95 2.2 runs rough when engine is cold

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POPPABUSA

04-21-2009, 02:13 PM

My 2.2l S10 sputters and misfires under load when the engine is cold. Once it warms up, it runs perfect. Just put new plugs in it about a month ago. Any ideas?

Mercenary41688

05-12-2009, 04:13 PM

Possibly a coolant temp sensor....if it senses the engine is too cold it will dump more fuel therefore causing misfires.

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