weird hesitation at 2000 rpm in 98 EK
02-01-2008, 04:11 PM
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weird hesitation at 2000 rpm in 98 EK
I just got the head shaved for a 98 EK coupe (SOHC VTEC D16Y8) and it runs nice besides the incessant ding ding ding (the enigne seems to pulse or surge at about 2000 rpm when cruising or at a stop. But once you Does anyone know what is causing that? i AM THINKGH THAT IT MAY BE BEACUSE OF THE NON- VTEC ECU LOOKING FOTR THAT 3 WIRE iac.
Modified by lugnutRS at 1:25 AM 2/2/2008
Modified by lugnutRS at 1:25 AM 2/2/2008
02-01-2008, 04:16 PM
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Re: weird hesitation at 2000 rpm in 98 EK (lugnutRS)
vacume leak maybe? check all vacume sources first
Also is the car throwing any codes? and what motor is in the car?
Also is the car throwing any codes? and what motor is in the car?
02-01-2008, 04:19 PM
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Vaccuum leak and IACv. Make sure your FITv is working properly, as well as your IACv. A funky iacv, although read as working by the ecu (No CEL) can sometimes cause strange occurances as such, making it feel like a 2-step at around 2000rpm.
02-02-2008, 01:38 PM
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Re: (lugnutRS)
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by lugnutRS »</TD></TR><TR><TD CLASS="quote">that excatly it. sound like a 2 step. I think its that ecu though.</TD></TR></TABLE>
Its not the ECU, trust me.
I solved it by fixing my FITv. What was happening was that it was leaking air in when it wasnt supposed to ( stuck in open position) causing a vacuum leak, causing it to not respond right under 2000 RPM, and gave me this 2-step type of stutter if i tried to hold it at 2k or lower RPMs. Also, make sure your IACv is functioning properly, that can also be caused by one that is acting up.
Its not the ECU, trust me.
I solved it by fixing my FITv. What was happening was that it was leaking air in when it wasnt supposed to ( stuck in open position) causing a vacuum leak, causing it to not respond right under 2000 RPM, and gave me this 2-step type of stutter if i tried to hold it at 2k or lower RPMs. Also, make sure your IACv is functioning properly, that can also be caused by one that is acting up.
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