Car will not accelarate at all

2001 HYUNDAI XG300
50,000 MILES
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DAVID421
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the rpm are at 450 I have all ready replaced the throtel bodt and tbs. I have a reading of .62 on tbs ets and 4.50 on the ecm. I do not know if this is normal or not. Help
Aug 26, 2011 at 1:44 PM
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JACOBANDNICKOLAS
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Have you checked fuel pump pressure?
Sep 4, 2011 at 11:16 PM
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DAVID421
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Yes the pressure was with in specs. It I disconnect the mass air flow sensor it acclerates fine and will idle(it is a liitle fast). I did try a new sensor no luck!
Sep 6, 2011 at 10:19 PM
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DAVID421
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Yes it is at 40lbs at idle. If I leave the maf sensor disconnected it will idle fine and accelerate fine. The idles high when I do this.
Sep 29, 2011 at 4:08 PM