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Engine Specific Tech
96-04 - 4V Specific
Idle issues
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<blockquote data-quote="apsmith49921" data-source="post: 1473233" data-attributes="member: 25109"><p>so it died again on me today. Things I have observed....</p><p>1. only happens at higher speeds above 40mph</p><p>2. voltage gauge drops below its normal range (due to it low idle and almost dying I assume)</p><p>3. it does not die at lower speeds but I can see the idle get a bit low when putting it in neutral to coast to a stop.</p><p>4. It does this even with the heat/ac off at normal operating temp (has died a total of 3 times since I've owned it about 2 months)</p><p></p><p>Its done this a total of 3 times now. I have cleaned the IAC and checked connections. I have technical tapped on the TPS and checked its connection. Also a smoke test was done and no leaks were found. Only modifications I have done are a JLT intake and exhaust. if I remember correctly the dying while moving had not happened before the JLT install but I could be wrong.</p><p>Thinking clean the MAF and check its connection, Change Fuel filter as I'm sure its the 23 yr old original, Clean the TB.</p><p></p><p>I'm pretty certain the AC is causing the surging idle, it idles 100% good with AC off. When its away for the winter ill do a leak test and fix properly, not a huge issue to me at this moment. I can deal with it "bouncing from 800 to 1200 rpms"</p><p></p><p>edit: when i installed the JLT i used the MAF that was sent with it, bought used from a member on another site. I will probably clean and re install my old MAF that came with the car. This one is black plastic housing but the old one was the metal housing.</p></blockquote><p></p>
[QUOTE="apsmith49921, post: 1473233, member: 25109"] so it died again on me today. Things I have observed.... 1. only happens at higher speeds above 40mph 2. voltage gauge drops below its normal range (due to it low idle and almost dying I assume) 3. it does not die at lower speeds but I can see the idle get a bit low when putting it in neutral to coast to a stop. 4. It does this even with the heat/ac off at normal operating temp (has died a total of 3 times since I've owned it about 2 months) Its done this a total of 3 times now. I have cleaned the IAC and checked connections. I have technical tapped on the TPS and checked its connection. Also a smoke test was done and no leaks were found. Only modifications I have done are a JLT intake and exhaust. if I remember correctly the dying while moving had not happened before the JLT install but I could be wrong. Thinking clean the MAF and check its connection, Change Fuel filter as I'm sure its the 23 yr old original, Clean the TB. I'm pretty certain the AC is causing the surging idle, it idles 100% good with AC off. When its away for the winter ill do a leak test and fix properly, not a huge issue to me at this moment. I can deal with it "bouncing from 800 to 1200 rpms" edit: when i installed the JLT i used the MAF that was sent with it, bought used from a member on another site. I will probably clean and re install my old MAF that came with the car. This one is black plastic housing but the old one was the metal housing. [/QUOTE]
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