Question about 1996 GMC Sonoma

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1996 gmc sonoma idles high, i replaced the maf sensor but that was not the problem. this problem started after i did plugs cap rotor wires air filter. i have no codes on the obd but im still high idle.

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Check over that snorkle good, ive created vaccum leaks there before. look over it all and make sure shits plugged in of coourse. clean throttle and if its still acting up tap on iac and egr valve make sure theyre not stuck

Posted on Aug 22, 2010

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Posted on Jan 02, 2017

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it sounds like this didn`t happen until you replaced these items.i would recheck the firing order and make sure the wires are on the distributor cap correctly and in the order the rotor turns

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Thank you for using Fixya and good luck.

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