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Slight sputter under backpressure?

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Old 07-16-2009, 07:40 AM
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Default Slight sputter under backpressure?

- EJ6 Civic
- JDM ITR
- New Dizzy Cap, New Rotor, New Plugs

When driving if i am under any throttle pressure you never feel anything, but if i am off of the gas and slowing down without using the brake, it kind of hiccups....just enough to feel it. Its not constant, and it doesnt happen ALL the time. But it is frequent.

any ideas of what this could be?

Thanks in Advance....

Dc2
Old 07-16-2009, 10:24 AM
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Default Re: Slight sputter under backpressure?

nobody?
Old 07-16-2009, 11:37 AM
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Default Re: Slight sputter under backpressure?

This happens when your off the clutch/gas/brake or when downshifting.
Old 07-16-2009, 12:50 PM
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Default Re: Slight sputter under backpressure?

when i am coasting in gear.

no gas, no brake, no clutch.....

side note: your from Rancho?!! My boy lives out there, ive been out twice to see him!
Old 07-16-2009, 01:52 PM
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Default Re: Slight sputter under backpressure?

Have you check your cat?
Is there any problems when at full throttle? Does it bog there?
Yeah I live here right by Rchs.
Old 07-17-2009, 12:28 PM
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Default Re: Slight sputter under backpressure?

i have a test pipe installed....no probs at WOT...
Old 07-20-2009, 12:19 PM
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Default Re: Slight sputter under backpressure?

it seems my P28 that i was running was the culprit...

i it has a chip in it, but not specific for this JDM ITR....one day soon im going to get that baby tuned...
Old 11-12-2009, 05:39 AM
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Default Re: Slight sputter under backpressure?

it has gotten worse since i made this original post, the other night my throttle was all over the place. i put it in neutral cause it felt weird and my RPM's went to 4k then down to 3 then up to 3500 then down to 1000 then up again.....then when i was in gear just cruising it felt like it was still pulling me forward while sitting around 2300 rpm....as soon as i put my foot on the clutch the RPM's shot up to around 3500 again....

i found out that when this motor was first installed from dealer it came with a broken TPS, so one was grabbed off of a another motor for quick/easy replacement....i believe it has now seen its better day...


same problems occured with P28...seems faulty TPS may be causing the problem...new TPS ordered and hopefully issue will be resolved.....TPS should be here on Wednesday, ill let you guys know if it helps the problem...
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