CAR WILL NOT ACCELARATE AT ALL

  • Tiny
  • David421
  • 2001 HYUNDAI XG300
  • 50,000 MILES

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

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Friday, August 26th, 2011 AT 1:44 PM

3 Replies

  • Tiny
  • Jacobandnickolas
  • EXPERT
  • 68,401 POSTS

Have you checked fuel pump pressure?

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Sunday, September 4th, 2011 AT 11:16 PM
  • Tiny
  • David421
  • MEMBER

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!

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Tuesday, September 6th, 2011 AT 10:19 PM
  • Tiny
  • David421
  • MEMBER

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.

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Thursday, September 29th, 2011 AT 4:08 PM

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