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SVTPerformance's Chain of Restaurants
A Taste of Home
Mid-Atlantic Cobra Association
Hanging Idle Help! Out of Ideas
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<blockquote data-quote="blksvtCOBRA714" data-source="post: 11737176" data-attributes="member: 70249"><p>Basically I am having issue with my idle hanging anywhere from 1500 to 1250 or so and it fluctuates sometimes in that range. This all started happening after I blew my FRPS. I've researched and tried most options just looking for anymore feedback.</p><p></p><p>Before the incident, my idle was find and sat around 850. Now it wont settle past 1200 most of the time. I know its not tune related because my car was running fine before the FRPS went up. This happened about a week ago and aside from the idle itself, I have no driveability issues.</p><p></p><p>Here's what I've already tried.</p><p>Replaced the FRPS twice.</p><p>Cleaned MAF sensor</p><p>Cleaned throttle body</p><p>Cleaned IAC sensor</p><p>Checked for vacuum leaks visually and w/ carb cleaner</p><p>Adjusted my Throttle position but no change at all.</p><p>Changed the plugs</p><p>Changed oil</p><p>Changed to new battery</p><p></p><p>Car still ran after unplugging the IAC valve, MAF, and TPS sensor independently.</p><p></p><p>I'm leaning towards a vacuum leak because on my boost gauge my vacuum is reading b/t 14-15 where I could of sworn it was closer to 18.</p><p></p><p>I tried the carb trick but still no luck. I pulled some datalog to see if some of my stuff compared to others is off.</p><p></p><p>Vpwr 13.5</p><p>ect 186</p><p>rpmsd 800.00</p><p>fpdc 0.17-0.18</p><p>iacdu 0.524</p><p>frp 40.000</p><p>iat 106</p><p>load 0.240</p><p>longft 0.810</p><p>longft 0.790</p><p>mafct210</p><p>rpm 1500</p><p>shrtft 1.000</p><p>spark 35.000</p><p>tp-v 170.00</p><p></p><p>This is all at idle and at this point my boost gauge was showing a vacuum just shy of 16 psi</p><p></p><p></p><p>Any ideas? This has me extremely frustrated at this point.</p></blockquote><p></p>
[QUOTE="blksvtCOBRA714, post: 11737176, member: 70249"] Basically I am having issue with my idle hanging anywhere from 1500 to 1250 or so and it fluctuates sometimes in that range. This all started happening after I blew my FRPS. I've researched and tried most options just looking for anymore feedback. Before the incident, my idle was find and sat around 850. Now it wont settle past 1200 most of the time. I know its not tune related because my car was running fine before the FRPS went up. This happened about a week ago and aside from the idle itself, I have no driveability issues. Here's what I've already tried. Replaced the FRPS twice. Cleaned MAF sensor Cleaned throttle body Cleaned IAC sensor Checked for vacuum leaks visually and w/ carb cleaner Adjusted my Throttle position but no change at all. Changed the plugs Changed oil Changed to new battery Car still ran after unplugging the IAC valve, MAF, and TPS sensor independently. I'm leaning towards a vacuum leak because on my boost gauge my vacuum is reading b/t 14-15 where I could of sworn it was closer to 18. I tried the carb trick but still no luck. I pulled some datalog to see if some of my stuff compared to others is off. Vpwr 13.5 ect 186 rpmsd 800.00 fpdc 0.17-0.18 iacdu 0.524 frp 40.000 iat 106 load 0.240 longft 0.810 longft 0.790 mafct210 rpm 1500 shrtft 1.000 spark 35.000 tp-v 170.00 This is all at idle and at this point my boost gauge was showing a vacuum just shy of 16 psi Any ideas? This has me extremely frustrated at this point. [/QUOTE]
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SVTPerformance's Chain of Restaurants
A Taste of Home
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Hanging Idle Help! Out of Ideas
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