Bad cold starts?
04-05-2013, 12:48 AM
#1
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Bad cold starts?
Sometimes when I start my car for the first time it will stumble and sound cammed but just worse.. Now recently when I start it it will start then ahit off within the first few seconds.. Then I start it up again and it's fine.. Any ideas?
04-05-2013, 09:19 AM
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I just made a thread about this last week. A lot of peoples LNF's have this problem but it seems that most people just ignore it. I will have to take a look at the Evap Solenoid. Some people also mentioned that it may be my BYT tune which it looks like you also have.
04-05-2013, 10:33 AM
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The Evap solenoid on the manifold? And my cat warm up is tuned off I know if it was on it wouldn't do it. Once u unplug the Evap I get a cel tho right?
04-24-2013, 11:32 AM
#10
I just noticed this last night, it got cold and when i started my car i got a horrible rattling noise for 2-3 seconds which is probably my Cam Phasers not parking correctly, but the car sounded cammed and stumbled then it was fine
04-24-2013, 01:02 PM
#11
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I love seeing threads like this and then being ignored when I say that the majority of the times the issue lies in the tune. Sometimes it's of course not and can be a sensor or mechanical issue but 8 times out of 10 it lies within the tune itself. Ask sully20 about his experience and subsequent resolution to his constant hard start issues he had with his tune before I fixed it. It's not to say the tune is "bad", I'm just simply saying that quite a few cold start issues that are happening below 40-50* or so are usually tune related and are easily fixable.
04-24-2013, 02:13 PM
#12
I love seeing threads like this and then being ignored when I say that the majority of the times the issue lies in the tune. Sometimes it's of course not and can be a sensor or mechanical issue but 8 times out of 10 it lies within the tune itself. Ask sully20 about his experience and subsequent resolution to his constant hard start issues he had with his tune before I fixed it. It's not to say the tune is "bad", I'm just simply saying that quite a few cold start issues that are happening below 40-50* or so are usually tune related and are easily fixable.
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