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Why does my engine go up n down rpm’s when I give it gas? D16z6

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Old 12-26-2017, 09:36 PM
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Default Why does my engine go up n down rpm’s when I give it gas? D16z6

hey guys, I’m trying to find out why my car idles up and down when I give it gas. I’m really confused, I checked my iacv and it looked fine and I tightened the fitv and the fixed my idling issue but now it starts a little rough and My rpm’s still go up when I give it a little gas. If I bring the rpms up it goes away but when I get to the certain area it does it still.. I’m really confused on what could be causing this.. it’s a d16z6 in a 96 civic frame. Any help please?
Old 12-27-2017, 05:37 AM
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Default Re: Why does my engine go up n down rpm’s when I give it gas? D16z6

Make sure the throttle cable is not sticking or adjusted too tight. Check your TPS with a voltmeter.
Old 12-27-2017, 02:05 PM
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Default Re: Why does my engine go up n down rpm’s when I give it gas? D16z6

another issue I have is my RPMs don’t show on the gadge and my speedometer does work either. My gas n temp shows fine tho. I bought a new cluster but it was for an auto and it did the same thing...
Old 12-27-2017, 04:30 PM
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Default Re: Why does my engine go up n down rpm’s when I give it gas? D16z6

Checked fuse 15? Checked for ECU codes?
Old 12-28-2017, 09:25 PM
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Default Re: Why does my engine go up n down rpm’s when I give it gas? D16z6

Originally Posted by mk378
Checked fuse 15? Checked for ECU codes?
I haven’t checked fuse 15, and What do you mean by ecu codes? Are you meaning check the error codes?
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