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2008 Civic stutters when under load


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bluearc74
User

Oct 19, 2021, 6:48 PM

Post #1 of 5 (185 views)
2008 Civic stutters when under load Sign In

Hey all. So I have a 2008 Honda Civic LX 1.8L with 170000km. This thing idles good and steady when in park. When at a light in Drive it hiccups and seems worse when A/C is on when coming to a stop it goes really low idle. Also when driving on the highway only when vehicle goes into its 5 gear the rpms are around that 1800-2200 rpm and if you are very slowly speeding up it doesn't hiccup but if you give it a little heavier push on gas or going uphill in cruise under load it stutters quite bad. Always staying in 5th. Keeping in mind this is automatic transmission as well. If say we are at 90km/hr and it's in 5th and rpms around 1800rpm and you give it to enough gas to shift down to 4th gear will bring rpms up and the vehicle does not chug at all. Not noticeable anyway. Any ideas on what a guy should start digging into on this thing?

Cheers


Hammer Time
Ultimate Carjunky / Moderator
Hammer Time profile image

Oct 19, 2021, 6:55 PM

Post #2 of 5 (179 views)
Re: 2008 Civic stutters when under load Sign In

I have to assume you have a check engine light on. Get some codes read because it sounds like a misfire.



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We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.



bluearc74
User

Oct 19, 2021, 10:01 PM

Post #3 of 5 (162 views)
Re: 2008 Civic stutters when under load Sign In

Sorry I should have mentioned that was the odd part. I have absolutely no engine codes being thrown.

Cheers


Hammer Time
Ultimate Carjunky / Moderator
Hammer Time profile image

Oct 20, 2021, 3:44 AM

Post #4 of 5 (152 views)
Re: 2008 Civic stutters when under load Sign In

Maybe you need a different code reader then. If this thing is stuttering as bad as you describe and you haven't cleared anything, there should be some evidence of it. Your description sounds like a textbook misfire and the computer should be picking up on that to identify which cylinder.



~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.



bluearc74
User

Oct 20, 2021, 6:49 PM

Post #5 of 5 (114 views)
Re: 2008 Civic stutters when under load Sign In

I've tried different code readers I know work as they pull codes from another vehicle. I think I may change the out they plugs this weekend. I have a it booked into a mechanic shop this weekend that will put their diagnostician tester on it and check it out for me.

Cheers






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