Cold start issue - Cobalt SS Network

2.0L LNF Performance Tech 260hp and 260 lb-ft of torque Turbocharged tuner version.

Cold start issue

Old 11-10-2018, 11:28 AM
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Cold start issue

I've had an issue for quite awhile now I cant figure out. When I start the car on a cold morning it will backfire and pop and try to stall out for about 20 seconds or so. I dont think its tune related as I have loaded some older tunes to test it out with the same results. Its an LDK build. I'm wondering if it might just be the nature of stage 2 cams on a cold day. Runs perfect after 30 seconds, just that first start it coughs
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Old 11-12-2018, 09:46 AM
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Check your spark plugs yet?
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Old 11-12-2018, 10:45 AM
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the moment it fires hit the gas and hold it at 2500-3000 for 10 seconds or so. Should purr like a kitten after that.
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Old 11-12-2018, 11:01 AM
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..

Yeah, afraid the issue has persisted thru a few sets of plugs. I guess I may have to tap the gas to hold rpm's up as armcclure suggests, but it bugs me that it didnt always do that.
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