Toyota 4Runner Forum - Toyota 4Runner Enthusiasts Forum

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- - sputter and backfire underhood (https://www.4runnerforum.com/forum/general-tech-help-8/sputter-backfire-underhood-1100/)

neal	Feb 7, 2007 10:50 AM

sputter and backfire underhood

99 4runner from 0 to 5mph about twice a day in sputters and backfires under the hood. while it is doing this there is no exceleration then it is fine. Does this sound like spark plugs and or coil? thanks for all help and suggestions
nc

neal	Feb 7, 2007 05:45 PM

RE: sputter and backfire underhood

just changed spark plugs and the problem remains. seems to do it when engine is cold during excelleration only.
nc

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