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Old 09-19-2006, 09:32 AM
szrvnj szrvnj is offline
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very rough warm starts (popping) HELP

I have a 1994 pontiac grand prix with a 3.1L engine For the last several weeks when I start my car after it has been recently run I will get several loud pops (5 or 6) and then it will stop and idle perfect. It doesnt happen in the morning after it hasn't been run all evening but is most likely to do this after I go to lunch when it has set for 1-4 hours and then again when I leave to go home it will make this popping noise. It seems to not happen quite so bad or often in cold weather. Any help?????? Thanks.

Last edited by szrvnj; 09-19-2006 at 11:00 AM.
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Old 09-19-2006, 10:04 AM
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BNaylor BNaylor is offline
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Re: very rough warm starts (popping) HELP

Welcome to AF.

It would help to post your year, model, engine size and mileage.



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'08 Pontiac Grand Prix GXP (Dark Slate Metallic) - LS4 5.3L V8
'02 Oldsmobile Alero GL2 - LA1 3400 V6
'99 Buick Regal LS - L36 Series II 3800 V6
'03 Honda CR250R MX - 2 Stroke 250cc
'97 Pontiac Grand Prix GTP - L67 Series II 3800 V6 Supercharged (Sold)
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Old 09-19-2006, 02:52 PM
Thorn71 Thorn71 is offline
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Re: very rough warm starts (popping) HELP

just a question i am not ready to guess yet. have you changed your sparkplugs to another type or brand than OEM
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