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Re: Help rough idle, hesitation
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Originally Posted by Adam89
I have a 97' Express van with a 5.7 liter and it has recently developed a pattern of turning on the service engine soon light on after 2-3 days of rainy wet weather and it runs rough after I start it up in the morning and it hesitates for about 1-3 minutes of driving then it smoothes out and it seems ok until the next start up, if it has sat for a while, Then after about 3-4 days of dry weather the light goes out and it runs perfect, anyway the codes are for the B1 S1 o2 sensor, It has been replaced recently but it keeps coming up on the code reader, the plug wires are fairly new and the plugs are new, I tried to squirt everything with water while it was running but it did not do anything, any suggestions? thanks
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What is the code no?
What brand/kind of plugs are you feeding it?
MT
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Remember proper testing gives us the answer to many problems.
MT
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