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The Terminator
Engine/Tuning
Car shuts off at high rpm
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<blockquote data-quote="vladSVT" data-source="post: 12132429" data-attributes="member: 96095"><p>Okay little update.</p><p></p><p>IC pumps is fine and working. </p><p></p><p>Tried to datalog the car, and now its showing new symptoms (or maybe not).</p><p></p><p>Car is very hot (drove it around for about 30 minutes + traffic in 90F weather) went out on a freeway and start logging but didnt set the paramaters so I screw it up. Anyway did a pull and around 4800-5000rpm the car sort of had a feeling of "not going anywhere" and A/F was pretty lean and I heard detonation so I quickly let out and didnt try to log it because afraid of the A/F.</p><p></p><p>From this, my guess is the car isn't getting enough fuel so it stumbles/not going anywhere and I hear detonation, so I am going to check the fuel pumps tomorrow to make sure there working, also check the plugs to make sure. </p><p></p><p>Before it would just shut off now its going lean/detonating, so any ideas what it can be? Talked to a few people it seems most say its getting too hot pulling timing and shuts off, but now its going lean instead so could be a fuel related issue, maybe alternator as well but I checked my battery/alt at a store today it checked out good, so I doubt the alternator is not providing enough voltage to the pumps.</p><p></p><p>Are these autoparts store generally pretty accurate as far as alternator voltage goes?</p></blockquote><p></p>
[QUOTE="vladSVT, post: 12132429, member: 96095"] Okay little update. IC pumps is fine and working. Tried to datalog the car, and now its showing new symptoms (or maybe not). Car is very hot (drove it around for about 30 minutes + traffic in 90F weather) went out on a freeway and start logging but didnt set the paramaters so I screw it up. Anyway did a pull and around 4800-5000rpm the car sort of had a feeling of "not going anywhere" and A/F was pretty lean and I heard detonation so I quickly let out and didnt try to log it because afraid of the A/F. From this, my guess is the car isn't getting enough fuel so it stumbles/not going anywhere and I hear detonation, so I am going to check the fuel pumps tomorrow to make sure there working, also check the plugs to make sure. Before it would just shut off now its going lean/detonating, so any ideas what it can be? Talked to a few people it seems most say its getting too hot pulling timing and shuts off, but now its going lean instead so could be a fuel related issue, maybe alternator as well but I checked my battery/alt at a store today it checked out good, so I doubt the alternator is not providing enough voltage to the pumps. Are these autoparts store generally pretty accurate as far as alternator voltage goes? [/QUOTE]
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Car shuts off at high rpm
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