Old 10-17-2005, 01:09   #3 (permalink)
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Re: What are codes 12 & 16??(lost my manual)

thanks for that
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Old 10-17-2005, 01:13   #4 (permalink)
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Re: What are codes 12 & 16??(lost my manual)

so is that saying my base idle is too high?? Im confused
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Old 10-17-2005, 03:10   #5 (permalink)
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Re: What are codes 12 & 16??(lost my manual)

12 (r): PCM could not increase idle speed above normal idle during KOER high RPM idle check. Suspect throttle body coking.

Its suggests your throttle body is blocked / restricted by coking or buildup

16 (r): ISC can't keep engine from stalling. Check for short to ground in ISC circuit.

sorry I put 13 up instead of 16
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