1998 Civc Jumpy RPMs cant pass smog (I need Help!!) - Honda Civic Forum

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Old 02-18-2008   #1  
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Question 1998 Civc Jumpy RPMs cant pass smog (I need Help!!)

1999 Honda EX Coupe

Problems passing smog and RPMs are jumpy as hell

I have problems with my RPM being jumpy. Usually around 50-70 MPH the RPMs jump like crazy and my MPH goes from 70 to 40. I believe this to be an ECU problem, seeing as when I go to smog my car it doesnít pass because the CE light doesnít turn on (the bulb works when I start the car).

My mechanic opened up the ECU and it looks fine and runs fine when the car is not on.

I bought this car from a private dealer and I need some help, any ideas would be much appreciated.

I am taking it in the Honda dealer and I cant spend to much money.

If you have any questions please email me at

[email protected]


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1998, 1999, 2000, 70, 98, civic, honda, jump, jumpy, mph, pass, rmps, rpm, rpms, smog

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