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2011-2014 Mustangs
Power-Adders
Intermittent issues after VMP Stage 1 install - limp mode and P219A code
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<blockquote data-quote="cheeser" data-source="post: 16237963" data-attributes="member: 142342"><p>VMP asked me to reload the v2 tune they had sent me...thought it may not loaded correctly. I did have a problem loading it the first time...had a download error message where I updated tuner and pulled battery cable for 30ish minutes.</p><p></p><p>I’m still seeing an intermittent pending p219a code. VMPs update is supposed to disable a CEL from a p219a...just watching to verify if a p219a turns into a permanent / stored code. Hoping it doesn’t go permanent.</p><p></p><p>I haven’t seen anything online that documents the variance that actually trips this code...thought I saw a 15% or greater variance between cylinders.</p><p></p><p>At this time, I don’t know the root cause of this issue. Is it a vacuum leak, injector issue, O2 sensor, etc (per Fords troubleshooting data), or is it the tune itself? I don’t see any other codes or issues (idle, datalog) that would indicate an issue related to the engine/parts itself.</p><p></p><p>I noticed Ford had a TSB for this code which required a reflash, so this seems somewhat indicative of the tune for now. If it was a constant issue, it would probably be easier to resolve. Over the last few days, could drive 20 miles with zero pending codes, and then another 20 miles where a pending code would show.</p><p></p><p>Wish I could flash a conservative Rousch tune to compare. For now, just monitoring the situation. I’m a bit concerned in taking it out on an extended 20 minute road course session due to the added stress.</p></blockquote><p></p>
[QUOTE="cheeser, post: 16237963, member: 142342"] VMP asked me to reload the v2 tune they had sent me...thought it may not loaded correctly. I did have a problem loading it the first time...had a download error message where I updated tuner and pulled battery cable for 30ish minutes. I’m still seeing an intermittent pending p219a code. VMPs update is supposed to disable a CEL from a p219a...just watching to verify if a p219a turns into a permanent / stored code. Hoping it doesn’t go permanent. I haven’t seen anything online that documents the variance that actually trips this code...thought I saw a 15% or greater variance between cylinders. At this time, I don’t know the root cause of this issue. Is it a vacuum leak, injector issue, O2 sensor, etc (per Fords troubleshooting data), or is it the tune itself? I don’t see any other codes or issues (idle, datalog) that would indicate an issue related to the engine/parts itself. I noticed Ford had a TSB for this code which required a reflash, so this seems somewhat indicative of the tune for now. If it was a constant issue, it would probably be easier to resolve. Over the last few days, could drive 20 miles with zero pending codes, and then another 20 miles where a pending code would show. Wish I could flash a conservative Rousch tune to compare. For now, just monitoring the situation. I’m a bit concerned in taking it out on an extended 20 minute road course session due to the added stress. [/QUOTE]
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Intermittent issues after VMP Stage 1 install - limp mode and P219A code
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