the check engine light is on for mass air flow

1998 LEXUS GS 400
200,000 MILES
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OGLIKELE
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  • 7 POSTS
I changed engine and now the vsc light is on .......changed mass air flow and code still remains...

In park or nuetral car pulls back at 3000the rpm
Feb 29, 2012 at 2:00 PM
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RASMATAZ
  • ✓Experienced Mechanic
  • 75,988 POSTS
Try disconnecting the battery for 10 mins and see what happens to the VSC light
Feb 29, 2012 at 2:33 PM
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OGLIKELE
  • MEMBER
  • 7 POSTS
Unhooked the battery with no change
Feb 29, 2012 at 2:35 PM
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RASMATAZ
  • ✓Experienced Mechanic
  • 75,988 POSTS
Get an OBD2 scantool or take it to Autozone and have them to try and erase the code-double check all wiring harness and connectors for loose and damages
Feb 29, 2012 at 2:38 PM
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OGLIKELE
  • MEMBER
  • 7 POSTS
I put my scanner on it and tried clearing codes but they come right back
Feb 29, 2012 at 2:43 PM
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RASMATAZ
  • ✓Experienced Mechanic
  • 75,988 POSTS
What is the exact code you getting?
Feb 29, 2012 at 2:46 PM
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OGLIKELE
  • MEMBER
  • 7 POSTS
I put my scanner on it and tried clearing codes but they come right back p0100 mass air
Feb 29, 2012 at 2:51 PM
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RASMATAZ
  • ✓Experienced Mechanic
  • 75,988 POSTS
Check the wiring of the MAF sensor back to the computer for short and open circuit
Feb 29, 2012 at 3:00 PM
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OGLIKELE
  • MEMBER
  • 7 POSTS
What about vsc
Feb 29, 2012 at 3:01 PM
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RASMATAZ
  • ✓Experienced Mechanic
  • 75,988 POSTS
Have the vehicle stability control system further checked
Feb 29, 2012 at 3:12 PM
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