PCM Diagnostics & Tuning HP Tuners | Holley | Diablo

idling problem help

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Old Mar 24, 2008 | 08:23 PM
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Default idling problem help

bought the car last year 1998 ls1 big cam no specs , buddy with hp tuners tuned the car, car ran great . car hasen"t been crunk in three weeks ,so when i get back in the car you have to give it gas to crank then when you rev it up bad dead spot 3000 to about 4500 will not idle but if u unhook the tps and the idle air the car idles like it should it even revs smooth .

if any ideas please help thanks
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Old Mar 24, 2008 | 10:30 PM
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Did the battery die during the 3 weeks?
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Old Mar 25, 2008 | 05:40 PM
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yes it did
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Old Mar 25, 2008 | 07:48 PM
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Sounds like the fueling is way off, and maybe something with spark...
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Old Mar 25, 2008 | 11:09 PM
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thanks I talked to my tuner he is going to check the tune and the air fuel.
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