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Check Engine Fault Code No. 0456

Tiny
WELAT
  • MEMBER
  • 2002 ISUZU TROOPER
  • 120,000 MILES
There was check engine, I diagnosed the trooper for 1st time, then deleted the the problem. After 3 days again check engine appear,
I went to electrician, he scanned find fault code no. 0456.

Any help.

Thanks!
Welat
Dubai - UAE
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Wednesday, March 21st, 2012 AT 8:13 AM

1 Reply

Tiny
WRENCHTECH
  • MECHANIC
  • 20,761 POSTS
That code means the gas tank is not sealing tightly. The problem could be as simple as a bad gas cap or could be something elsewhere in the EVAP system not sealing tight. They have a machine that fills the system with smoke to find the leak.
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Wednesday, March 21st, 2012 AT 10:13 AM

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