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P1299 code - no start - cold V6 engine

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Old 04-07-2014, 09:19 AM
F150vettehauler F150vettehauler is offline
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P1299 code - no start - cold V6 engine

Just went out to start the truck (2006 4.2L) and no start...turns over but isn't firing.
I checked codes and got a P1299. She was stone cold and ran perfectly last night - never overheated.

I suspect ground or other wiring...where should I start?

Thanks
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Old 04-07-2014, 10:37 AM
F150vettehauler F150vettehauler is offline
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I just cleaned battery terminals and popped open the PCM connectors (x3), sprayed contact cleaner and reassembled. She fired right up and the code was gone...
Last week I had 3 days of code hell. Every other day I was getting a P0606, 0616 and P2106...intermittently. Its been perfect for about 4 days until the 1299 this morning.
I think its time for a new PCM?
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Old 04-07-2014, 11:24 AM
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danorules danorules is offline
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Load test the battery first. A lot of gremlins and unexplained codes pop up when the battery is falling to produce proper voltage.
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Old 04-07-2014, 11:30 AM
F150vettehauler F150vettehauler is offline
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Quote:
Originally Posted by danorules View Post
Load test the battery first. A lot of gremlins and unexplained codes pop up when the battery is falling to produce proper voltage.
Will do, thanks
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Old 04-07-2014, 01:40 PM
F150vettehauler F150vettehauler is offline
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Battery checked out good - meets or exceeds specs
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