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Ck Eng Light

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  • 1 Post By alanrw

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  #1 (permalink)  
Old 26 Oct 2012, 10:18 pm
Regular Cruiser
Join Date: Mar 2011
Posts: 164
Default Ck Eng Light

Got one today. Did the key dance and it came up P1294:

Target Idle Speed Not Reached Conditions: DTC P0106, P0107, P0108, P0121,
P0122 and P0123 not set, engine started, running at idle in Drive or Neutral, and
the PCM detected the Actual idle speed was more than 200 rpm over or more
than 100 rpm less than the Target speed for over 14 seconds. Possible Causes:
Engine vacuum leak in a hose, brake booster or in the engine IAC motor control
circuits open or grounded in the wire harness Throttle body dirty or restricted
(trying cleaning it and retesting) linkage or throttle plate not in the
correct position PCM has failed

Anyone dealt with this one before? Additionally, the last few days have experienced hard downshift when coming to a stop (automatic tranny). Any ideas?

Is there a vacuum hose from the engine to the AT?


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Old 27 Oct 2012, 02:29 pm
Regular Cruiser
Join Date: Mar 2011
Posts: 164
Default Re: Ck Eng Light

Hose between the manifold and throttle body had a thumb sized hole in it. Problem solved.

Busted_PT likes this.
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  #3 (permalink)  
Old 28 Oct 2012, 12:24 pm
Fresh Cruiser
Join Date: Oct 2012
Location: Seattle area
Posts: 29
Default Re: Ck Eng Light

Thanks for posting the solution to your problem, it helps others.
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Old 28 Oct 2012, 03:44 pm
Young Cruiser
Join Date: Oct 2012
Location: San Diego
Posts: 97
Default Re: Ck Eng Light

Any idea how the hole got there?
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