# Check Engine Code

**URL:** <https://community.cartalk.com/t/check-engine-code/2700>\
**Category:** Maintenance/Repairs\
**Created:** [August 6, 2007, 6:59pm UTC](https://community.cartalk.com/t/check-engine-code/2700 "2007-08-06T18:59:12Z")\
**Posts on this page:** 5\
**Page:** 1

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**Author:** ![VAChiro](https://avatars.discourse-cdn.com/v4/letter/v/e68b1a/32.png) [@VAChiro](https://community.cartalk.com/u/VAChiro)\
**Post date:** [August 6, 2007, 6:59pm UTC](https://community.cartalk.com/t/check-engine-code/2700/1 "2007-08-06T18:59:12Z")

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Hey everyone  
  
 I have a 2000 Mercury Villager with a bucking and stalling problem. The check engine light has been on numerous times and has cost me serious money to replace a distributor, crank sensor, etc. The car still bucks and stalls at stops and another check engine light came on. Got it diagnosed at Advanced Auto that said:  
  
 P1336  
  
 Manufacturer Control  
  
 Ignition System or Misfire  
  
 Does someone know what this is?  
  
  
  
 Nick

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**Author:** ![VAChiro](https://avatars.discourse-cdn.com/v4/letter/v/e68b1a/32.png) [@VAChiro](https://community.cartalk.com/u/VAChiro)\
**Post date:** [August 6, 2007, 7:29pm UTC](https://community.cartalk.com/t/check-engine-code/2700/2 "2007-08-06T19:29:06Z")

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Anyone?

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**Author:** ![system](https://global.discourse-cdn.com/cartalk/original/3X/1/d/1d47c66a543aa6c5a7873bb2320858f978ff52ed.png) [@system](https://community.cartalk.com/u/system)\
**Post date:** [August 6, 2007, 7:44pm UTC](https://community.cartalk.com/t/check-engine-code/2700/3 "2007-08-06T19:44:52Z")

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My reference program that came with my new CAN OBDII trouble code reader says that P1336 for Ford products is “Crankshaft Position System Variation Not Learned”.

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**Author:** ![VAChiro](https://avatars.discourse-cdn.com/v4/letter/v/e68b1a/32.png) [@VAChiro](https://community.cartalk.com/u/VAChiro)\
**Post date:** [August 6, 2007, 8:52pm UTC](https://community.cartalk.com/t/check-engine-code/2700/4 "2007-08-06T20:52:26Z")

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Thanks for the info.  
The crank sensor was replaced 2 weeks ago.

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**Author:** ![hellokit](https://avatars.discourse-cdn.com/v4/letter/h/6a8cbe/32.png) [@hellokit](https://community.cartalk.com/u/hellokit)\
**Post date:** [August 6, 2007, 10:22pm UTC](https://community.cartalk.com/t/check-engine-code/2700/5 "2007-08-06T22:22:34Z")

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If you google P1336, you’ll get several pertinent hits (also, a lot of STUFF you don’t want). This is the clearest one I found (ignore it being about Chevy, it’s still applicable): [www.pacific-audio.com/performance/messages/265112.html](http://www.pacific-audio.com/performance/messages/265112.html). It seems that the engine computer will have to be relearned to the crankshaft position sensor with a scan tool.