My 2001 toyota corolla with the 1.8 VVT-I 16 valve has 107,000 miles on it.I pulled the #1 cylinder's saprk plug to look at it and see what shape they were in.I put it back in,it idled very rough,like it was missing a cylinder.I double checked everything,replaced all 4 plugs with the correct iridium ones,still did it.The iridium ones don't have to be gapped either.No check engine light was on by the way at anytime.I checked the coils again.It has 1 coil for each cylinder.They all looked fine.So I said fine,I'll drive it to the Toyota Garage.On the way,I throttled the piss out of it and the idle smoothed out and ran like a bat outta hell.So then I pull over and see if the engine idles well in park,and sure enough,it did.So everything's cool now,but I don't know what the hell was goin on with this car,what made it do that.I checked the service manual and there's no special procedure for takin those coils out or the plugs out.Just a torque spec on the plugs which I did torque them to spec
2007-09-28
18:27:08
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4 answers
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asked by
Kylie
4