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P050B cold start timing

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Old 28 Mar 2015, 09:55 am
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Default P050B cold start timing

Got a trouble light this morning. P050B cold start timing. Understand supposed to retard the timing until the cat warms up??

I started the car and went inside the house so don't know if any symptoms. Car ran fine when I left with engine light on.

I reset it and when I go out later will see if the light comes back on. The ECM was reflashed about a year or two ago for cold starting issues but never got a P050B before. What should I look for if it returns? As far as I know there is no sensor for this.
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Old 28 Mar 2015, 10:48 am
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Default Re: P050B cold start timing

Read this: Weird code P050B

2006 Touring Edition in Cool Vanilla...aka/Ghost
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Old 29 Mar 2015, 09:45 am
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Default Re: P050B cold start timing

Thanks for the info.

The good news is after resetting, no code last night or this morning at about 17 degrees.

Seems (doing some research) a lot of things (all expensive) can cause this. The one common in all explanations was the ECM (hope not).

Question though, I put in some Lucas oil treatment a couple days ago to see if itwould help in the oil consumption. I go through a quart every 1000 miles. Thought I'd experiment. Can the extra thickness at low temp have caused it??

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