2000 Civic Ex Issue HELP
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A week ago I bought a Civic [D16Y8] and it seems when it gets warm it starts to hesitate while shifting through the gears. Best way I can explain it is if I was going about 20mph and in a high gear (like 4th or 5th), but it also seems that after a certain rpm (maybe about 2500/3000) it 'kicks' in and accelerates normal. Weird thing is, if I shut the car off and turn it back on it shifts like normal for a certain amount and time and goes back to the hesitation. I put in some NGK copper spark plugs and new wires, and cleaned the IACV. Where should I start?
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I'd start with the transmission. My 1992 Toyota Paseo did something similar, but I didn't know squat for cars back them. When it was hot out or I've been driving for a while, it'd immediately shift from 2nd to 3rd (basically a split second in 2nd gear) and it would only downshift if I stomped the gas pedal a bunch like I was angrily pumping up a bike tire.
We ended up getting rid of the car before we could figure it out. I'm not too knowledgeable about auto transmissions, but I'd probably start with checking/topping (or changing) the transmission fluid.
We ended up getting rid of the car before we could figure it out. I'm not too knowledgeable about auto transmissions, but I'd probably start with checking/topping (or changing) the transmission fluid.
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I'd start with the transmission. My 1992 Toyota Paseo did something similar, but I didn't know squat for cars back them. When it was hot out or I've been driving for a while, it'd immediately shift from 2nd to 3rd (basically a split second in 2nd gear) and it would only downshift if I stomped the gas pedal a bunch like I was angrily pumping up a bike tire.
We ended up getting rid of the car before we could figure it out. I'm not too knowledgeable about auto transmissions, but I'd probably start with checking/topping (or changing) the transmission fluid.
We ended up getting rid of the car before we could figure it out. I'm not too knowledgeable about auto transmissions, but I'd probably start with checking/topping (or changing) the transmission fluid.
Thank you for your reply, my Civic is a manual though. It's odd because the car runs absolutely perfect sometimes. But then after driving it from a stop, in all the gears it just feels like I have no power, until I hit a certain rpm then it springs into life but then repeats itself with the remaining gears. But when it does the hesitating thing, as soon as I shut my car off and turn it back on it runs perfect again until the issue pops up. Someone told me it could be the o2 sensor, which I plan on changing eventually anyways, but I also want to finish my tune-up with a new dizzy cap and rotor. I was just trying to get this issue fixed so I can move onto replacing everything else for good measure.
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Re: 2000 Civic Ex Issue HELP
if I was going about 20mph and in a high gear (like 4th or 5th),
Otherwise, is the check engine light on? Got codes?
Does the CEL work? Read codes even if there is no CEL on, someone may have killed the bulb.
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Of course that's not how I'm driving, that's just the best way to explain my problem, that's what it feels like. I'm driving it normally it just feels like its not moving the way its suppose to, and I'm going to get some codes in a little bit.
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Re: 2000 Civic Ex Issue HELP
Intermittent issues are never easy to diagnose. The o2 sensor (as you mentioned) is a possibility and never a bad part to change out if there's a lot of miles on the present one or you don't have prior history of last time (if ever) it's been replaced. However, they are somewhat expensive new for Denso OEM. When they're failing they don't always throw a CEL. You can ohms and volts test them with a DMM... google it.
When you cleaned the IACV did you also clean out the throttle body? A failing/weak ignition coil (in distributor) might cause the symptoms you described. Test:
http://easyautodiagnostics.com/honda...system-tests-4
When you cleaned the IACV did you also clean out the throttle body? A failing/weak ignition coil (in distributor) might cause the symptoms you described. Test:
http://easyautodiagnostics.com/honda...system-tests-4
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Intermittent issues are never easy to diagnose. The o2 sensor (as you mentioned) is a possibility and never a bad part to change out if there's a lot of miles on the present one or you don't have prior history of last time (if ever) it's been replaced. However, they are somewhat expensive new for Denso OEM. When they're failing they don't always throw a CEL. You can ohms and volts test them with a DMM... google it.
When you cleaned the IACV did you also clean out the throttle body? A failing/weak ignition coil (in distributor) might cause the symptoms you described. Test:
http://easyautodiagnostics.com/honda...system-tests-4
When you cleaned the IACV did you also clean out the throttle body? A failing/weak ignition coil (in distributor) might cause the symptoms you described. Test:
http://easyautodiagnostics.com/honda...system-tests-4
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