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Old 12-10-2014, 02:55 PM   #191
acj47
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Quote:
Originally Posted by Foobar View Post
Right on! I've been using the quiet cold start through cold weather (right at freezing) and haven't had any issues. I know the primary purpose of the original start parameters are to make the cats more efficient, so I'm feeling a bit guilty about that, but then again, I've already eliminated one of the cats, so I'm already in the hole I guess.

Exactly - I don't want to be the pesky neighbor with the loud exhaust, especially early in the morning. I changed the Ignition Timing Post Start values to 0 (0.04) yesterday, but the car still started up at ~2100 RPM and threw the CEL P050B (Cold Start Ignition Timing Performance). I'm hopeful that editing the MAF Correction AFter Start (In Gear) & (Neutral) tables will eliminate throwing the CEL and bring down the idle RPM to my Idle Speed Target values.

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